Through-Hole Buffer Amplifiers 121

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Part	Manufacturer	Amplifier Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Maximum Negative Supply Voltage Limit	Maximum Input Offset Voltage	Maximum Average Bias Current (IIB)	Surface Mount	No. of Functions	Technology	Screening Level	Maximum Supply Current	Nominal Negative Supply Voltage (Vsup)	Packing Method	Nominal Supply Voltage / Vsup (V)	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Minimum Slew Rate	Sub-Category	Nominal Slow Rate	Maximum Supply Voltage Limit	Terminal Pitch	Maximum Operating Temperature	Maximum Bias Current (IIB) @25C	Minimum Operating Temperature	Terminal Finish	Terminal Position	JESD-30 Code	Moisture Sensitivity Level (MSL)	Maximum Seated Height	Width	Qualification	Minimum Output Current	Nominal Bandwidth (3dB)	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length
BUF634P	Texas Instruments	Buffer	Automotive	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy	-18 V	100 mV	20 uA	No	1	Bipolar		20 mA	-15 V	Tube	15 V	±15 V	In-Line	DIP8,.3		Buffer Amplifiers	2000 V/us	18 V	0.1 in (2.54 mm)	125 °C (257 °F)	20 uA	-40 °C (-40 °F)	Nickel PalladiumGold	Dual	R-PDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No		180 MHz	e4			0.378 in (9.59 mm)
BUF634T	Texas Instruments	Buffer	Automotive	Through-Hole	5	TO-220	Rectangular	Plastic/Epoxy	-18 V	100 mV	20 uA	No	1	Bipolar		20 mA	-15 V	Tube	15 V	±15 V	Flange Mount	SIP5,.1,67TB		Buffer Amplifiers	2000 V/us	18 V	0.067 in (1.7 mm)	125 °C (257 °F)	20 uA	-40 °C (-40 °F)	Matte Tin	Single	R-PSFM-T5				No		180 MHz	e3
BUF634PG4	Texas Instruments	Buffer	Automotive	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy	-18 V	100 mV	20 uA	No	1	Bipolar		20 mA	-15 V	Tube	15 V	±15 V	In-Line	DIP8,.3		Buffer Amplifiers	2000 V/us	18 V	0.1 in (2.54 mm)	125 °C (257 °F)	20 uA	-40 °C (-40 °F)	Nickel PalladiumGold	Dual	R-PDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No		180 MHz	e4			0.386 in (9.81 mm)
BUF634TG3	Texas Instruments	Buffer	Automotive	Through-Hole	5	SFM	Rectangular		-18 V	100 mV	20 uA	No	1	Bipolar		20 mA	-15 V	Tube	15 V	±15 V	Flange Mount	SIP5,.1,67TB		Buffer Amplifiers	2000 V/us	18 V	0.067 in (1.7 mm)	125 °C (257 °F)	20 uA	-40 °C (-40 °F)	Matte Tin	Single	R-XSFM-T5				No		180 MHz	e3
OPA633KPG4	Texas Instruments	Buffer	Other	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy	-20 V	25 mV	50 uA	No	1	Bipolar		30 mA	-12 V	Tube	12 V	±12 V	In-Line	DIP8,.3	1000 V/us	Buffer Amplifiers	2500 V/us	20 V	0.1 in (2.54 mm)	85 °C (185 °F)	35 uA	-25 °C (-13 °F)	Nickel PalladiumGold	Dual	R-PDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No	80 mA	260 MHz	e4			0.386 in (9.81 mm)
EL2008CT	Intersil	Buffer	Commercial Extended	Through-Hole	5	ZIP	Rectangular	Plastic/Epoxy	-18 V	50 mV		No	1	Bipolar		26 mA	-15 V		15 V	±15 V	Flange Mount	ZIP5,.15,.2,67TB		Buffer Amplifiers	1500 V/us	18 V	0.067 in (1.7 mm)	75 °C (167 °F)	35 uA	0 °C (32 °F)	Tin/Lead	Single	R-PSFM-T5				No	1 A	55 MHz	e0
P82B715PN	NXP Semiconductors	Buffer	Industrial	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy				No	1	Bipolar					5 V		In-Line	DIP8,.3				12 V	0.1 in (2.54 mm)	85 °C (185 °F)		-40 °C (-40 °F)	Nickel PalladiumGold	Dual	R-PDIP-T8		0.165 in (4.2 mm)	0.3 in (7.62 mm)							0.374 in (9.5 mm)
OPA633KP	Texas Instruments	Buffer	Other	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy	-20 V	25 mV	50 uA	No	1	Bipolar		30 mA	-12 V	Tube	12 V	±12 V	In-Line	DIP8,.3	1000 V/us	Buffer Amplifiers	2500 V/us	20 V	0.1 in (2.54 mm)	85 °C (185 °F)	35 uA	-25 °C (-13 °F)	Nickel PalladiumGold	Dual	R-PDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No	80 mA	260 MHz	e4			0.386 in (9.81 mm)
HA3-5002-5Z	Intersil	Buffer	Commercial Extended	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy	-22 V	30 mV	10 uA	No	1	Bipolar		10 mA	-12 V		12 V	±12/±15 V	In-Line	DIP8,.3	1 V/us	Buffer Amplifiers	1300 V/us	22 V	0.1 in (2.54 mm)	75 °C (167 °F)	10 uA	0 °C (32 °F)	Matte Tin	Dual	R-PDIP-T8		0.21 in (5.33 mm)	0.3 in (7.62 mm)	No		110 MHz	e3	10 s	260 °C (500 °F)	0.377 in (9.585 mm)
P82B715PN,112	NXP Semiconductors	Buffer	Industrial	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy				No	1	Bipolar					5 V		In-Line	DIP8,.3				12 V	0.1 in (2.54 mm)	85 °C (185 °F)		-40 °C (-40 °F)	Nickel PalladiumGold	Dual	R-PDIP-T8		0.165 in (4.2 mm)	0.3 in (7.62 mm)							0.374 in (9.5 mm)
LT1010CT#PBF	Analog Devices	Buffer	Other	Through-Hole	5		Rectangular	Plastic/Epoxy	-22 V		800 uA	No	1	Bipolar		10 mA	-10 V		10 V		Flange Mount	ZIP5,.15,.17,67TB	75 V/us	Buffer Amplifiers		22 V		100 °C (212 °F)	500 uA	0 °C (32 °F)	Matte Tin Over Nickel	Zig-Zag	R-PZFM-T5	1			No			e3
LT1010CT#06PBF	Linear Technology	Buffer	Other	Through-Hole	5		Rectangular	Plastic/Epoxy	-22 V	100 mV	800 uA	No	1	Bipolar			-15 V		15 V		Flange Mount		75 V/us			22 V		125 °C (257 °F)		0 °C (32 °F)	Matte Tin Over Nickel	Zig-Zag	R-PZFM-T5	1			No			e3	30 s	260 °C (500 °F)
ADLH0033CG	Analog Devices	Buffer	Other	Through-Hole	12	QIP	Square	Metal		25 mV		No	1	Hybrid		25 mA	-15 V		15 V	±15 V	In-Line	QUAD12,.4SQ	1000 V/us	Buffer Amplifiers			0.1 in (2.54 mm)	85 °C (185 °F)	5 nA	-25 °C (-13 °F)	Tin/Lead	Quad	S-MQIP-T12				No		100 MHz	e0
LH0033CJ	National Semiconductor	Buffer	Other	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy	-20 V	25 mV	5 nA	No	1	FET		24 mA	-15 V		15 V	±15 V	In-Line	DIP8,.9	2000 V/us	Buffer Amplifiers	2400 V/us	20 V	0.1 in (2.54 mm)	85 °C (185 °F)	5 nA	-25 °C (-13 °F)	Tin Lead	Dual	R-XDIP-T8		0.244 in (6.1976 mm)	0.9 in (22.86 mm)	No		200 MHz	e0			0.49 in (12.446 mm)
LH0033J	National Semiconductor	Buffer	Military	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy	-20 V	15 mV	2.5 nA	No	1	FET		22 mA	-15 V		15 V	±15 V	In-Line	DIP8,.9	2000 V/us	Buffer Amplifiers	2400 V/us	20 V	0.1 in (2.54 mm)	125 °C (257 °F)	2.5 nA	-55 °C (-67 °F)	Tin Lead	Dual	R-XDIP-T8		0.244 in (6.1976 mm)	0.9 in (22.86 mm)	No		200 MHz	e0			0.49 in (12.446 mm)
LT1010CN8#PBF	Analog Devices	Buffer	Other	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy	-22 V		800 uA	No	1	Bipolar		10 mA	-10 V		10 V		In-Line	DIP8,.3	75 V/us	Buffer Amplifiers		22 V	0.1 in (2.54 mm)	100 °C (212 °F)	500 uA	0 °C (32 °F)	Matte Tin	Dual	R-PDIP-T8	1	0.155 in (3.937 mm)	0.3 in (7.62 mm)	No			e3	30 s	260 °C (500 °F)	0.4 in (10.16 mm)
HA3-5002-5	Intersil	Buffer	Commercial Extended	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy	-22 V	30 mV	10 uA	No	1	Bipolar		10 mA	-12 V		12 V	±12/±15 V	In-Line	DIP8,.3	1000 V/us	Buffer Amplifiers	1300 V/us	22 V	0.1 in (2.54 mm)	75 °C (167 °F)	7 uA	0 °C (32 °F)	Tin Lead	Dual	R-PDIP-T8		0.21 in (5.33 mm)	0.3 in (7.62 mm)	No		110 MHz	e0			0.377 in (9.585 mm)
5962-8963601PA	Renesas Electronics	Buffer	Military	Through-Hole	8	DIP	Rectangular	Ceramic, Glass-Sealed	-22 V	20 mV	7 uA	No	1	Bipolar			-15 V	Tube	15 V		In-Line			Buffer Amplifiers	1300 V/us	22 V	0.1 in (2.54 mm)	125 °C (257 °F)		-55 °C (-67 °F)	Tin Lead	Dual	R-GDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)	Yes	100 mA		e0
HA7-5002/883	Intersil	Buffer	Military	Through-Hole	8	DIP	Rectangular	Ceramic, Glass-Sealed	-22 V	20 mV	7 uA	No	1	Bipolar	MIL-STD-883	10 mA	-12 V		12 V	±12/±15 V	In-Line	DIP8,.3	1000 V/us	Buffer Amplifiers	1300 V/us	22 V	0.1 in (2.54 mm)	125 °C (257 °F)	7 uA	-55 °C (-67 °F)	Tin Lead	Dual	R-GDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No	100 mA	110 MHz	e0
LM310JGP4	Texas Instruments	Buffer	Commercial	Through-Hole	8	DIP	Rectangular	Ceramic				No	1				-15 V		15 V	±15 V	In-Line	DIP8,.3		Buffer Amplifiers			0.1 in (2.54 mm)	70 °C (158 °F)		0 °C (32 °F)		Dual	R-XDIP-T8
LM310P	Texas Instruments	Buffer	Commercial	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy				No	1				-15 V		15 V	±15 V	In-Line	DIP8,.3		Buffer Amplifiers			0.1 in (2.54 mm)	70 °C (158 °F)		0 °C (32 °F)		Dual	R-PDIP-T8				No
LM210JG	Texas Instruments	Buffer	Other	Through-Hole	8	DIP	Rectangular	Ceramic				No	1				-15 V		15 V	±15 V	In-Line	DIP8,.3		Buffer Amplifiers			0.1 in (2.54 mm)	85 °C (185 °F)		-25 °C (-13 °F)		Dual	R-XDIP-T8				No
LM6225N	Texas Instruments	Buffer	Industrial	Through-Hole	14	DIP	Rectangular	Plastic/Epoxy	-18 V	60 mV	7 uA	No	1								In-Line			Buffer Amplifiers	50 V/us	18 V	0.1 in (2.54 mm)	85 °C (185 °F)		-40 °C (-40 °F)		Dual	R-PDIP-T14		0.2 in (5.08 mm)	0.3 in (7.62 mm)			50 MHz				0.755 in (19.18 mm)
LM210P	Texas Instruments	Buffer	Other	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy				No	1				-15 V		15 V	±15 V	In-Line	DIP8,.3		Buffer Amplifiers			0.1 in (2.54 mm)	85 °C (185 °F)		-25 °C (-13 °F)		Dual	R-PDIP-T8				No
LM110JG	Texas Instruments	Buffer	Military	Through-Hole	8	DIP	Rectangular	Ceramic				No	1				-15 V		15 V	±15 V	In-Line	DIP8,.3		Buffer Amplifiers			0.1 in (2.54 mm)	125 °C (257 °F)		-55 °C (-67 °F)		Dual	R-XDIP-T8				No
CLC110AJP	Texas Instruments	Buffer	Industrial	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy	-7 V	8 mV	50 uA	No	1	Bipolar		20 mA	-5 V		5 V	±5 V	In-Line	DIP8,.3	500 V/us	Buffer Amplifiers	800 V/us	7 V	0.1 in (2.54 mm)	85 °C (185 °F)	50 uA	-40 °C (-40 °F)	Tin/Lead	Dual	R-PDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No	50 mA	90 MHz	e0			0.386 in (9.817 mm)
LM310JG	Texas Instruments	Buffer	Commercial	Through-Hole	8	DIP	Rectangular	Ceramic				No	1				-15 V		15 V	±15 V	In-Line	DIP8,.3		Buffer Amplifiers			0.1 in (2.54 mm)	70 °C (158 °F)		0 °C (32 °F)		Dual	R-XDIP-T8				No
CLC5612IN	Texas Instruments	Buffer		Through-Hole	8	DIP	Rectangular	Plastic/Epoxy	-7 V		17 uA	No	2	Bipolar		4 mA	-5 V		5 V		In-Line	DIP8,.3	200 V/us	Buffer Amplifiers	290 V/us	7 V	0.1 in (2.54 mm)	85 °C (185 °F)	17 uA	-40 °C (-40 °F)		Dual	R-PDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)		50 mA	49 MHz				0.386 in (9.817 mm)
OPA682P	Texas Instruments	Buffer	Industrial	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy	-6.5 V	7.5 mV		No	1	Bipolar		6.6 mA	-5 V		5 V	±5 V	In-Line	DIP8,.3	570 V/us	Buffer Amplifiers	2100 V/us	6.5 V	0.1 in (2.54 mm)	85 °C (185 °F)		-40 °C (-40 °F)		Dual	R-PDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No	80 mA	220 MHz				0.386 in (9.81 mm)
LM6321N	Texas Instruments	Buffer	Commercial	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy	-18 V	100 mV	7 uA	No	1				-15 V		15 V		In-Line			Buffer Amplifiers	800 V/us	18 V	0.1 in (2.54 mm)	70 °C (158 °F)		0 °C (32 °F)		Dual	R-PDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)			50 MHz				0.386 in (9.817 mm)
LM6325N	Texas Instruments	Buffer	Commercial	Through-Hole	14	DIP	Rectangular	Plastic/Epoxy	-18 V	100 mV	7 uA	No	1								In-Line			Buffer Amplifiers	50 V/us	18 V	0.1 in (2.54 mm)	70 °C (158 °F)		0 °C (32 °F)		Dual	R-PDIP-T14		0.2 in (5.08 mm)	0.3 in (7.62 mm)			50 MHz				0.755 in (19.18 mm)
CLC115AJP	Texas Instruments	Buffer	Industrial	Through-Hole	14	DIP	Rectangular	Plastic/Epoxy	-7 V		20 uA	No	4			61 mA	-5 V		5 V		In-Line	DIP14,.3	2200 V/us	Buffer Amplifiers	2700 V/us	7 V	0.1 in (2.54 mm)	85 °C (185 °F)	20 uA	-40 °C (-40 °F)		Dual	R-PDIP-T14			0.3 in (7.62 mm)		48 A	700 MHz				0.72 in (18.288 mm)
BUF600AP	Texas Instruments	Buffer	Industrial	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy	-6 V	30 mV	5 uA	No	1	Bipolar			-5 V		5 V		In-Line			Buffer Amplifiers	3400 V/us	6 V	0.1 in (2.54 mm)	85 °C (185 °F)		-40 °C (-40 °F)		Dual	R-PDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)	No		320 MHz				0.378 in (9.59 mm)
LM6121J/883	Texas Instruments	Buffer		Through-Hole	8	DIP	Rectangular	Ceramic, Glass-Sealed	-18 V	50 mV	7 uA	No	1		MIL-STD-883		-15 V		15 V		In-Line			Buffer Amplifiers	800 V/us	18 V	0.1 in (2.54 mm)					Dual	R-GDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)			50 MHz				0.4 in (10.16 mm)
LM310P1	Texas Instruments	Buffer	Commercial	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy				No	1				-15 V		15 V	±15 V	In-Line	DIP8,.3		Buffer Amplifiers			0.1 in (2.54 mm)	70 °C (158 °F)		0 °C (32 °F)		Dual	R-PDIP-T8				No
LM310PP1	Texas Instruments	Buffer	Commercial	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy				No	1				-15 V		15 V	±15 V	In-Line	DIP8,.3		Buffer Amplifiers			0.1 in (2.54 mm)	70 °C (158 °F)		0 °C (32 °F)		Dual	R-PDIP-T8				No
LM6221N	Texas Instruments	Buffer	Industrial	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy	-18 V	60 mV	7 uA	No	1				-15 V		15 V		In-Line			Buffer Amplifiers	800 V/us	18 V	0.1 in (2.54 mm)	85 °C (185 °F)		-40 °C (-40 °F)		Dual	R-PDIP-T8		0.2 in (5.08 mm)	0.3 in (7.62 mm)			50 MHz				0.386 in (9.817 mm)
CLC453AJP	Texas Instruments	Buffer		Through-Hole	8		Rectangular	Plastic/Epoxy	-7 V		25 uA	No	1	Bipolar		4 mA	-5 V		5 V				300 V/us	Buffer Amplifiers	460 V/us	7 V		85 °C (185 °F)	25 uA	-40 °C (-40 °F)		Dual	R-PDIP-T8					50 mA	70 MHz
LM310P3	Texas Instruments	Buffer	Commercial	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy				No	1				-15 V		15 V	±15 V	In-Line	DIP8,.3		Buffer Amplifiers			0.1 in (2.54 mm)	70 °C (158 °F)		0 °C (32 °F)		Dual	R-PDIP-T8
LM310PP3	Texas Instruments	Buffer	Commercial	Through-Hole	8	DIP	Rectangular	Plastic/Epoxy				No	1				-15 V		15 V	±15 V	In-Line	DIP8,.3		Buffer Amplifiers			0.1 in (2.54 mm)	70 °C (158 °F)		0 °C (32 °F)		Dual	R-PDIP-T8
LM110JG/883B	Texas Instruments	Buffer	Military	Through-Hole	8	DIP	Rectangular	Ceramic				No	1		MIL-STD-883 Class B (Modified)		-15 V		15 V	±15 V	In-Line	DIP8,.3		Buffer Amplifiers			0.1 in (2.54 mm)	125 °C (257 °F)		-55 °C (-67 °F)		Dual	R-XDIP-T8				No
LM310JG4	Texas Instruments	Buffer	Commercial	Through-Hole	8	DIP	Rectangular	Ceramic				No	1				-15 V		15 V	±15 V	In-Line	DIP8,.3		Buffer Amplifiers			0.1 in (2.54 mm)	70 °C (158 °F)		0 °C (32 °F)		Dual	R-XDIP-T8
CLC109AJP	Texas Instruments	Buffer		Through-Hole	8		Rectangular	Plastic/Epoxy	-7 V		4 uA	No	1	Bipolar		4 mA	-5 V		5 V				250 V/us	Buffer Amplifiers	350 V/us	7 V		85 °C (185 °F)	4 uA	-40 °C (-40 °F)		Dual	R-PDIP-T8					40 mA
CLC417AJP	Texas Instruments	Buffer		Through-Hole	8		Rectangular	Plastic/Epoxy	-7 V	8 mV		No	2			9.8 mA	-5 V		5 V				250 V/us	Buffer Amplifiers	400 V/us	7 V		85 °C (185 °F)		-40 °C (-40 °F)		Dual	R-PDIP-T8					20 mA	52 MHz
AD9630SQ	Analog Devices	Buffer	Military	Through-Hole	8	DIP	Rectangular	Ceramic		8 mV		No	1	Bipolar		26 mA	-5 V		5 V	±5 V	In-Line	DIP8,.3	800 V/us	Buffer Amplifiers			0.1 in (2.54 mm)	125 °C (257 °F)	25 uA	-55 °C (-67 °F)	Tin/Lead	Dual	R-XDIP-T8				No		550 MHz	e0
HOS200SH	Analog Devices	Buffer	Military	Through-Hole	12	QIP	Square	Metal		18 mV		No	1	Hybrid		20 mA	-5 V		5 V	±5 V	In-Line	QUAD12,.4SQ	1000 V/us	Buffer Amplifiers			0.1 in (2.54 mm)	125 °C (257 °F)	20 uA	-55 °C (-67 °F)	Tin/Lead	Quad	S-MQIP-T12				No		200 MHz	e0
ADLH0033G	Analog Devices	Buffer	Military	Through-Hole	12	QIP	Square	Metal		15 mV		No	1	Hybrid		25 mA	-15 V		15 V	±15 V	In-Line	QUAD12,.4SQ	1000 V/us	Buffer Amplifiers			0.1 in (2.54 mm)	125 °C (257 °F)	150 pA	-55 °C (-67 °F)	Tin/Lead	Quad	S-MQIP-T12				No		100 MHz	e0
HOS-100SHB	Analog Devices	Buffer	Military	Through-Hole	12	QIP	Square	Metal		25 mV		No	1	Hybrid	MIL-STD-883 Class B (Modified)	16 mA	-15 V		15 V	±15 V	In-Line	QUAD12,.4SQ	1000 V/us	Buffer Amplifiers			0.1 in (2.54 mm)	125 °C (257 °F)	20 uA	-55 °C (-67 °F)	Tin/Lead	Quad	S-MQIP-T12				No		125 MHz	e0

Buffer Amplifiers

Buffer amplifiers are electronic circuits that are designed to provide a high input impedance and a low output impedance. They are used to isolate one part of a circuit from another, preventing changes in one part of the circuit from affecting the other.

The primary function of a buffer amplifier is to prevent loading effects, which occur when a device with a low input impedance is connected to a device with a high output impedance. In this scenario, the high output impedance of the first device may cause a decrease in signal strength or distortion in the second device.

By using a buffer amplifier, the high output impedance of the first device is isolated from the second device, ensuring that the signal is transferred with minimal distortion. The buffer amplifier acts as a bridge between the two devices, allowing them to operate independently.

Buffer amplifiers are commonly used in audio applications, such as preamplifiers, where they can be used to isolate a sensitive input signal from a power amplifier that requires a low impedance input. They are also used in other applications, such as instrumentation, signal conditioning, and data acquisition, where signal integrity is critical.