Datasheet Linear Technology LTC6800 — 数据表

制造商	Linear Technology
系列	LTC6800

轨至轨，输入和输出，仪表放大器

数据表

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PDF, 1.4 Mb, 语言: en, 文件上传: Aug 6, 2017, 页数: 14
Rail-to-Rail, Input and Output, Instrumentation Amplifier

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	LTC6800HDD#PBF	LTC6800HDD#TRPBF	LTC6800HMS8#PBF	LTC6800HMS8#TRPBF
N	1	2	3	4
Package	3x3 DFN-8 包装外形图	3x3 DFN-8 包装外形图	MS-8 包装外形图	MS-8 包装外形图
Package Code	DD	DD	MS8	MS8
Package Index	05-08-1698	05-08-1698	05-08-1660	05-08-1660
Pin Count	8	8	8	8

参数化

Parameters / Models	LTC6800HDD#PBF	LTC6800HDD#TRPBF	LTC6800HMS8#PBF	LTC6800HMS8#TRPBF
Common Mode Rejection Ratio, dB	113	113	113	113
Number of Channels	1	1	1	1
Cload, pF	30	30	30	30
Enoise Density, nV/rtHz	50	50	50	50
Export Control	no	no	no	no
GBW, MHz	0.2	0.2	0.2	0.2
Gain, V/V	Resistor Set	Resistor Set	Resistor Set	Resistor Set
Gain Accuracy, %	0.1	0.1	0.1	0.1
Ibias, nA	4	4	4	4
Ios, µA	0.001	0.001	0.001	0.001
Iout, mA	10	10	10	10
Isupply, mA	0.95	0.95	0.95	0.95
LF Enoise, µVPP	2.5	2.5	2.5	2.5
Operating Temperature Range, °C	-40 to 125	-40 to 125	-40 to 125	-40 to 125
PSRR, dB	116	116	116	116
Rail-to-Rail In	yes	yes	yes	yes
Rail-to-Rail Out	yes	yes	yes	yes
SR, V/µs	0.2	0.2	0.2	0.2
Shutdown	no	no	no	no
Single Supply	yes	yes	yes	yes
Type	ZD, IA	ZD, IA	ZD, IA	ZD, IA
Voh (from V+), V	0.02	0.02	0.02	0.02
Vol (from V-), V	0.02	0.02	0.02	0.02
Vos, µV	100	100	100	100
Vos TC, µV/C	0.1	0.1	0.1	0.1
Vs Max, V	5.5	5.5	5.5	5.5
Vs Min, V	2.7	2.7	2.7	2.7

生态计划

	LTC6800HDD#PBF	LTC6800HDD#TRPBF	LTC6800HMS8#PBF	LTC6800HMS8#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant

设计须知

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New Instrumentation Amplifiers Maximize Output Swing on Low Voltage Supplies &mdash DN323
PDF, 83 Kb, 档案已发布: Oct 2, 2003
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New Instrumentation Amplifiers Maximize Output Swing
on Low Voltage Supplies вЂ“ Design Note 323
Glen Brisebois
INTRODUCTION
Instrumentation ampliп¬Ѓers suffer from a chronic output
swing problem, even when the input common mode
range and output voltage swing speciп¬Ѓcations are not
violated. This is because the п¬Ѓrst stage of an instrumentation ampliп¬Ѓer has internal output voltages that can
clip at unspeciп¬Ѓed levels. The clipping itself is invisible
to the user, but it affects the output swing adversely,
usually causing a gain reduction and thus an invalid
result. The new LTC В®6800 and LTВ®1789-10 both solve
this output swing problem, but in two extremely different ways. The LTC6800 incorporates a п¬‚ying capacitor
differential level shifter followed by a rail-to-rail output
autozero ampliп¬Ѓer. The LT1789-10 is a more classical
three op amp instrumentation ampliп¬Ѓer with the twist
that it takes gain in the п¬Ѓnal stage.
A CLEARER PICTURE OF THE PROBLEM
Figure 1 shows the classical three op amp instrumentation ampliп¬Ѓer (IA) topology. Assume that the op amps
involved can common mode to VS вЂ“ and have rail-to-rail
output stages. This would normally mean that the inputs
can be anywhere from VS вЂ“ to about a volt from VS+ and
that the output can be anywhere within the supply rails. …

模型线

系列: LTC6800 (4)

LTC6800HDD#PBF LTC6800HDD#TRPBF LTC6800HMS8#PBF LTC6800HMS8#TRPBF

制造商分类

Signal Conditioning > Amplifiers > Instrumentation Amplifiers
Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Amplifiers