LT1101 Precision, Micropower, Single Supply Instrumentation Amplifier (Fixed Gain = 10 or 100)

The LT™1101 establishes the following milestones: (1) It is the first micropower instrumentation amplifier, (2) It is the first single supply instrumentation amplifier, (3) It is the first instrumentation amplifier to feature fixed gains of 10 and/or 100 in low cost, space-saving 8-lead packages.

The LT1101 is completely self-contained: no external gain setting resistor is required. The LT1101 combines its micropower operation (75µA supply current) with again error of 0.008%, gain linearity of 3ppm, gain drift of 1ppm/°C. The output is guaranteed to drive a 2k load to �10V with excellent gain accuracy.

Other precision specifications are also outstanding: 50µV input offset voltage, 130pA input offset current, and low drift (0.4µV/°C and 0.7pA/°C). In addition, unlike other instrumentation amplifiers, there is no output offset voltage contribution to total error.

A full set of specifications are provided with ±15V dual supplies and for single 5V supply operation. The LT1101 can be operated from a single lithium cell or two Ni-Cad batteries. Battery voltage can drop as low as 1.8V, yet the LT1101 still maintains its gain accuracy. In single supply applications, both input and output voltages swing to within a few millivolts of ground. The output sinks current while swinging to ground�no external, power consuming pull down resistors are needed

产品特点 Features

Gain Error: 0.04% Max
Gain Non-linearity: 0.0008% (8ppm) Max
Gain Drift: 4ppm/°C Max
Supply Current: 105µA Max
Offset Voltage: 160µV Max
Offset Voltage Drift: 0.4µV/°C Typ
Offset Current: 600pA Max
CMRR, G=100: 100dB Min
0.1Hz to 10Hz Noise: 0.9µVp-p: 2.3pAp-p Typ
Gain Bandwidth Product: 250kHz Min
Single or Dual Supply Operation
Surface Mount Package Available

参数

应用

Differential Signal Amplification in Presence of Common-Mode Voltage
Micropower Bridge Transducer Amplifier-Thermocouples-Strain Gauges-Thermistors
Differential Voltage to Current Converter
Transformer Coupled Amplifier
4mA-20mA Bridge Transmitter

典型应用图

LT1101 订购信息和价格参考Package Variations and Pricing

器件型号	封装	引脚	温度	价格 (以 1 ~ 99 片为批量)	价格 (以 1000 片为批量) *
LT1101ACN8	PDIP	8	C	$8.17	$6.60
LT1101ACN8#PBF	PDIP	8	C	$8.17	$6.60
LT1101AIN8	PDIP	8	I	$10.17	$8.35
LT1101AIN8#PBF	PDIP	8	I	$10.17	$8.35
LT1101AMH	METAL CAN	8	M
LT1101AMJ8	CERDIP	8	M		$55.00
LT1101CN8	PDIP	8	C	$5.83	$4.75
LT1101CN8#PBF	PDIP	8	C	$5.83	$4.75
LT1101IN8	PDIP	8	I	$7.25	$5.95
LT1101IN8#PBF	PDIP	8	I	$7.25	$5.95
LT1101ISW	SO	16	I	$8.65	$6.90
LT1101ISW#PBF	SO	16	I	$8.65	$6.90
LT1101ISW#TR	SO	16	I		$6.96
LT1101ISW#TRPBF	SO	16	I		$6.96
LT1101SW	SO	16	C	$7.00	$5.70
LT1101SW#PBF	SO	16	C	$7.00	$5.70
LT1101SW#TR	SO	16	C		$5.76
LT1101SW#TRPBF	SO	16	C		$5.76

LT1101 数据手册及相关资料下载

数据手册(英文) : LT1101 - Precision, Micropower, Single Supply Instrumentation Amplifier (Fixed Gain = 10 or 100).PDF
应用指南 (英文) : AN43 - Bridge Circuits.PDF
应用指南 (英文) : AN67 - linear Technology Magazine Circuit Collection, Volume III.PDF
设计要点 (英文) : DN40 - Designing with a New Family of Instrumentation Amplifiers.PDF
设计要点 (英文) : DN45 - Signal Conditioning for Platinum Temperature Transducers.PDF
设计要点 (英文) : DN56 - 3V Operation of linear Technology Op Amps.PDF
可靠性数据 : R046 Reliability Data .PDF