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Low Power, Single Resistor Gain Programmable, Precision Instrumentation Amplifier

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LT1168ACN8#PBF General Description

The high accuracy of the LT1168 is due to a 20ppm maximum nonlinearity and 0.4% max gain error (G = 10). Previous monolithic instrumentation amps cannot handle a 2k load resistor whereas the nonlinearity of the LT1168 is specified for loads as low as 2k. The LT1168 is laser trimmed for very low input offset voltage (40µV max), drift (0.3µV/°C), high CMRR (90dB, G = 1) and PSRR (103dB, G = 1). Low input bias currents of 250pA max are achieved with the use of superbeta processing. The output can handle capacitive loads up to 1000pF in any gain configuration while the inputs are ESD protected up to 13kV (human body). The LT1168 with two external 5k resistors passes the IEC 1000-4-2 level 4 specification.

Analog Devices, Inc Inventory

Key Features

  • Supply Current: 530µA Max
  • Meets IEC 1000-4-2 Level 4 (±15kV) ESD Tests with Two External 5k Resistors
  • Single Gain Set Resistor: G = 1 to 10,000
  • Gain Error: G = 10, 0.4% Max
  • Input Offset Voltage Drift: 0.3µV/°C Max
  • Gain Nonlinearity: G = 10, 20ppm Max
  • Input Offset Voltage: 40µV Max
  • Input Bias Current: 250pA Max
  • PSRR at AV =1: 103dB Min
  • CMRR at AV = 1: 90dB Min
  • Wide Supply Range: ±2.3V to ±18V
  • 1kHz Voltage Noise: 10nV/√Hz
  • 0.1Hz to 10Hz Noise: 0.28µVP-P
  • Available in 8-Pin PDIP and SO Packages
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Analog Devices, Inc Inventory


Category Integrated Circuits (ICs)LinearAmplifiersInstrumentation, OP Amps, Buffer Amps Mfr Analog Devices Inc.
Series - Package Tube
Product Status Active Amplifier Type Instrumentation
Number of Circuits 1 Output Type -
Slew Rate 0.5V/µs Gain Bandwidth Product 400 kHz
Current - Input Bias 40 pA Voltage - Input Offset 15 µV
Current - Supply 350µA Current - Output / Channel 32 mA
Voltage - Supply Span (Min) 4.6 V Voltage - Supply Span (Max) 36 V
Operating Temperature 0°C ~ 70°C Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm) Supplier Device Package 8-PDIP
Base Product Number LT1168 Manufacturer Analog Devices Inc.
Product Category Instrumentation Amplifiers RoHS Details
Number of Channels 1 Channel SR - Slew Rate 500 mV/us
CMRR - Common Mode Rejection Ratio 140 dB Ib - Input Bias Current 40 pA
Supply Voltage - Max 40 V Supply Voltage - Min 4.6 V
Operating Supply Current 350 uA Mounting Style Through Hole
Brand Analog Devices en - Input Voltage Noise Density 10 nV/rtHz
GBP - Gain Bandwidth Product 400 kHz In - Input Noise Current Density 0.074 pA/rtHz
Output Current per Channel 32 mA Product Type Instrumentation Amplifiers
Factory Pack Quantity 50 Subcategory Amplifier ICs

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Availability: 4123 PCS

Qty. Unit Price(USD) Ext. Price
1+ $11.594 $11.59
200+ $4.488 $897.60
500+ $4.330 $2,165.00
1000+ $4.251 $4,251.00

The prices below are for reference only.