INA125 Instrumentation Amplifier with Precision Voltage Reference IC DIP-16 Package

The INA125 is a low power, high accuracy instrumentation amplifier with a precision voltage reference. It provides complete bridge excitation and precision differential-input amplification on a single integrated circuit. A single external resistor sets any gain from 4 to 10,000. The INA125 is laser-trimmed for low offset voltage (250?V), low offset drift (2?V/?C), and high common-mode rejection (100dB at G = 100). It operates on single (+2.7V to +36V) or dual (?1.35V to ?18V) supplies. The voltage reference is externally adjustable with pinselectable voltages of 2.5V, 5V, or 10V, allowing use with a variety of transducers. The reference voltage is accurate to ?0.5% (max) with ?35ppm/?C drift (max). Sleep mode allows shutdown and duty cycle operation to save power. The INA125 is available in 16-pin plastic DIP and SO-16 surface-mount packages and is specified for the ?40?C to +85?C industrial temperature range. 

SKU: RW-02216

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Description

The INA125 is a low power, high accuracy instrumentation amplifier with a precision voltage reference. It provides complete bridge excitation and precision differential-input amplification on a single integrated circuit. A single external resistor sets any gain from 4 to 10,000. The INA125 is laser-trimmed for low offset voltage (250?V), low offset drift (2?V/?C), and high common-mode rejection (100dB at G = 100). It operates on single (+2.7V to +36V) or dual (?1.35V to ?18V) supplies. The voltage reference is externally adjustable with pinselectable voltages of 2.5V, 5V, or 10V, allowing use with a variety of transducers. The reference voltage is accurate to ?0.5% (max) with ?35ppm/?C drift (max). Sleep mode allows shutdown and duty cycle operation to save power. The INA125 is available in 16-pin plastic DIP and SO-16 surface-mount packages and is specified for the ?40?C to +85?C industrial temperature range. 


Features:-

? LOW QUIESCENT CURRENT: 460?A 

? PRECISION VOLTAGE REFERENCE: 1.24V, 2.5V, 5V or 10V 

? SLEEP MODE 

? LOW OFFSET VOLTAGE: 250?V max 

? LOW OFFSET DRIFT: 2?V/?C max 

? LOW INPUT BIAS CURRENT: 20nA max 

? HIGH CMR: 100dB min 

? LOW NOISE: 38nV/?Hz at f = 1kHz 

? INPUT PROTECTION TO ?40V 

? WIDE SUPPLY RANGE Single Supply: 2.7V to 36V Dual Supply: ?1.35V to ?18V 

? 16-PIN DIP AND SO-16 SOIC PACKAGES  

Specifications:-

Parameter Specification
Number of channels (#) 1
Vs (Max) (V) 36
Vs (Min) (V) 2.7
Input offset (+/-) (Max) (uV) 250
Gain (Min) (V/V) 4
Gain (Max) (V/V) 10000
Noise at 1 kHz (Typ) (nV/rt (Hz)) 38
CMRR (Min) (dB) 100
Input offset drift (+/-) (Max) (uV/C) 2
Input bias current (+/-) (Max) (nA) 25
Iq (Typ) (mA) 0.46
Bandwidth at min gain (Typ) (MHz) 0.15
Gain error (+/-) (Max) (%) 1
Operating temperature range (C) -40 to 85
Noise at 0.1 Hz-10 Hz (Typ) (uVpp) 0.8
Gain non-linearity (+/-) (Max) (%) 0.012


Related Document:-

 INA125 IC Datasheet

Additional information

Operating voltage

2.5 3.0V

Pixel Resolution

0.3MP

Photosensitive array

640 x 480

Optical Size

1.6 inch

Angel of view

67 degrees

Maximum Frame Rate

30fps VGA

Sensitivity

1.3V/(Lux-sec)

Dormancy

Less than 20A

Power consumption

60mW/15fpsVGA YUV

Temperature operation Range

-30 C ~ 70 C

Pixel area

3.6 x 3.6 m

Signal to noise ratio (SNR)

46 dB

Dynamic range

52 dB

Specification

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