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OP295GSZ

Dual precision op-amp, 100uV Vos, 0.1uV/C drift, R-R out, SOIC-14

4100

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Pieza del fabricante：

OP295GSZ

Paquete：

SOIC-14 (8.75 x 3.91 x 1.50 mm)

Marca：

Categorías de productos：

Circuitos integrados lineales analógicos, Circuitos integrados IC

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Descripción

Productos

The OP295GSZ from Analog Devices is a dual rail-to-rail precision operational amplifier with 100uV offset, 0.1uV/°C drift, 500nV p-p noise, and 1.6MHz GBW operating from +/-2V to +/-18V in a 14-pin SOIC package.

Especificaciones

Canales	2 (Dual)
Tensión de alimentación	+/-2 V to +/-18 V (4V to 36V)
Offset Voltage	100 uV typical, 340 uV max
Offset Drift	0.1 uV/°C typical
Corriente de polarización de entrada	5 nA typical
Noise (0.1-10Hz)	500 nV p-p
GBW	1.6 MHz
Velocidad de giro	0.35 V/us
Supply Current	500 uA per amplifier
Output Swing	Rail-to-rail
Temperatura de funcionamiento	-40°C to +85°C
Paquete	SOIC-14

Características

Dual precision op-amp with 100uV offset and 0.1uV/°C drift without chopper noise
Rail-to-rail output with wide +/-2V to +/-18V supply range

Aplicaciones

Precision instrumentation and transducer bridge amplifiers
Single-supply signal conditioning with high DC accuracy

Introducción del producto:OP295GSZ Presentación del producto

The OP295GSZ from Analog Devices is a dual rail-to-rail output precision operational amplifier using a BiCMOS process to achieve 100uV typical offset voltage and 0.1uV/°C drift without chopper stabilization. The device operates from +/-2V to +/-18V supply with rail-to-rail output swing and an input common-mode range that extends to the negative rail. The low 500nV p-p noise from 0.1-10Hz makes it suitable for precision DC and low-frequency applications. The 1.6MHz GBW and 500uA per-amplifier quiescent current provide a good balance of speed and power consumption. The device is unity-gain stable and can drive capacitive loads up to 1000pF. The GSZ suffix denotes the 14-pin SOIC (narrow body) package.

Principio de funcionamiento:OP295GSZ Principio de funcionamiento

The OP295GSZ is a BiCMOS precision operational amplifier. (1) BiCMOS Process: The device combines bipolar input transistors (for low noise and low offset) with CMOS output transistors (for rail-to-rail output swing). The input stage uses a PNP differential pair for common-mode range to the negative rail, while the output stage uses common-source PMOS and NMOS transistors for rail-to-rail output swing. (2) Precision Trimming: The offset voltage is trimmed using zener-zapping during wafer-level test, achieving 100uV typical without the clock-feedthrough noise associated with chopper-stabilized amplifiers. (3) Rail-to-Rail Output: The CMOS output stage can swing to within a few millivolts of either supply rail at light loads, maximizing dynamic range in single-supply applications. (4) Low Noise: The bipolar input transistors provide lower voltage noise than CMOS-input op-amps, with 500nV p-p noise from 0.1-10Hz and 19nV/sqrtHz at 1kHz.

Descripción de la clavija:OP295GSZ Definición y funciones de las clavijas

Pin	Nombre	Función
1	OUT A	Output A
2	IN- A	Inverting input A
3	IN+ A	Non-inverting input A
4	V-	Negative supply
5	IN+ B	Non-inverting input B
6	IN- B	Inverting input B
7	SALIDA B	Output B
8-14	NC/V+	No connect / Positive supply