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HI7190IP 24-Bit High Precision Sigma-Delta A/D Converter IC DIP-20 Package

1,299.00 Excluding tax

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The HI7190IP is a monolithic instrumentation, sigma delta A/D converter which operates from ±5V supplies. Both the signal and reference inputs are fully differential for maximum flexibility and performance. An internal Programmable Gain Instrumentation Amplifier (PGIA) provides input gains from 1 to 128 eliminating the need for external pre-amplifiers. The on-demand converter auto calibrate function is capable of removing offset and gain errors existing in external and internal circuitry. The onboard user programmable digital filter provides over 120dB of 60/50Hz noise rejection and allows fine tuning of resolution and conversion speed over a wide dynamic range. The HI7190 and HI7191 are functionally the same device, but the HI7190 has tighter linearity specifications. The HI7190 contains a serial I/O port and is compatible with most synchronous transfer formats including both the Motorola 6805/11 series SPI and Intel 8051 series SSR protocols. A sophisticated set of commands gives the user control over calibration, PGIA gain, device selection, standby mode, and several other features. The On-chip Calibration Registers allow the user to read and write calibration data.

Features:-

• 22-Bit Resolution with No Missing Code

• 0.0007% Integral Non-Linearity (Typ)

• 20mV to ±2.5V Full Scale Input Ranges

• Internal PGIA with Gains of 1 to 128

• Serial Data I/O Interface, SPI Compatible

• Differential Analog and Reference Inputs

• Internal or System Calibration

• 120dB Rejection of 60/50Hz Line Noise

• Settling Time of 4 Conversions (Max) for a Step Input

Specifications:- 

Parameters Specification
Supply Voltage AVDD to AGND +5.5V
AVSS to AGND -5.5V
DVDD to DGND +5.5V
DGND to AGND  ±0.3V
Analog Input Pins AVSS to AVDD
Digital Input, Output and I/O Pins  DGND to DVDD
ESD Tolerance Human Body Model 500 V
Machine Model 100 V
Charged Device Model 1000 V
Temperature Range -40°C to 85°C

hi7190ip-ic-datasheet

* product image for illustration purposes only. actual product may vary.

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