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
Related Document:-
HI7190IP IC Datasheet
* Product Images are shown for illustrative purposes only and may differ from actual product.
HI7190IP 24-Bit High Precision Sigma-Delta A/D Converter IC DIP-20 Package
₹1,275.00
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.
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