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ADS1232IPWR TI Chips ADS123x 2- and 4-Channel 24-Bit Delta Sigma ADCs for Bridge Sensors

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ADS1232IPWR TI Chips ADS123x 2- and 4-Channel 24-Bit Delta Sigma ADCs for Bridge Sensors

Brand Name:	TI chips
Model Number:	ADS1232IPWR
MOQ:	2000
Packaging Details:	2000PCS/reel
Payment Terms:	T/T

Detail Information

Product Description

Detail Information

Place of Origin:

China

Document:

Model:

ADS1232IPWR

Type:

SMD/SMT

Product Name:

TI Chips

Operating Temperature:

- 40 °C~+ 105 °C

Power Dissipation:

13.1 MW

Resolution:

24 Bit

Supply Ability:

1000000

Highlight:

ADS1232IPWR

ADS1232 TI Chips

4 Channel Sigma ADCs

Product Description

TI chips ADS1232IPWR ADS123x 2- and 4-Channel, 24-Bit, Delta-Sigma ADCs for Bridge Sensors

Features

• Complete front-end for bridge sensors

• 23.5-bits effective resolution at gain = 1

• 19.2-bits noise-free resolution at gain = 64

• Low-noise PGA

• Selectable gains of 1, 2, 64, and 128

• RMS noise:

– 17nV at 10SPS at gain = 128

– 44nV at 80SPS at gain = 128

• 100dB simultaneous 50Hz and 60Hz rejection

• Flexible clocking:

– Low-drift internal oscillator

– Optional external crystal

• Selectable 10SPS or 80SPS data rates

• Easy ratiometric measurements:

– External voltage reference up to 5V

• Two-channel differential input with internal

temperature sensor (ADS1232)

• Four-channel differential input (ADS1234)

• Two-wire serial interface

• Supply voltage range: 2.7V to 5.3V

• Temperature range: –40°C to +105°C

• Packages: TSSOP-24 (ADS1232) or TSSOP-28

(ADS1234)

Applications

• Weigh scales

• PLC weight modules

• Pressure sensors

Description

The ADS1232 and ADS1234 (ADS123x) are

precision, 24-bit, analog-to-digital converters (ADCs).

With a low-noise programmable gain amplifier (PGA),

a precision delta-sigma ADC, and internal oscillator.

The ADS123x provides a complete front-end solution

for bridge sensor applications including weigh scales,

strain gauges, and pressure sensors.

An input multiplexer (MUX) accepts either two

(ADS1232) or four (ADS1234) differential inputs. The

ADS1232 also includes a temperature sensor to

monitor ambient temperature. The low-noise PGA has

a selectable gain of 1, 2, 64, or 128, supporting a

full-scale differential input of ±2.5V, ±1.25V, ±39mV, or

±19.5mV.

The delta-sigma ADC provides a maximum of 23.5-

bits effective resolution, and supports two data rates:

10SPS (providing 50Hz and 60Hz rejection) and

80SPS. The ADS123x can be clocked externally

using an oscillator or a crystal, or by the internal

oscillator.

Offset calibration is performed on-demand, and the

ADS123x can be put in a low-power standby mode

or shut off completely in power-down mode. The

ADS123x are operated through simple pin-driven

control—there are no digital registers to program.

Data are output over a two-wire serial interface

that connects directly to the MSP430 and other

microcontrollers.

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products details

ADS1232IPWR TI Chips ADS123x 2- and 4-Channel 24-Bit Delta Sigma ADCs for Bridge Sensors

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