ADS1234IPWR

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ADS1234IPWR

IC ADC 24BIT SIGMA-DELTA 28TSSOP

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規格

Supplier Texas Instruments
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
NumberofBits 24
SamplingRate(PerSecond) 80
NumberofInputs 4
InputType Differential, Single Ended
DataInterface SPI
Configuration MUX-PGA-ADC
NumberofA/DConverters 1
Architecture Sigma-Delta
ReferenceType External
Voltage-SupplyAnalog 2.7V ~ 5.3V
Voltage-SupplyDigital 2.7V ~ 5.3V
Features PGA
OperatingTemperature -40°C ~ 105°C
Package/Case 28-TSSOP (0.173, 4.40mm Width)
SupplierDevicePackage 28-TSSOP

概述

Description

ADS1234IPWR is Analog Devices’ 24‑bit delta‑sigma ADC designed for precision bridge-sensor measurements (for example load cells). It converts small differential voltages into a high-resolution digital output using an on‑chip programmable gain amplifier, an integrated oscillator, and a simple SPI‑like serial interface.
Key points:
- Differential inputs suited for bridge sensors
- Integrated PGA for gain control
- 24‑bit resolution with low noise and drift
- SPI-like interface (data output, input, clock, and control signals)
- Selectable data rates and low‑power modes
- Ideal for weigh scales, force/torque sensing, and precision instrumentation
Note: The IPWR suffix indicates a specific packaging/temperature/lead-free option; check the datasheet for exact details.

Package

PowerPAD package with an exposed pad (PWR suffix).

Pinout

- Pin count: 16 pins (16-pin package, e.g., VSSOP/MSOP).
- Function: TI ADS1234IPWR is a 24-bit delta-sigma ADC with SPI-like serial interface for weigh-scale style sensing. It provides differential analog inputs (AIN+ / AIN−), clock input (CLKIN), and a serial data path (DIN, DOUT, SCLK, CS). It includes control/power pins for analog/digital supplies (AVDD/DVDD) and grounds (AVSS/DGND), plus optional pins for power-down/reset and data-ready or sync functions.

Manufacturer

Manufacturer: Texas Instruments (TI).
What kind of company: TI is an American multinational technology company that designs and manufactures semiconductors and integrated circuits, specializing in analog, embedded processing, and DSP products.

Application

- Weigh scales and load cells
- Bridge-based sensors (strain gauges, pressure sensors)
- Precision data acquisition and instrumentation systems
- Industrial process control and measurement
- Medical and laboratory instrumentation requiring high-resolution ADCs

Equivalent

ADS1234IPWR is TI’s 24‑bit delta‑sigma ADC for bridge sensors. Closest TI equivalents:
- ADS1231
- ADS1232
- ADS1236
- ADS1238
- ADS124S08 (higher performance)
Non‑TI similar 24‑bit delta‑sigma ADC families:
- Analog Devices: AD7790/AD7791/AD7792; AD7190/AD7192
Note: exact one‑to‑one drop‑in replacements depend on input topology, data rate, and interface.

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