ADS112C04IRTER

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ADS112C04IRTER

IC ADC 16BIT SIGMA-DELTA 16WQFN

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Spezifikationen

Supplier Texas Instruments
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
NumberofBits 16
SamplingRate(PerSecond) 2k
NumberofInputs 4
InputType Differential, Single Ended
DataInterface I²C
Configuration MUX-PGA-ADC
NumberofA/DConverters 1
Architecture Sigma-Delta
ReferenceType External, Internal
Voltage-SupplyAnalog 2.3V ~ 5.5V
Voltage-SupplyDigital 2.3V ~ 5.5V
Features PGA, Temperature Sensor
OperatingTemperature -40°C ~ 125°C
Package/Case 16-WFQFN Exposed Pad
SupplierDevicePackage 16-WQFN (3x3)

Übersicht

Description

ADS112C04IRTER is a Texas Instruments 4-channel, low-noise, 24-bit delta-sigma ADC for precision instrumentation. Key points:
- 4 input channels (configurable as differential or single-ended) with a programmable gain amplifier (PGA)
- Reference options: internal or external
- SPI-compatible serial interface with data-ready (DRDY) signaling
- Supports both continuous-conversion and single-shot modes; optimized for low-frequency, DC measurements
- Suitable for bridge sensors, weigh scales, RTDs, thermocouples, and other precision sensors
- RoHS-compliant, tape-and-reel packaging (IRTER suffix)
It’s commonly used in precision measurement systems requiring high resolution, low noise, and flexible input configurations, with moderate power consumption.

Features

Here are the key features of the ADS112C04 (IRTER):
- 4 differential input channels (or 8 single-ended) with an internal multiplexer
- 24-bit delta-sigma ADC for high-resolution measurements
- Programmable gain amplifier (PGA) with selectable gains
- Internal voltage reference options plus reference buffer; external reference supported
- SPI-compatible serial interface (with DRDY); supports continuous and single-shot modes
- Programmable data rate and filtering for flexible conversion timing
- Low-power operation with power-down/standby modes
- On-chip temperature sensor and calibration features
- Wide supply range (typical 2.7V–5.25V) with rail-to-rail I/O; ratiometric performance
- Industrial temperature range; suitable for bridge/strain-gauge sensors
- Small, lead-free package options (IR) with Tape & Reel availability
Note: exact data rates, PGA gains, and reference configurations vary by mode and can be found in the datasheet.

Package

ADS112C04IRTER uses a 16‑pin VSSOP package (VSSOP-16, 3.0 mm × 3.0 mm). The TER suffix indicates Tape‑and‑Reel packaging.

Pinout

- Pin count: 20 pins (package type in ADS112C04IRTER is a 20‑pin device, e.g., TSSOP/VSSOP variant).
- Function: A 4‑channel, 24‑bit delta‑sigma ADC with SPI serial interface. It accepts four differential input pairs (AINx+/AINx−), and uses SPI lines (DIN, DOUT, SCLK, CS) plus control/status pins (DRDY, SYNC/START, RESET), along with power/ground and reference pins.

Manufacturer

Manufacturer: Texas Instruments (TI).
Type of company: American multinational semiconductor company that designs and manufactures analog, mixed-signal, and embedded processing integrated circuits used in a wide range of electronics.

Application

ADS112C04IRTER is a 4‑channel, high‑resolution delta‑sigma ADC. Typical applications include:
- Industrial process control and automation
- Weigh scales/load-cell instrumentation
- Multiplexed sensors (RTDs/thermocouples) for temperature monitoring
- Medical instrumentation and patient monitoring
- Automotive test and diagnostics
- Energy/power monitoring and metering
- Data acquisition in lab and portable instruments
- Battery-powered sensing systems

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