TLA2021 - Texas Instruments

TLA2021 12-Bit System-Monitoring ADC

The TLA2021, TLA2022, and TLA2024 devices (TLA202x) are easy-to-use, low-power, 12-bit deltasigma (ΔΣ) analog-to-digital converters (ADCs) targeted for any type of system-monitoring applications (such as supply or battery voltage supervision, current sensing, or temperature measurements). Offered in an ultra-small, leadless, 10-pin X2QFN package, the TLA2021.

Features

•1 Industry’s Lowest-Cost 12-Bit Delta-Sigma ADCs
• Ultra-Small X2QFN Package: 2 mm × 1.5 mm
• Highly Integrated:
  – 4 Single-Ended or 2 Differential Inputs Make the TLA2024 the Industry’s Highest Channel Density ADC (0.75 mm² per Channel)
  – PGA (TLA2022 and TLA2024 Only)
  – Voltage Reference
  – Oscillator
• Low Current Consumption: 150 µA
• Wide Supply Range: 2 V to 5.5 V
• Programmable Data Rate: 128 SPS to 3.3 kSPS
• I2C™ Compatible Interface:
  – Supports Standard-Mode and Fast-Mode
  – Three Pin-Selectable I2C Addresses
• Operating Temperature Range:
  –40°C to +85°C 2 Applications
• Personal Elec.