TLA2022 Texas instruments

TLA2022

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TLA2022

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Описание

The TLA2021, TLA2022, and TLA2024 devices (TLA202x) are easy-to-use, low-power, 12-bit delta-sigma (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 and TLA2022 are single-channel ADCs while the TLA2024 features a flexible input multiplexer (MUX) with two differential or four single-ended input measurement options.The TLA202x integrate a voltage reference and oscillator. Additionally, the TLA2022 and TLA2024 include a programmable gain amplifier (PGA) with selectable input ranges from ±256 mV to ±6.144 V, enabling both large- and small-signal measurements.The TLA202x communicate via an I2C-compatible interface and operate in either continuous or single-shot conversion mode. The devices automatically power down after one conversion in single-shot conversion mode, significantly reducing power consumption during idle periods.All of these features, along with a wide operating supply voltage range, make the TLA202x suitable for power- and space-constrained, system-monitoring applications.

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

Resolution (Bits)	12
Sample rate (max) (ksps)	3.3
Number of input channels	1
Interface type	I2C
Architecture	Delta-Sigma
Input type	Differential, Single-ended
Rating	Catalog
Reference mode	Internal
Input voltage range (max) (V)	5.5
Input voltage range (min) (V)	0
Features	Oscillator, PGA, Small Size
Operating temperature range (°C)	-40 to 85
Power consumption (typ) (mW)	0.3
Analog supply (min) (V)	2
Analog supply voltage (max) (V)	5.5
Digital supply (min) (V)	2
Digital supply (max) (V)	5.5