TLA2528 Texas instruments

TLA2528

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TLA2528

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Описание

The TLA2528 is an easy-to-use, 8-channel, multiplexed, 12-bit, successive approximation register analog-to-digital converter (SAR ADC). The eight channels can be independently configured as either analog inputs, digital inputs, or digital outputs. The device has an internal oscillator for ADC conversion processes.The TLA2528 communicates via an I2C-compatible interface and supports standard-mode (100 kHz), fast-mode (400 kHz), fast-mode plus (1 MHz), and high-speed mode (3.4 MHz). Up to eight I2C addresses can be selected for the TLA2528 by connecting a resistor on the ADDR pin.

Small package size:
- 3-mm × 3-mm WQFN
8 channels configurable as any combination of:
- Up to 8 analog inputs, digital inputs, or digital outputs
GPIOs for I/O expansion:
- Open-drain, push-pull digital outputs
Wide operating ranges:
- AVDD: 2.35 V to 5.5 V
- DVDD: 1.65 V to 5.5 V
- –40°C to +85°C temperature range
I²C interface:
- Up to 3.4 MHz (high-speed mode)
- 8 configurable I²C addresses
Programmable averaging filters:
- Programmable sample size for averaging
- Averaging with internal conversions
- 16-bit resolution for average output

Resolution (Bits)	12
Sample rate (max) (ksps)	140
Number of input channels	8
Interface type	I2C
Architecture	SAR
Input type	Single-ended
Multichannel configuration	Multiplexed
Rating	Catalog
Reference mode	Supply
Input voltage range (max) (V)	5.5
Input voltage range (min) (V)	0
Features	GPIO, Oscillator, Small Size
Operating temperature range (°C)	-40 to 85
Power consumption (typ) (mW)	0.05
Analog supply (min) (V)	2.35
Analog supply voltage (max) (V)	5.5
Digital supply (min) (V)	1.65
Digital supply (max) (V)	5.5