TLA2518 Texas instruments

TLA2518

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TLA2518

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Описание

The TLA2518 is an easy-to-use, 8-channel, multiplexed, 12-bit, 1-MSPS, 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 the ADC conversion process.The TLA2518 communicates via an SPI compatible interface and supports averaging multiple data samples with a single start of conversion. The built-in programmable averaging filters help reduce noise from the analog inputs and reduce the number of data samples required to be read by the host.

Small package size:
- WQFN 3 mm × 3 mm
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
Enhanced-SPI digital interface:
- High-speed, 60-MHz interface
- Achieve full throughput with >13.5-MHz SPI
Programmable averaging filters:
- Programmable sample size for averaging
- Averaging with internal conversions
- 16-bit resolution

Resolution (Bits)	12
Sample rate (max) (ksps)	1000
Number of input channels	8
Interface type	SPI
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)	1.5
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