TLV2553

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ADC en serie de baja potencia de 11 canales y 200 kSPS y 12 bits con apagado

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document-pdfAcrobat TLV2553 12-Bit, 200-KSPS, 11-Channel, Low-Power, Serial ADC datasheet (Rev. C) (Inglés) PDF | HTML

TLV2553

ACTIVO

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Detalles del producto

Resolution (bps)

12

Sample rate (max) (ksps)

200

Number of input channels

11

Interface type

SPI

Architecture

SAR

Input type

Single-ended

Multichannel configuration

Multiplexed

Rating

Catalog

Reference mode

External

Input voltage range (max) (V)

5.5

Input voltage range (min) (V)

0

Features

Oscillator

Operating temperature range (°C)

-40 to 85

Power consumption (typ) (mW)

2.43

Analog supply (min) (V)

2.7

Analog supply voltage (max) (V)

5.5

SNR (dB)

69.5

Digital supply (min) (V)

2.7

Digital supply (max) (V)

5.5

Resolution (bps)

12

Sample rate (max) (ksps)

200

Number of input channels

11

Interface type

SPI

Architecture

SAR

Input type

Single-ended

Multichannel configuration

Multiplexed

Rating

Catalog

Reference mode

External

Input voltage range (max) (V)

5.5

Input voltage range (min) (V)

0

Features

Oscillator

Operating temperature range (°C)

-40 to 85

Power consumption (typ) (mW)

2.43

Analog supply (min) (V)

2.7

Analog supply voltage (max) (V)

5.5

SNR (dB)

69.5

Digital supply (min) (V)

2.7

Digital supply (max) (V)

5.5

12-Bit-Resolution A/D Converter
Up to 200 KSPS (150 KSPS for 3 V) Throughput
Over Operating Temperature Range With 12-Bit
Output Mode
11 Analog Input Channels
3 Built-In Self-Test Modes
Inherent Sample and Hold Function
Linearity Error, ±1 LSB Maximum
On-Chip Conversion Clock
Unipolar or Bipolar Output Operation
Programmable MSB or LSB First
Programmable Power Down
Programmable Output Data Length
SPI Compatible Serial Interface With I/O Clock
Frequencies up to 15 MHz (CPOL=0, CPHA=0)

12-Bit-Resolution A/D Converter
Up to 200 KSPS (150 KSPS for 3 V) Throughput
Over Operating Temperature Range With 12-Bit
Output Mode
11 Analog Input Channels
3 Built-In Self-Test Modes
Inherent Sample and Hold Function
Linearity Error, ±1 LSB Maximum
On-Chip Conversion Clock
Unipolar or Bipolar Output Operation
Programmable MSB or LSB First
Programmable Power Down
Programmable Output Data Length
SPI Compatible Serial Interface With I/O Clock
Frequencies up to 15 MHz (CPOL=0, CPHA=0)

The TLV2553 is a 12-bit, switched-capacitor, successive-approximation, analog-to-digital converter. The ADC has three control inputs [chip select (CS), the input-output clock, and the address/control input (DATAIN)], designed for communication with the serial port of a host processor or peripheral through a serial 3-state output.

In addition to the high-speed converter and versatile control capability, the device has an on-chip 14-channel multiplexer that can select any one of 11 inputs or any one of three internal self-test voltages using configuration register 1. The sample-and-hold function is automatic. At the end of conversion, when programmed as EOC, the pin 19 output goes high to indicate that conversion is complete. The converter incorporated in the device features differential, high- impedance reference inputs that facilitate ratiometric conversion, scaling, and isolation of analog circuitry from logic and supply noise. A switched-capacitor design allows low-error conversion over the full operating temperature range.

The TLV2553I is characterized for operation from T_A = –40°C to 85°C.

The TLV2553 is a 12-bit, switched-capacitor, successive-approximation, analog-to-digital converter. The ADC has three control inputs [chip select (CS), the input-output clock, and the address/control input (DATAIN)], designed for communication with the serial port of a host processor or peripheral through a serial 3-state output.

In addition to the high-speed converter and versatile control capability, the device has an on-chip 14-channel multiplexer that can select any one of 11 inputs or any one of three internal self-test voltages using configuration register 1. The sample-and-hold function is automatic. At the end of conversion, when programmed as EOC, the pin 19 output goes high to indicate that conversion is complete. The converter incorporated in the device features differential, high- impedance reference inputs that facilitate ratiometric conversion, scaling, and isolation of analog circuitry from logic and supply noise. A switched-capacitor design allows low-error conversion over the full operating temperature range.

The TLV2553I is characterized for operation from T_A = –40°C to 85°C.

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