TLV2545

활성

12비트, 200kSPS ADC, 직렬 출력, TMS320 호환(최대 10MHz), 단일 채널 의사 차동

지금 주문

데이터 시트

document-pdfAcrobat 2.7 V to 5.5 V Low-Power 12-Bit 140/200 KSPS, Serial Analog-To-Digital Converter datasheet (Rev. E) (영어)

TLV2545

활성

데이터 시트

지금 주문

제품 상세 정보

Resolution (bps)

12

Sample rate (max) (ksps)

200

Number of input channels

1

Interface type

SPI

Architecture

SAR

Input type

Pseudo-Differential

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)

2.8

Analog supply (min) (V)

2.7

Analog supply voltage (max) (V)

5.5

SNR (dB)

72

Digital supply (min) (V)

2.7

Digital supply (max) (V)

5.5

Resolution (bps)

12

Sample rate (max) (ksps)

200

Number of input channels

1

Interface type

SPI

Architecture

SAR

Input type

Pseudo-Differential

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)

2.8

Analog supply (min) (V)

2.7

Analog supply voltage (max) (V)

5.5

SNR (dB)

72

Digital supply (min) (V)

2.7

Digital supply (max) (V)

5.5

Maximum Throughput . . . 140/200 KSPS
Built-In Conversion Clock
INL/DNL: ±1 LSB Max, SINAD: 72 dB,
SFDR: 85 dB, f_i = 20 kHz
SPI/DSP-Compatible Serial Interface
Single Supply: 2.7 Vdc to 5.5 Vdc
Rail-to-Rail Analog Input With 500 kHz BW
Three Options Available:
- TLV2541: Single Channel Input
- TLV2542: Dual Channels With Autosweep
- TLV2545: Single Channel With Pseudo-Differential Input
Low Power With Autopower Down
- Operating Current: 1 mA at 2.7 V, 1.5 mA at 5 V
  Autopower Down: 2 µA at 2.7 V, 5 µA at 5 V
Small 8-Pin MSOP and SOIC Packages

TMS320 is a trademark of Texas Instruments.

Maximum Throughput . . . 140/200 KSPS
Built-In Conversion Clock
INL/DNL: ±1 LSB Max, SINAD: 72 dB,
SFDR: 85 dB, f_i = 20 kHz
SPI/DSP-Compatible Serial Interface
Single Supply: 2.7 Vdc to 5.5 Vdc
Rail-to-Rail Analog Input With 500 kHz BW
Three Options Available:
- TLV2541: Single Channel Input
- TLV2542: Dual Channels With Autosweep
- TLV2545: Single Channel With Pseudo-Differential Input
Low Power With Autopower Down
- Operating Current: 1 mA at 2.7 V, 1.5 mA at 5 V
  Autopower Down: 2 µA at 2.7 V, 5 µA at 5 V
Small 8-Pin MSOP and SOIC Packages

TMS320 is a trademark of Texas Instruments.

The TLV2541, TLV2542, and TLV2545 are a family of high performance, 12-bit, low power, miniature, CMOS analog-to-digital converters (ADC). The TLV254x family operates from a single 2.7-V to 5.5-V supply. Devices are available with single, dual, or single pseudo-differential inputs. Each device has a chip select (CS), serial clock (SCLK), and serial data output (SDO) that provides a direct 3-wire interface to the serial port of most popular host microprocessors (SPI interface). When interfaced with a TMS320™ DSP, a frame sync signal (FS) can be used to indicate the start of a serial data frame on CS for all devices or FS for the TLV2541.

TLV2541, TLV2542, and TLV2545 are designed to operate with very low power consumption. The power saving feature is further enhanced with an autopower-down mode. This product family features a high-speed serial link to modern host processors with SCLK up to 20 MHz. The maximum SCLK frequency is dependent upon the mode of operation (see Table 1). The TLV254x family uses the built-in oscillator as the conversion clock, providing a 3.5-µs conversion time.

The TLV2541, TLV2542, and TLV2545 are a family of high performance, 12-bit, low power, miniature, CMOS analog-to-digital converters (ADC). The TLV254x family operates from a single 2.7-V to 5.5-V supply. Devices are available with single, dual, or single pseudo-differential inputs. Each device has a chip select (CS), serial clock (SCLK), and serial data output (SDO) that provides a direct 3-wire interface to the serial port of most popular host microprocessors (SPI interface). When interfaced with a TMS320™ DSP, a frame sync signal (FS) can be used to indicate the start of a serial data frame on CS for all devices or FS for the TLV2541.

TLV2541, TLV2542, and TLV2545 are designed to operate with very low power consumption. The power saving feature is further enhanced with an autopower-down mode. This product family features a high-speed serial link to modern host processors with SCLK up to 20 MHz. The maximum SCLK frequency is dependent upon the mode of operation (see Table 1). The TLV254x family uses the built-in oscillator as the conversion clock, providing a 3.5-µs conversion time.

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