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TLV2548Q

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汽车类 12 位、8 通道、200kSPS ADC，串行输出、自动断电（软件和硬件）、低功耗

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TLV2548Q

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米6体育平台手机版_好二三四详情

Resolution (bps) 12 Sample rate (max) (ksps) 200 Number of input channels 8 Interface type SPI Architecture SAR Input type Single-ended Multichannel configuration Multiplexed Rating Automotive Reference mode External, Internal Input voltage range (max) (V) 5.5 Input voltage range (min) (V) 0 Features Oscillator Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 3.3 Analog supply (min) (V) 3 Analog supply voltage (max) (V) 5.5 SNR (dB) 71 Digital supply (min) (V) 3 Digital supply (max) (V) 5.5
Resolution (bps) 12 Sample rate (max) (ksps) 200 Number of input channels 8 Interface type SPI Architecture SAR Input type Single-ended Multichannel configuration Multiplexed Rating Automotive Reference mode External, Internal Input voltage range (max) (V) 5.5 Input voltage range (min) (V) 0 Features Oscillator Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 3.3 Analog supply (min) (V) 3 Analog supply voltage (max) (V) 5.5 SNR (dB) 71 Digital supply (min) (V) 3 Digital supply (max) (V) 5.5
SOIC (DW) 20 131.84 mm² 12.8 x 10.3
  • Maximum Throughput 200-KSPS
  • Built-In Reference, Conversion Clock and 8× FIFO
  • Differential/Integral Nonlinearity Error:
    ±1.2 LSB at –55°C to 125°C
  • Signal-to-Noise and Distortion Ratio:
    65 dB, fi = 12-kHz at –55°C to 125°C
  • Spurious Free Dynamic Range: 75 dB, fi = 12- kHz
  • SPI/DSP-Compatible Serial Interfaces With SCLK up to 20-MHz
  • Single Wide Range Supply 3 Vdc to 5.5 Vdc
  • Analog Input Range 0-V to Supply Voltage With 500 kHz BW
  • Hardware Controlled and Programmable Sampling Period
  • Low Operating Current (1-mA at 3.3-V, 2-mA at 5.5-V With External Ref,
    1.7-mA at 3.3-V, 2.4-mA at 5.5-V With Internal Ref)
  • Power Down: Software/Hardware Power-Down Mode (1 µA Typ, Ext Ref),
    Autopower-Down Mode (1 µA Typ, Ext Ref)
  • Programmable Auto-Channel Sweep
  • Available in Q-Temp Automotive High Reliability Automotive Applications
    Configuration Control/Print Support Qualification to Automotive Standards
  • Maximum Throughput 200-KSPS
  • Built-In Reference, Conversion Clock and 8× FIFO
  • Differential/Integral Nonlinearity Error:
    ±1.2 LSB at –55°C to 125°C
  • Signal-to-Noise and Distortion Ratio:
    65 dB, fi = 12-kHz at –55°C to 125°C
  • Spurious Free Dynamic Range: 75 dB, fi = 12- kHz
  • SPI/DSP-Compatible Serial Interfaces With SCLK up to 20-MHz
  • Single Wide Range Supply 3 Vdc to 5.5 Vdc
  • Analog Input Range 0-V to Supply Voltage With 500 kHz BW
  • Hardware Controlled and Programmable Sampling Period
  • Low Operating Current (1-mA at 3.3-V, 2-mA at 5.5-V With External Ref,
    1.7-mA at 3.3-V, 2.4-mA at 5.5-V With Internal Ref)
  • Power Down: Software/Hardware Power-Down Mode (1 µA Typ, Ext Ref),
    Autopower-Down Mode (1 µA Typ, Ext Ref)
  • Programmable Auto-Channel Sweep
  • Available in Q-Temp Automotive High Reliability Automotive Applications
    Configuration Control/Print Support Qualification to Automotive Standards

The TLV2544Q, TLV2548Q, and TLV2548M are a family of high performance, 12-bit low power, 3.5 µs, CMOS analog-to-digital converters (ADC) which operate from a single 3-V to 5.5-V power supply. These devices have three digital inputs and a 3-state output [chip select (CS), serial input-output clock (SCLK), serial data input (SDI), and serial data output (SDO)] that provide a direct 4-wire interface to the serial port of most popular host microprocessors (SPI interface). When interfaced with a DSP, a frame sync (FS) signal is used to indicate the start of a serial data frame.

In addition to a high-speed A/D converter and versatile control capability, these devices have an on-chip analog multiplexer that can select any analog inputs or one of three internal self-test voltages. The sample-and-hold function is automatically started after the fourth SCLK edge (normal sampling) or can be controlled by a special pin, CSTART, to extend the sampling period (extended sampling). The normal sampling period can also be programmed as short (12 SCLKs) or as long (24 SCLKs) to accommodate faster SCLK operation popular among high-performance signal processors. The TLV2548 and TLV2544 are designed to operate with very low power consumption. The power-saving feature is further enhanced with software/hardware/autopower-down modes and programmable conversion speeds. The conversion clock (OSC) and reference are built-in. The converter can use the external SCLK as the source of the conversion clock to achieve higher (up to 2.8 µs when a 20 MHz SCLK is used) conversion speed. Two different internal reference voltages are available. An optional external reference can also be used to achieve maximum flexibility.

The TLV2544Q and the TLV2548Q are characterized for operation from –40°C to 125°C. The TLV2548M is characterized for operation from –55°C to 125°C.

The TLV2544Q, TLV2548Q, and TLV2548M are a family of high performance, 12-bit low power, 3.5 µs, CMOS analog-to-digital converters (ADC) which operate from a single 3-V to 5.5-V power supply. These devices have three digital inputs and a 3-state output [chip select (CS), serial input-output clock (SCLK), serial data input (SDI), and serial data output (SDO)] that provide a direct 4-wire interface to the serial port of most popular host microprocessors (SPI interface). When interfaced with a DSP, a frame sync (FS) signal is used to indicate the start of a serial data frame.

In addition to a high-speed A/D converter and versatile control capability, these devices have an on-chip analog multiplexer that can select any analog inputs or one of three internal self-test voltages. The sample-and-hold function is automatically started after the fourth SCLK edge (normal sampling) or can be controlled by a special pin, CSTART, to extend the sampling period (extended sampling). The normal sampling period can also be programmed as short (12 SCLKs) or as long (24 SCLKs) to accommodate faster SCLK operation popular among high-performance signal processors. The TLV2548 and TLV2544 are designed to operate with very low power consumption. The power-saving feature is further enhanced with software/hardware/autopower-down modes and programmable conversion speeds. The conversion clock (OSC) and reference are built-in. The converter can use the external SCLK as the source of the conversion clock to achieve higher (up to 2.8 µs when a 20 MHz SCLK is used) conversion speed. Two different internal reference voltages are available. An optional external reference can also be used to achieve maximum flexibility.

The TLV2544Q and the TLV2548Q are characterized for operation from –40°C to 125°C. The TLV2548M is characterized for operation from –55°C to 125°C.
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类型 标题 下载最新的英语版本 日期
* 数据表 3-V to 5.5-V, 12-Bit, 200-KSPS, 4-/8-Channel, Low-Power Serial Analog-to-Digital 数据表 (Rev. F) 2009年 10月 7日

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包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
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  • 制造厂地点
  • 封装厂地点

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