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數據轉換器
數位轉類比轉換器 (DAC)
精密 DAC (≤10 MSPS)

DAC539G2-Q1

現行

適用於單線錯誤通訊的車用 10 位元查表式 GPI 至 PWM 轉換器

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產品規格表

DAC539G2-Q1

現行
產品規格表 立即訂購

產品詳細資料

Resolution (Bits) 10 Number of DAC channels 1 Interface type I2C, SPI Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 1 Settling time (µs) 20 Reference type Ext, Int Architecture String Rating Automotive Features (x1) PWM, EEPROM, Smart DAC Sample/update rate (Msps) 0.025 Power consumption (typ) (mW) 0.4 Operating temperature range (°C) -40 to 125 Product type Smart DAC
Resolution (Bits) 10 Number of DAC channels 1 Interface type I2C, SPI Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 1 Settling time (µs) 20 Reference type Ext, Int Architecture String Rating Automotive Features (x1) PWM, EEPROM, Smart DAC Sample/update rate (Msps) 0.025 Power consumption (typ) (mW) 0.4 Operating temperature range (°C) -40 to 125 Product type Smart DAC
WQFN (RTE) 16 9 mm² (3 mm × 3 mm)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, T A
  • Triple general-purpose inputs
  • PWM output using sawtooth or triangular waveform
  • 10-bit GPI-to-voltage output
    • 1 LSB DNL
  • Automatically detected I 2C and SPI
    • 1.62-V V IH with V DD = 5.5 V
  • MODE pin to select between programming and standalone modes
  • User-programmable nonvolatile memory (NVM)
  • Internal, external, and VDD reference
  • Option for PWM-frequency-error correction
  • Wide operating range
    • Power supply: 1.8 V to 5.5 V
  • Tiny package: 16-pin WQFN (3 mm × 3 mm)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, T A
  • Triple general-purpose inputs
  • PWM output using sawtooth or triangular waveform
  • 10-bit GPI-to-voltage output
    • 1 LSB DNL
  • Automatically detected I 2C and SPI
    • 1.62-V V IH with V DD = 5.5 V
  • MODE pin to select between programming and standalone modes
  • User-programmable nonvolatile memory (NVM)
  • Internal, external, and VDD reference
  • Option for PWM-frequency-error correction
  • Wide operating range
    • Power supply: 1.8 V to 5.5 V
  • Tiny package: 16-pin WQFN (3 mm × 3 mm)

The DAC539G2-Q1 is an application-specific, look-up table (LUT) based GPI-to-PWM converter. This device has a 10-bit GPI-to-voltage output converter and a voltage-to-PWM converter. Both these circuits can be externally connected to create a GPI-to-PWM converter. Three GPIs are mapped to eight 10-bit digital codes that represent the voltage output. There is a programmable delay at the GPIs for eliminating glitches on these inputs. The look-up table values are programmed using I 2C or SPI and stored in the NVM. The GPIs are multiplexed with the I 2C and SPI. The voltage-to-PWM converter uses a comparator with one input as a programmable sawtooth or triangle waveform and the other input as an external voltage input.

This device automatically detects I 2C and SPI and has an internal reference. The DAC539G2-Q1 is an excellent choice for fault communication in automotive stop and turn lights and similar industrial applications.

The DAC539G2-Q1 is an application-specific, look-up table (LUT) based GPI-to-PWM converter. This device has a 10-bit GPI-to-voltage output converter and a voltage-to-PWM converter. Both these circuits can be externally connected to create a GPI-to-PWM converter. Three GPIs are mapped to eight 10-bit digital codes that represent the voltage output. There is a programmable delay at the GPIs for eliminating glitches on these inputs. The look-up table values are programmed using I 2C or SPI and stored in the NVM. The GPIs are multiplexed with the I 2C and SPI. The voltage-to-PWM converter uses a comparator with one input as a programmable sawtooth or triangle waveform and the other input as an external voltage input.

This device automatically detects I 2C and SPI and has an internal reference. The DAC539G2-Q1 is an excellent choice for fault communication in automotive stop and turn lights and similar industrial applications.

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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 DAC539G2-Q1 Automotive, 10-Bit Smart DAC for General-Purpose Input (GPI) to Pulse-Width-Modulation (PWM) Conversion With Auto-Detected I2C or SPI datasheet (Rev. A) PDF | HTML 2023/9/27
Product overview Smart DAC Product Selection Guide PDF | HTML 2024/7/1
功能安全資訊 DAC539G2-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 2023/7/27

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