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AD7397 数据表(PDF) 6 Page - Analog Devices |
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AD7397 数据表(HTML) 6 Page - Analog Devices |
6 / 12 page AD7396/AD7397 –6– REV. 0 PIN FUNCTION DESCRIPTIONS Pin No. Name 1VOUTA DAC A Voltage Output. 2 AGND Analog Ground. 3 DGND Digital Ground. 4 LDA Load DAC A Register Strobe. Transfers input register data to the DAC A register. Active low inputs, Level sensitive latch. May be connected together with LDB to double-buffer load both DAC registers simultaneously. 5 SHDN Power Shutdown Active Low Input. DAC register contents are saved as long as power stays on the VDD pin. 6 RS Resets Input and DAC Register to Zero Condition. Asynchronous active low input. 7–18 D0–D11 Twelve Parallel Input Data Bits. D11 = MSB Pin 18, D0 = LSB Pin 7, AD7396. 7, 8 NC No Connect Pins 7 and 8 On the AD7397 Only. 9–18 D0–D9 Ten Parallel Input Data Bits. D9 = MSB Pin 18, D0 = LSB Pin 9, AD7397 Only. 19 CS Chip Select Latch Enable, Active Low. 20 A/ B DAC Input Register Address Select DACA = 1 or DACB = 0. 21 LDB Load DAC B Register Strobe. Transfers input register data to the DAC B register. Active low inputs, Level sensitive latch. May be connected together with LDA to double-buffer load both DAC registers simultaneously. 22 VDD Positive Power Supply Input. Specified range of operation +2.7 V to +5.5 V. 23 VREF DAC Reference Input Pin. Establishes DAC full-scale voltage. 24 VOUTB DAC B Voltage Output. PIN CONFIGURATIONS TOP VIEW (Not to Scale) 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 AD7396 D5 D4 D3 D2 D1 VOUTA AGND DGND LDA D0 RS SHDN D6 D7 D8 D9 D10 VOUTB VREF VDD LDB D11 CS A/ B TOP VIEW (Not to Scale) 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 AD7397 D3 D2 D1 D0 NC VOUTA AGND DGND LDA NC RS SHDN D4 D5 D6 D7 D8 VOUTB VREF VDD LDB D9 CS A/ B NC = NO CONNECT |
类似零件编号 - AD7397_15 |
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类似说明 - AD7397_15 |
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