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ADC3908CSSS 数据表(PDF) 3 Page - Texas Instruments |
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ADC3908CSSS 数据表(HTML) 3 Page - Texas Instruments |
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3 / 47 page ![]() 5 Pin Configuration and Functions 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 24 23 22 21 20 19 18 17 32 31 30 29 28 27 26 25 NC NC NC NC NC PDN VCM CLK D4 D5 D6 D7 NC M2 M1 NC Thermal Pad A. AGND is soldered to the thermal pad Figure 5-1. RSM (VQFN) Package, 32-Pin (Top View) Table 5-1. Pin Functions PIN TYPE DESCRIPTION NAME NO. INPUT or REFERENCE INAP 10 I Positive analog input, channel A INAM 11 I Negative analog input, channel A INBP/NC 14 I Positive analog input, channel B (NC on single channel device) INBM/NC 15 I Negative analog input, channel B (NC on single channel device) VCM 7 O Common-mode voltage output for the analog inputs, 1.25 V CLOCK CLK 8 I Sampling clock input for the ADC CONFIGURATION RESET 9 I Hardware reset. Active high. This pin has an internal 60 kΩ pull-down resistor. M0 16 I Default, internal 40 kΩ pull-down resistor. Tie to GND for dual channel devices or AVDD for single channel devices. This pin is used to configure default operating conditions. Interface configuration table M1 18 I Default, internal 40 kΩ pull-down resistor. This pin is used to configure default operating conditions. Interface configuration table M2 19 I Default, internal 40 kΩ pull-down resistor. This pin is used to configure default operating conditions. Interface configuration table DIGITAL INTERFACE www.ti.com ADC3908D025, ADC3908D065, ADC3908D125 ADC3908S025, ADC3908S065, ADC3908S125 SBASAU9 – OCTOBER 2024 Copyright © 2024 Texas Instruments Incorporated Submit Document Feedback 3 Product Folder Links: ADC3908D025 ADC3908D065 ADC3908D125 ADC3908S025 ADC3908S065 ADC3908S125 |
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