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The AD7685 is a 16-bit, charge redistribution successive approximation, analog-to-digital converter (ADC) that operates from a single power supply, VDD, between 2.3 V to 5.5 V. It contains a low power, high speed, 16-bit sampling ADC with no missing codes, an internal conversion clock, and a versatile serial interface port. The part also contains a low noise, wide bandwidth, short aperture delay, track-and-hold circuit. On the CNV rising edge, it samples an analog input IN+ between 0 V to REF with respect to a ground sense IN−. The reference voltage, REF, is applied externally and can be set up to the supply voltage. Power dissipation scales linearly with throughput. The SPI-compatible serial interface also features the ability, using the SDI input, to daisy chain several ADCs on a single 3-wire bus or provides an optional BUSY indicator. It is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic using the separate supply VIO. The AD7685 is housed in a 10-lead MSOP or a 10-lead QFN (LFCSP) with operation specified from −40°C to +85°C. Applications Battery-powered equipment Medical instruments Mobile communications Personal digital assistants (PDAs) Data acquisition Instrumentation Process controls
Количество в упаковке | 1 |
Корпус | MSOP-10 |
Вес | 0.1 г |
input_capacitance | 30.0 pF |
mil_spec | No |
rohs_status | Compliant |
logic_type | SAR |
lead_free_status | Contains Lead |
mounting_style | Surface Mount |
packaging | Tape, Tape & Reel (TR) |
case_package | MSOP |
lifecycle_status | Active |
number_of_bits | 16 |
pin_count | 10 |
resolution_bits | 16.0 |
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