Features: 16-bit resolution with no missing codes INL: ±0.65 LSB Max (±10 ppm of FSR Max), ±0.25 LSB typ DNL: ±0.5 LSB Max (±8 ppm of FSR Max), ±0.2 LSB typ Throughput: 500 kSPS S/(N + D): 96 dB @ 1 kHz THD: −120 dB @ 1 kHz True differential analog input range : ±VREF0 V to VREF with VREF u...
AD7693: Features: 16-bit resolution with no missing codes INL: ±0.65 LSB Max (±10 ppm of FSR Max), ±0.25 LSB typ DNL: ±0.5 LSB Max (±8 ppm of FSR Max), ±0.2 LSB typ Throughput: 500 kSPS S/(N + D): 96 dB @ ...
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Resolution (Bits) | 16bit |
T-Put Rate | 500kSPS |
# Chan | 1 |
Supply V | Single(+5) |
Pwr Diss | 21.5mW |
Interface | Ser,SPI |
Ain Range | (2Vref) p-p,Bip (Vref) x 2 |
SNR (dB) | 96dB |
Pkg Type | CSP,SOP |
Parameter | Rating |
Analog Inputs IN+1, IN−1 REF Supply Voltages VDD, VIO to GND VDD to VIO Digital Inputs to GND Digital Outputs to GND Storage Temperature Range Junction Temperature JA Thermal Impedance JC Thermal Impedance Lead Temperature Range Vapor Phase (60 sec) Infrared (15 sec) |
GND − 0.3 V to VDD + 0.3 V or ±130 mA GND − 0.3 V to VDD + 0.3 V −0.3 V to +7 V ±7 V −0.3 V to VIO + 0.3 V −0.3 V to VIO + 0.3 V −65°C to +150°C 150°C 200°C/W (MSOP-10) 44°C/W (MSOP-10) 215°C 220°C |
The AD7693 is a 16-bit, successive approximation, analog-todigital converter (ADC) that operates from a single power supply, VDD. It contains a low power, high speed, 16-bit sampling ADC and a versatile serial interface port. On the CNV rising edge, it samples the voltage difference between IN+ and IN− pins. The voltages on these pins usually swing in opposite phase between 0 V and REF. The reference voltage, REF, is applied externally and can be set up to the supply voltage. Its power 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 and 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 AD7693 is housed in a 10-lead MSOP or a 10-lead QFN (LFCSP) with operation specified from −40°C to +85°C.