DATEL ADS-942
ADS-942 is a functionally complete, 14-bit, 2MHz, sampling A/D converter. Its standard, 32-pin, triple-wide ceramic DIP contains a fastsettling sample/hold amplifier, a 14-bit subranging (two-pass) A/D converter, a precision reference, three-state output register and all the timing and control logic necessary to operate from a single start convert pulse. The ADS-942 is optimized for wideband frequency-domain applications and is fully FFT tested.| Part No. | ADS-942 |
|---|---|
| Datasheet | ADS-942 Download |
| Manufacturer |  DATEL |
| Description | 2MHz Sampling A/D Converters |
| Buy | Stock & Price |
FEATURES
14-bit resolution 2MHz minimum throughput Functionally complete Internal reference and sample/hold -85dB total harmonic distortion 78dB signal-to-noise ratio Full Nyquist-rate sampling Small 32-pin DIP Low-power, 1.7 Watts Max BLOCK DIAGRAM INPUT/OUTPUT CONNECTIONS PIN FUNCTION PIN FUNCTION 1 +10V REF. OUT 32 START CONVERT 2 BIPOLAR 31 BIT 1 OUT (MSB) 3 ANALOG INPUT 30 BIT 1 OUT (MSB) 4 SIGNAL GROUND 29 BIT 2 OUT 5 OFFSET ADJUST 28 BIT 3 OUT 6 ANALOG GROUND 27 BIT 4 OUT 7 NC 26 BIT 5 OUT 8 CODING SELECT 25 BIT 6 OUT 9 ENABLE 24 BIT 7 OUT 10 +5V SUPPLY 23 BIT 8 OUT 11 DIGITAL GROUND 22 BIT 9 OUT 12 +15V SUPPLY 21 BIT 10 OUT 13 –15V SUPPLY 20 BIT 11 OUT 14 ANALOG GROUND 19 BIT 12 OUT 15 ANALOG GROUND 18 BIT 13 OUT 16 EOC 17 BIT 14 OUT (LSB) +10V REF. OUT 1 OFFSET ADJUST 5 BIPOLAR 2 ANALOG INPUT 3 START CONVERT 32 EOC 16 OFFSET CIRCUIT S/H REF S2 FLASH ADC S1 BUFFER REGISTER DAC REGISTER TIMING AND CONTROL LOGIC 4 SIGNAL GROUND 10 +5V SUPPLY 11 DIGITAL GROUND 12 +15V SUPPLY 6, 14, 15 ANALOG GROUND 13 –15V SUPPLY Figure 1.
