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ADSD-1402S Datasheet(PDF) 1 Page - Murata Power Solutions Inc. |
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ADSD-1402S Datasheet(HTML) 1 Page - Murata Power Solutions Inc. |
1 / 5 page ®® ADSD-1402 Dual, 14-Bit, 2MSPS Sampling A/D Converter FEATURES ••••• 14-bit resolution; 2MSPS sampling rate ••••• Functionally complete; ±5V input range ••••• No missing codes over full temperature range ••••• Edge-triggered; No pipeline delays ••••• ±5V supplies, 0.725 Watts ••••• Small, 40-pin, side-brazed, ceramic TDIP ••••• 79dB SNR, –80dB THD ••••• Ideal for both time and frequency domain applications ••••• Out-of-range indicator GENERAL DESCRIPTION DATEL's ADSD-1402 is a functionally complete, dual 14-bit, 2MSPS, sampling A/D converter. Its standard, 40-pin, triple- wide ceramic DIP contains two fast-settling sample/hold amplifiers, two 14-bit A/D converters, multiplexed output buffers, a precision reference, and all the timing and control logic necessary to operate from either two or a single start convert pulse. The ADSD-1402 is optimized for wideband frequency- domain applications and is fully FFT tested. The ADSD-1402 requires only ±5V supplies and typically consumes 0.725 Watts. Models are available in either commercial 0 to +70°C or military -55 to +125°C operating temperature ranges. INPUT/OUTPUT CONNECTIONS 1 INPUT A 40 INPUT B 2 +5VA 39 +5VA 3 ANALOG GROUND 38 ANALOG GROUND 4 GAIN A 37 GAIN B 5 OFFSET A 36 OFFSET B 6 RANGE 35 N/C 7 2.5V REF 34 N/C 8 ANALOG GROUND 33 ANALOG GROUND 9 –5V 32 –5V 10 ENABLE A 31 ENABLE B 11 START A 30 START B 12 +5VD 29 EOC 13 BIT 14 (LSB) 28 BIT 1 (MSB) 14 BIT 13 27 BIT 2 15 BIT 12 26 BIT 3 16 BIT 11 25 BIT 4 17 BIT 10 24 BIT 5 18 BIT 9 23 BIT 6 19 BIT 8 22 BIT 7 20 DGND 21 DGND PIN FUNCTION PIN FUNCTION Figure 1. ADSD-1402 Functional Block Diagram DATEL, Inc., 11 Cabot Boulevard, Mansfield, MA 02048-1151 (U.S.A.) • Tel: (508) 339-3000 Fax: (508) 339-6356 • For immediate assistance: (800) 233-2765 2 8 B 1 ( M S B ) 2 7 B 2 2 6 B 3 2 5 B 4 2 4 B 5 2 3 B 6 2 2 B 7 1 9 B 8 1 8 B 9 1 7 B 1 0 1 6 B 1 1 1 5 B 1 2 1 4 B 1 3 1 3 B 1 4 T I M I N G A N D C O N T R O L L O G I C O F F S E T A D J U S T A 5 A N A L O G I N P U T A 1 R A N G E 6 + S / H 1 1 2 + 5 V D A M P + S / H 2 A D C 2 A M P R E F B U F F E R B U F F E R O F F S E T A D J U S T B 3 6 A N A L O G I N P U T B 4 0 8 0 0 8 0 0 E N A B L E A 1 0 E N A B L E B 3 1 S T A R T C O N A 1 1 S T A R T C O N B 3 0 E O C 2 9 9 , 3 2 5 V 2 , 3 9 + 5 V A 3 , 8 , 3 3 , 3 8 , A G N D 2 0 , 2 1 D G N D 3 4 , 3 5 N / C A D C 1 |
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