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7809LPRPFK Datasheet(PDF) 8 Page - Maxwell Technologies |
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7809LPRPFK Datasheet(HTML) 8 Page - Maxwell Technologies |
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8 / 23 page  8 All data sheets are subject to change without notice ©2005 Maxwell Technologies All rights reserved. 16-Bit Latchup Protected Analog to Digital Converter 7809LP 01.11.05 Rev 7 Selecting Output Format x x x x x x x x x x x x 0 3 1 Serial data is output in Binary Two’s Comple- ment format. Serial data is output in Straight Binary format. 1. See Figure 4 for constraints on previous data valid during conversion. TABLE 13. 7809LP INPUT RANGE CONNECTION ANALOG INPUT RANGE CONNECT R1 IN VIA 200Ω TO CONNECT R2 IN VIA 100Ω TO CONNECT R3 IN TO IMPEDANCE ±10V V IN AGND CAP 22.9 k Ω ±5V AGND V IN CAP 13.3 k Ω ±3.3V V IN V IN CAP 10.7 k Ω 0V to 10V AGND V IN AGND 13.3k Ω 0V to 5V AGND AGND V IN 10.0 k Ω 0V to 4V V IN AGND V IN 10.7 k Ω TABLE 14. 7809LP CONVERSION AND DATA TIMING (T A = -40 °C TO 85 °C UNLESS OTHERWISE SPECIFIED) SYMBOL DESCRIPTION SUBGROUPS MIN TYP MAX UNIT t1 Convert Pulse Width 9, 10, 11 40 -- 6000 ns t2 BUSY Delay 9, 10, 11 -- -- 65 ns t3 BUSY LOW 9, 10, 11 -- -- 8 µ s t4 BUSY Delay after End of Conversion 9, 10, 11 -- 220 -- ns t5 Aperture Delay 9, 10, 11 -- 40 -- ns t6 Conversion Time 9, 10, 11 -- 7.6 8 µ s t7 Acquisition Time 9, 10, 11 -- -- 2 µ s t6 + t7 Throughput Time 9, 10, 11 -- 9 10 µ s t8 R/C Low to DATACLK Delay 9, 10, 11 -- 450 -- ns t9 DATACLK Period 9, 10, 11 -- 440 -- ns t10 Data Valid to DATACLK HIGH Delay 9, 10, 11 20 75 -- ns t11 Data Valid after DATACLK LOW Delay 9, 10, 11 100 125 -- ns t12 External DATACLK 9, 10, 11 100 -- -- ns TABLE 12. 7809LP CONTROL LINE FUNCTIONS FOR READ AND CONVERT SPECIFIC FUNCTION CS R/C BUSY EXT/INT DATACL K PWRD SB/BTC OPERATION |
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