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7672RPDS-05 Datasheet(PDF) 4 Page - Maxwell Technologies |
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7672RPDS-05 Datasheet(HTML) 4 Page - Maxwell Technologies |
4 / 11 page 4 All data sheets are subject to change without notice ©2002 Maxwell Technologies All rights reserved. 12-Bit A/D Converter 7672 08.09.02 REV 13 Bipolar Zero Error BZE T A = +25 ° C T A = -55 to +125 ° C 1 2, 3 -- -- ±5 ±6 LSB Bipolar Gain Error BGE T A = +25 ° C T A = -55 to +125 ° C 1 2, 3 -- -- ±5 ±7 LSB 1. Guaranteed by design. TABLE 5. 7672 TIMING CHARACTERISTICS 1,2 (V DD = 5V ±5%, VSS = -12V ±10%, VREF = -5V, TA = -55 TO 125 °C UNLESS OTHERWISE SPECIFIED) 1. 1LSB = FS/4096; T A = 25 ° C; Performance over power supply tolerance is guaranteed by power supply rejection test. 2. All inputs are 0V to +5V swing with t r = tr = 5ns (10 to 90% of +5V) and timed from a voltage level of +1.6V. PARAMETER TEST CONDITION SUBGROUPS SYMBOL MIN MAX UNITS Conversion Time, Synchronous Clk, 3 3. Functionally tested. 12.5 clks, TA = -55 to +125 °C 9, 10, 11 tCONV -- 5.0 us Conversion Time, Asynchronous Clk, 12-13 clks, TA = -55 to +125 °C 9, 10, 11 tCONV 4.8 5.2 us CS to RD Setup Time TA = -55 to +125 °C 9, 10, 11 t1 0 -- ns RD to BUSY Delay CL = 50 pF, TA = +25 °C CL = 50 pF, TA = -55 to +125 °C 9 10, 11 t2 -- -- 190 270 ns Data Access Time 4 4. t3 and t6 are measured with the load circuits of Figure 1 and are defined as the time required for an output to cross +0.8 or +2.4. CL = 100 pF, TA = +25 °C CL = 100 pF, TA = -55 to +125 °C 9 10, 11 t3 -- -- 125 170 ns RD Pulse Width TA = -55 to +125 °C 9, 10, 11 t4 t3 -- ns CS to RD Hold Time TA = -55 to +125 °C 9, 10, 11 t5 0 -- ns Data Setup Time After BUSY4 CL = 100 pF, TA = +25 °C CL = 100 pF, TA = -55 to +125 °C 9 10, 11 t6 -- -- -- 70 100 ns Bus Relinguish Time5 5. t7 is defined as the time required for the data lines to change 0.5V when loaded with the circuit of Figure 2. (TA = +25 °C) (-55 < TA < +125 °C) 9 10, 11 t7 -- -- 75 90 ns Delay Between Read Operations (-55 < TA < +125 °C) 9, 10, 11 t8 200 -- ns TABLE 4. 7672 DC ELECTRICAL CHARACTERISTICS (V DD = 5V ±5%, VSS = -12V ±10%, VREF = -5V, TA = -55 TO 125 °C UNLESS OTHERWISE SPECIFIED) PARAMETER SYMBOL TEST CONDITION SUBGROUPS MIN MAX UNITS |
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