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AD5121BCPZ10-RL7 数据表(PDF) 9 Page - Analog Devices |
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AD5121BCPZ10-RL7 数据表(HTML) 9 Page - Analog Devices |
9 / 32 page Data Sheet AD5121/AD5141 Rev. 0 | Page 9 of 32 INTERFACE TIMING SPECIFICATIONS VLOGIC = 1.8 V to 5.5 V; all specifications TMIN to TMAX, unless otherwise noted. Table 4. SPI Interface Parameter1 Test Conditions/Comments Min Typ Max Unit Description t 1 V LOGIC > 1.8 V 20 ns SCLK cycle time V LOGIC = 1.8 V 30 ns t 2 V LOGIC > 1.8 V 10 ns SCLK high time V LOGIC = 1.8 V 15 ns t 3 V LOGIC > 1.8 V 10 ns SCLK low time V LOGIC = 1.8 V 15 ns t 4 10 ns SYNC-to-SCLK falling edge setup time t 5 5 ns Data setup time t 6 5 ns Data hold time t 7 10 ns SYNC rising edge to next SCLK fall ignored t 8 2 20 ns Minimum SYNC high time t 9 3 50 ns SCLK rising edge to SDO valid t 10 500 ns SYNC rising edge to SDO pin disable 1 All input signals are specified with t r = tf = 1 ns/V (10% to 90% of VDD) and timed from a voltage level of (VIL + VIH)/2. 2 Refer to t EEPROM_PROGRAM and tEEPROM_READBACK for memory commands operations (see Table 6). 3 R PULL_UP = 2.2 kΩ to VDD with a capacitance load of 168 pF. Table 5. I2C Interface Parameter1 Test Conditions/Comments Min Typ Max Unit Description f SCL 2 Standard mode 100 kHz Serial clock frequency Fast mode 400 kHz t 1 Standard mode 4.0 µs SCL high time, t HIGH Fast mode 0.6 µs t 2 Standard mode 4.7 µs SCL low time, t LOW Fast mode 1.3 µs t 3 Standard mode 250 ns Data setup time, t SU; DAT Fast mode 100 ns t 4 Standard mode 0 3.45 µs Data hold time, t HD; DAT Fast mode 0 0.9 µs t 5 Standard mode 4.7 µs Setup time for a repeated start condition, t SU; STA Fast mode 0.6 µs t 6 Standard mode 4 µs Hold time (repeated) for a start condition, t HD; STA Fast mode 0.6 µs t 7 Standard mode 4.7 µs Bus free time between a stop and a start condition, t BUF Fast mode 1.3 µs t 8 Standard mode 4 µs Setup time for a stop condition, t SU; STO Fast mode 0.6 µs t 9 Standard mode 1000 ns Rise time of SDA signal, t RDA Fast mode 20 + 0.1 C L 300 ns t 10 Standard mode 300 ns Fall time of SDA signal, t FDA Fast mode 20 + 0.1 C L 300 ns t 11 Standard mode 1000 ns Rise time of SCL signal, t RCL Fast mode 20 + 0.1 C L 300 ns t 11A Standard mode 1000 ns Rise time of SCL signal after a repeated start condition and after an acknowledge bit, t RCL1 (not shown in Figure 3) Fast mode 20 + 0.1 C L 300 ns |
类似零件编号 - AD5121BCPZ10-RL7 |
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类似说明 - AD5121BCPZ10-RL7 |
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