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AD5243BRM10 数据表(PDF) 5 Page - Analog Devices |
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AD5243BRM10 数据表(HTML) 5 Page - Analog Devices |
5 / 20 page AD5243/AD5248 Rev. 0 | Page 5 of 20 TIMING CHARACTERISTICS—ALL VERSIONS VDD = 5V ± 10%, or 3V ± 10%; VA = VDD; VB = 0 V; −40°C < TA < +125°C; unless otherwise noted. Table 3. Parameter Symbol Conditions Min Typ1 Max Unit I2C INTERFACE TIMING CHARACTERISTICS10 (Specifications Apply to All Parts) SCL Clock Frequency fSCL 0 400 kHz tBUF Bus Free Time between STOP and START t1 1.3 µs tHD;STA Hold Time (Repeated START) t2 After this period, the first clock pulse is generated. 0.6 µs tLOW Low Period of SCL Clock t3 1.3 µs tHIGH High Period of SCL Clock t4 0.6 µs tSU;STA Setup Time for Repeated START Condition t5 0.6 µs tHD;DAT Data Hold Time11 t6 0.9 µs tSU;DAT Data Setup Time t7 100 ns tF Fall Time of Both SDA and SCL Signals t8 300 ns tR Rise Time of Both SDA and SCL Signals t9 300 ns tSU;STO Setup Time for STOP Condition t10 0.6 µs See notes at end of section. NOTES 1 Typical specifications represent average readings at 25°C and VDD = 5 V. 2 Resistor position nonlinearity error R-INL is the deviation from an ideal value measured between the maximum resistance and the minimum resistance wiper positions. R-DNL measures the relative step change from ideal between successive tap positions. Parts are guaranteed monotonic. 3 VAB = VDD, wiper (VW) = no connect. 4 INL and DNL are measured at VW with the RDAC configured as a potentiometer divider similar to a voltage output D/A converter. VA = VDD and VB = 0 V. DNL specification limits of ±1 LSB maximum are guaranteed monotonic operating conditions. 5 Resistor terminals A, B, W have no limitations on polarity with respect to each other. 6 Guaranteed by design and not subject to production test. 7 Measured at the A terminal. The A terminal is open circuited in shutdown mode. 8PDISS is calculated from (IDD × VDD). CMOS logic level inputs result in minimum power dissipation. 9All dynamic characteristics use VDD = 5 V. 10See timing diagrams for locations of measured values. 11The maximum tHD:DAT must be met only if the device does not stretch the low period (tLOW) of the SCL signal. |
类似零件编号 - AD5243BRM10 |
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类似说明 - AD5243BRM10 |
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