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技术资料 / AD8401的技术资料
AD8401的技术资料
2009/4/16 15:43:56
深圳金特盈科技有限公司
AD8401的产品特征：
·2 μs ADC with T/H
·4-Channel MUX
·AD899 Compatible
·+5 Volt Operation
·On-Chip Reference
·4 ms Voltage Output DAC
·Fast Bus Access Time—75 ns
AD8401的技术参数：
Supply Voltage (VDD) . . . . . . . . . . . . . . . . . . . . . . . . . . . +8 V
Input Voltages . . . . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V
Output Short-Circuit Duration . . . . . . . . . . . . . . . . Indefinite
Package Power Dissipation . . . . . . . . . . . . . . (TJ max–TA)/θJA
Thermal Resistance θJA
28-Lead SOIC (R) . . . . . . . . . . . . . . . . . . . . . . . . . 53℃/W
Storage Temperature Range . . . . . . . . . . . . –65℃ to +150℃
Operating Temperature Range . . . . . . . . . . . . –40℃ to +85℃
Junction Temperature Range (TJ max) . . . . –65℃ to +150℃
Lead Temperature Range (Soldering, 60 sec) . . . . . . +300℃
AD8401的产品描述：
The AD8401 is a complete data acquisition and control system containing ADC, DAC, 4-channel MUX, and internal voltage reference. Built using CBCMOS, this monolithic circuit offers the user a complete system with very high package density and reliability.
The converter is a successive approximation ADC with T/H, and is capable of operating with conversion times as short as 2 ms. Analog input bandwidth is 200 kHz, and DAC output voltage settling time is less than 4 ms, making the AD8401 capable of controlling servo loops with speed and precision.
The 8-bit data interface provides both read and write operation for parallel bus interfaces to microcontrollers and DSP processors. An external 5 MHz clock sets the 2 ms conversion rate. Slower clocks reduce the conversion time and the internal power dissipation. The standard control lines: Reset, Busy, Interrupt, Read and Write complete the handshaking signals for microprocessor communication. A start trigger ST input allows precise sampling intervals in synchronous sampling applications. The input multiplexer addressing is designed for direct interface to the AD899 hard-disk drive, read-channel device with no extra hardware or special software. Analog input range levels are likewise compatible with the AD899.
The AD8401 is designed to operate from a single +5 volt supply, which will give an ADC input range of 0 V to 3.0 V, and DAC output range of 0 V to 2.5 V.
The AD8401 is offered in the SOIC-28 surface mount package, and is guaranteed to operate over the extended industrial temperature range of –40℃ to +85℃.
·2 μs ADC with T/H
·4-Channel MUX
·AD899 Compatible
·+5 Volt Operation
·On-Chip Reference
·4 ms Voltage Output DAC
·Fast Bus Access Time—75 ns
AD8401的技术参数：
Supply Voltage (VDD) . . . . . . . . . . . . . . . . . . . . . . . . . . . +8 V
Input Voltages . . . . . . . . . . . . . . . . . . . –0.3 V to VDD + 0.3 V
Output Short-Circuit Duration . . . . . . . . . . . . . . . . Indefinite
Package Power Dissipation . . . . . . . . . . . . . . (TJ max–TA)/θJA
Thermal Resistance θJA
28-Lead SOIC (R) . . . . . . . . . . . . . . . . . . . . . . . . . 53℃/W
Storage Temperature Range . . . . . . . . . . . . –65℃ to +150℃
Operating Temperature Range . . . . . . . . . . . . –40℃ to +85℃
Junction Temperature Range (TJ max) . . . . –65℃ to +150℃
Lead Temperature Range (Soldering, 60 sec) . . . . . . +300℃
AD8401的产品描述：
The AD8401 is a complete data acquisition and control system containing ADC, DAC, 4-channel MUX, and internal voltage reference. Built using CBCMOS, this monolithic circuit offers the user a complete system with very high package density and reliability.
The converter is a successive approximation ADC with T/H, and is capable of operating with conversion times as short as 2 ms. Analog input bandwidth is 200 kHz, and DAC output voltage settling time is less than 4 ms, making the AD8401 capable of controlling servo loops with speed and precision.
The 8-bit data interface provides both read and write operation for parallel bus interfaces to microcontrollers and DSP processors. An external 5 MHz clock sets the 2 ms conversion rate. Slower clocks reduce the conversion time and the internal power dissipation. The standard control lines: Reset, Busy, Interrupt, Read and Write complete the handshaking signals for microprocessor communication. A start trigger ST input allows precise sampling intervals in synchronous sampling applications. The input multiplexer addressing is designed for direct interface to the AD899 hard-disk drive, read-channel device with no extra hardware or special software. Analog input range levels are likewise compatible with the AD899.
The AD8401 is designed to operate from a single +5 volt supply, which will give an ADC input range of 0 V to 3.0 V, and DAC output range of 0 V to 2.5 V.
The AD8401 is offered in the SOIC-28 surface mount package, and is guaranteed to operate over the extended industrial temperature range of –40℃ to +85℃.
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