参数资料
型号: AD5744RCSUZ-REEL7
厂商: Analog Devices Inc
文件页数: 4/32页
文件大小: 0K
描述: IC DAC QUAD 14BIT 1LSB 32TQFP
产品培训模块: Data Converter Fundamentals
DAC Architectures
产品变化通告: AD5764(R), AD5744R Product Change 04/Sept/2009
标准包装: 500
设置时间: 10µs
位数: 14
数据接口: 串行
转换器数目: 4
电压电源: 模拟和数字,双 ±
功率耗散(最大): 387mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-TQFP
供应商设备封装: 32-TQFP(7x7)
包装: 带卷 (TR)
输出数目和类型: 4 电压,双极
采样率(每秒): *
AD5744R
Data Sheet
Rev. E | Page 12 of 32
Pin No.
Mnemonic
Description
23
VOUTA
Analog Output Voltage of DAC A. Buffered output with a nominal full-scale output range of ±10 V. The output
amplifier is capable of directly driving a 10 kΩ, 200 pF load.
24
AGNDA
Ground Reference Pin for DAC A Output Amplifier.
25
REFAB
External Reference Voltage Input for Channel A and Channel B. The reference input range is 1 V to 7 V, and it
programs the full-scale output voltage. VREFIN = 5 V for specified performance.
26
REFCD
External Reference Voltage Input for Channel C and Channel D. The reference input range is 1 V to 7 V, and it
programs the full-scale output voltage. VREFIN = 5 V for specified performance.
27
REFOUT
Reference Output. This is the reference output from the internal voltage reference. The internal reference is 5 V ±
3 mV at 25°C, with a reference temperature coefficient of 10 ppm/°C.
28
REFGND
Reference Ground Return for the Reference Generator and Buffers.
29
TEMP
This pin provides an output voltage proportional to temperature. The output voltage is 1.47 V typical at 25°C die
temperature; variation with temperature is 5 mV/°C.
32
BIN/2sCOMP
This pin determines the DAC coding. This pin should be hardwired to either DVCC or DGND. When hardwired to
DVCC, input coding is offset binary (see Table 7). When hardwired to DGND, input coding is twos complement
(see Table 8).
1 Internal pull-up device on this logic input. Therefore, it can be left floating; and it defaults to a logic high condition.
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