参数资料
型号: AD5422AREZ-REEL
厂商: Analog Devices Inc
文件页数: 5/44页
文件大小: 0K
描述: IC DAC 16BIT SRL 24TSSOP
设计资源: 16-Bit Fully Isolated Output Module Using AD5422 and ADuM1401 (CN0065)
Simplified 16-Bit Voltage Output and 4 mA-to-20 mA Output Solution Using AD5422 (CN0077)
标准包装: 2,500
设置时间: 25µs
位数: 16
数据接口: MICROWIRE?,串行,SPI?
转换器数目: 1
电压电源: 模拟和数字,双 ±
功率耗散(最大): 950mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm)裸露焊盘
供应商设备封装: 24-TSSOP 裸露焊盘
包装: 带卷 (TR)
输出数目和类型: 1 电流,单极;1 电流,双极;1 电压,单极;1 电压,双极
采样率(每秒): 40k
Data Sheet
AD5412/AD5422
Rev. I | Page 13 of 44
Pin No.
Mnemonic
Description
TSSOP
LFCSP
16
23
DVCC
SELECT
When connected to GND, this pin disables the internal supply, and an external supply
must be connected to the DVCC pin. Leave this pin unconnected to enable the internal
supply. See the AD5412/AD5422 Features section.
17
24
CCOMP
Optional compensation capacitor connection for the voltage output buffer. Connecting
a 4 nF capacitor between this pin and the VOUT pin allows the voltage output to drive up
to 1 μF. It should be noted that the addition of this capacitor reduces the bandwidth of
the output amplifier, increasing the settling time.
19
26
IOUT
Current Output Pin.
20
27
BOOST
Optional External Transistor Connection. Connecting an external transistor reduces the
power dissipated in the AD5412/AD5422. See the AD5412/AD5422 Features section.
N/A
28, 29
CAP1, CAP2
Connection for Optional Output Filtering Capacitor. See the AD5412/AD5422 Features
section.
21
32
VOUT
Buffered Analog Output Voltage. The output amplifier is capable of directly driving a
1 kΩ, 2000 pF load.
22
33
+VSENSE
Sense connection for the positive voltage output load connection.
23
34
VSENSE
Sense connection for the negative voltage output load connection.
24
36
AVDD
Positive Analog Supply Pin. Voltage ranges from 10.8 V to 60 V.
25 (EPAD)
41 (EPAD)
Exposed
paddle
Negative Analog Supply Pin. Voltage ranges from –3 V to –24 V. This paddle can be connected
to 0 V if the output voltage range is unipolar. The paddle can be left electrically unconnected
provided that a supply connection is made at the AVSS pin. It is recommended that the
paddle be thermally connected to a copper plane for enhanced thermal performance.
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