参数资料
型号: AD7400YRWZ-REEL7
厂商: Analog Devices Inc
文件页数: 19/20页
文件大小: 0K
描述: IC MODULATOR SIGMA-DELTA 16-SOIC
标准包装: 400
类型: 调制器
分辨率(位): 16 b
采样率(每秒): 10M
数据接口: 串行
电压电源: 单电源
电源电压: 4.5 V ~ 5.25 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC W
包装: 带卷 (TR)
AD7400
Data Sheet
Rev. G | Page 8 of 20
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
04718-
004
NC = NO CONNECT
AD7400
TOP VIEW
(Not to Scale)
VDD1
VDD2
VIN+
VIN
GND2
VDD1/NC
GND1
1
2
3
NC
4
NC
5
NC
MCLKOUT
NC
16
15
14
NC
6
7
8
MDAT
NC
11
10
9
13
12
Figure 5. Pin Configuration
Table 8. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
VDD1
Supply Voltage. 4.5 V to 5.25 V. This is the supply voltage for the isolated side of the AD7400 and is relative to
GND1.
2
VIN+
Positive Analog Input. Specified range of ±200 mV.
3
VIN
Negative Analog Input. Normally connected to GND1.
4 to 6, 10, 12, 15
NC
No Connect.
7
VDD1/NC
Supply Voltage. 4.5 V to 5.25 V. This is the supply voltage for the isolated side of the AD7400 and is relative
to GND1.
No Connect (NC). If desired, Pin 7 may be allowed to float. It should not be tied to ground. The AD7400
will operate normally provided that the supply voltage is applied to Pin 1.
8
GND1
Ground 1. This is the ground reference point for all circuitry on the isolated side.
9, 16
GND2
Ground 2. This is the ground reference point for all circuitry on the nonisolated side.
11
MDAT
Serial Data Output. The single bit modulator output is supplied to this pin as a serial data stream.
The bits are clocked out on the rising edge of the MCLKOUT output and valid on the following
MCLKOUT rising edge.
13
MCLKOUT
Master Clock Logic Output. 10 MHz typical. The bit stream from the modulator is valid on the rising edge
of MCLKOUT.
14
VDD2
Supply Voltage. 3 V to 5.5 V. This is the supply voltage for the nonisolated side and is relative to GND2.
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