參數資料
型號: AD7400YRWZ-REEL
廠商: Analog Devices Inc
文件頁數: 19/20頁
文件大?。?/td> 0K
描述: IC MODULATOR SIGMA-DELTA 16-SOIC
標準包裝: 1,000
類型: 調制器
分辨率(位): 16 b
采樣率(每秒): 10M
數據接口: 串行
電壓電源: 單電源
電源電壓: 4.5 V ~ 5.25 V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 16-SOIC(0.295",7.50mm 寬)
供應商設備封裝: 16-SOIC W
包裝: 帶卷 (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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