AD7401YRWZ-REEL 查看數據表（PDF） - Analog Devices
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AD7401YRWZ-REEL Datasheet PDF : 20 Pages
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AD7401
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
VDD1 1
VIN+ 2
VIN– 3
NC 4
NC 5
NC 6
VDD1 7
GND1 8
16 GND2
15 NC
AD7401 14 VDD2
TOP VIEW 13 MCLKIN
(Not to Scale) 12 NC
11 MDAT
10 NC
9 GND2
NC = NO CONNECT
Figure 5. Pin Configuration
Table 8. Pin Function Descriptions
Pin No. Mnemonic Description
1, 7
VDD1
Supply Voltage, 4.5 V to 5.25 V. This is the supply voltage for the isolated side of the AD7401 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, NC
12, 15
No Connect.
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 MCLKIN input and valid on the following MCLKIN rising edge.
13
MCLKIN
Master Clock Logic Input. 20 MHz maximum. The bit stream from the modulator is valid on the rising edge of MCLKIN.
14
VDD2
Supply Voltage. 3 V to 5.5 V. This is the supply voltage for the nonisolated side and is relative to GND2.
Rev. A | Page 8 of 20
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