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參數(shù)資料
| 型號： | AD7400AYRWZ-RL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 19/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MODULATOR SIGMA-DELTA 16SOIC |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 調(diào)制器 |
| 分辨率（位）： | 16 b |
| 采樣率（每秒）： | 10M |
| 數(shù)據(jù)接口： | 串行 |
| 電壓電源： | 單電源 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC W |
| 包裝： | 帶卷 (TR) |
AD7400A
Data Sheet
Rev. D | Page 8 of 20
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
070
77-
1
04
NC = NO CONNECT
AD7400A
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 5.5 V. This is the supply voltage for the isolated side of the AD7400A and is
relative to GND1.
2
VIN+
Positive Analog Input. Specified range of ±250 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 5.5 V. This is the supply voltage for the isolated side of the AD7400A and is
relative to GND1.
No Connect (NC). If desired, Pin 7 of the SOIC device may be allowed to float. It should not be tied
to ground. The AD7400A 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 are 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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