AD5934 데이터 시트보기 (PDF) - Analog Devices
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AD5934 Datasheet PDF : 32 Pages
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PIN CONFIGURATION AND DESCRIPTIONS
AD5934
NC 1
NC 2
NC 3
RFB 4
VIN 5
VOUT 6
NC 7
MCLK 8
AD5934
TOP VIEW
(Not to Scale)
16 SCL
15 SDA
14 AGND2
13 AGND1
12 DGND
11 AVDD2
10 AVDD1
9 DVDD
NC = NO CONNECT
Figure 3. Pin Configuration
It is recommended to tie all supply connections (Pin 9, Pin 10, and Pin 11) and run from a single supply between 2.7 V and 5.5 V. It is also
recommended to connect all ground signals together (Pin 12, Pin 13, and Pin 14).
Table 5. Pin Function Descriptions
Pin No. Mnemonic Description/comment
1, 2, 3, 7 NC
No Connect.
4
RFB
External Feedback Resistor. Connected from Pin 4 to Pin 5 and used to set the gain of the current-to-voltage
amplifier on the receive side.
5
VIN
Input to Receive Transimpedance Amplifier. Presents a virtual earth voltage of VDD/2.
6
VOUT
Excitation Voltage Signal Output.
8
MCLK
Master Clock for the System. Supplied by user.
9
DVDD
Digital Supply Voltage.
10
AVDD1
Analog Supply Voltage 1.
11
AVDD2
Analog Supply Voltage 2.
12
DGND
Digital Ground.
13
AGND1
Analog Ground 1.
14
AGND2
Analog Ground 2.
15
SDA
I2C Data Input.
16
SCL
I2C Clock Input.
Rev. 0 | Page 7 of 32
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