AD604 View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD604 Datasheet PDF : 32 Pages
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AD604
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
–DSX1 1
24 VGN1
+DSX1 2
23 VREF
PAO1 3
22 OUT1
FBK1 4
21 GND1
PAI1 5
COM1 6
COM2 7
AD604
TOP VIEW
20 VPOS
19 VNEG
(Not to Scale) 18 VNEG
PAI2 8
17 VPOS
FBK2 9
16 GND2
PAO2 10
15 OUT2
+DSX2 11
14 VOCM
–DSX2 12
13 VGN2
Figure 2. Pin Configuration
Table 3. Pin Function Descriptions
Pin
No. Mnemonic Description
1 –DSX1
Channel 1 Negative Signal Input to DSX1.
2 +DSX1
Channel 1 Positive Signal Input to DSX1.
3 PAO1
Channel 1 Preamplifier Output.
4 FBK1
Channel 1 Preamplifier Feedback Pin.
5 PAI1
Channel 1 Preamplifier Positive Input.
6 COM1
Channel 1 Signal Ground. When connected to positive supply, Preamplifier 1 shuts down.
7 COM2
Channel 2 Signal Ground. When connected to positive supply, Preamplifier 2 shuts down.
8 PAI2
Channel 2 Preamplifier Positive Input.
9 FBK2
Channel 2 Preamplifier Feedback Pin.
10 PAO2
Channel 2 Preamplifier Output.
11 +DSX2
Channel 2 Positive Signal Input to DSX2.
12 –DSX2
Channel 2 Negative Signal Input to DSX2.
13 VGN2
Channel 2 Gain Control Input and Power-Down Pin. If grounded, device is off; otherwise, positive voltage increases gain.
14 VOCM
Input to this pin defines the common mode of the output at OUT1 and OUT2.
15 OUT2
Channel 2 Signal Output.
16 GND2
Ground.
17 VPOS
Positive Supply.
18 VNEG
Negative Supply.
19 VNEG
Negative Supply.
20 VPOS
Positive Supply.
21 GND1
Ground.
22 OUT1
Channel 1 Signal Output.
23 VREF
Input to this pin sets gain scaling for both channels to 2.5 V = 20 dB/V and 1.67 V = 30 dB/V.
24 VGN1
Channel 1 Gain Control Input and Power-Down Pin. If grounded, the device is off; otherwise, positive voltage increases gain.
Rev. D | Page 6 of 32
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