Datasheet
ADA4927-1/ADA4927-2
Rev. A | Page 8 of 24
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
1–FB
2+IN
3–IN
4+FB
11 –OUT
12 PD
10 +OUT
9V
OCM
5
+V
S
6
+V
S
7
+V
S
8
+V
S
15
–V
S
16
–V
S
14
–V
S
13
–V
S
ADA4927-1
TOP VIEW
(Not to Scale)
PIN 1
INDICATOR
PIN 1
INDICATOR
1
2
3
4
5
6
15
16
17
18
14
13
7
8
9
11
12
10
21
22
23
24
+IN1
20
19
TOP VIEW
(Not to Scale)
ADA4927-2
NOTES
1. CONNECT THE EXPOSED PADDLE TO ANY PLANE
BETWEEN AND INCLUDING +V
S
AND –V
S
.
07574-005
Figure 5. ADA4927-1 Pin Configuration
Table 9. ADA4927-1 Pin Function Descriptions
Pin No. Mnemonic Description
1 −FB
Negative Output for Feedback
Component Connection
2 +IN Positive Input Summing Node
3 −IN Negative Input Summing Node
4 +FB
Positive Output for Feedback
Component Connection
5 to 8 +V
S
Positive Supply Voltage
9 V
OCM
Output Common-Mode Voltage
10 +OUT Positive Output for Load Connection
11 −OUT Negative Output for Load Connection
12
PD
Power-Down Pin
13 to 16 −V
S
Negative Supply Voltage
17 (EPAD)
Exposed
Pad (EPAD)
Connect the exposed pad to any
plane between and including
+V
S
and −V
S
.
–IN1
+
FB1
+V
S1
+V
S1
–
FB2
+IN2
–V
S2
–V
S2
V
OCM1
+OUT1
PD2
–OUT2
–IN2
+F
B2
+V
S2
V
OCM2
+OUT2
+V
S2
–V
S1
–V
S1
–FB1
PD1
–OUT1
NOTES
1. CONNECT THE EXPOSED PADDLE TO ANY PLANE
BETWEEN AND INCLUDING +V
S
AND –V
S
.
7574-006
0
Figure 6. ADA4927-2 Pin Configuration
Table 10. ADA4927-2 Pin Function Descriptions
Pin No. Mnemonic Description
1 −IN1 Negative Input Summing Node 1
2 +FB1 Positive Output Feedback 1
3, 4 +V
S1
Positive Supply Voltage 1
5 −FB2
Negative Output Feedback 2
6 +IN2
Positive Input Summing Node 2
7 −IN2
Negative Input Summing Node 2
8 +FB2
Positive Output Feedback 2
9, 10 +V
S2
Positive Supply Voltage 2
11 V
OCM2
Output Common-Mode Voltage 2
12 +OUT2
Positive Output 2
13 −OUT2
Negative Output 2
14
PD2
Power-Down Pin 2
15, 16 −V
S2
Negative Supply Voltage 2
17 V
OCM1
Output Common-Mode Voltage 1
18 +OUT1 Positive Output 1
19 −OUT1
Negative Output 1
20
PD1
Power-Down Pin 1
21, 22 −V
S1
Negative Supply Voltage 1
23 −FB1
Negative Output Feedback 1
24 +IN1
Positive Input Summing Node 1
25 (EPAD)
Exposed
Pad (EPAD)
Connect the exposed pad to any
plane between and including
+V
S
and −V
S
.