Datasheet

ADA4939-1/ADA4939-2
Rev. 0 | 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
ADA4939-1
TOP VIEW
(Not to Scale)
PIN 1
INDICATOR
07429-005
Figure 5. ADA4939-1 Pin Configuration
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)
ADA4939-2
–IN1
+
FB1
+V
S1
+V
S1
–
FB2
+IN2
–V
S2
–V
S2
V
OCM1
+OUT1
PD2
–OUT2
–I
N2
+FB2
+V
S2
V
OCM2
+OUT2
+V
S2
–V
S1
–V
S1
–
FB1
PD1
–OUT1
0
7429-006
Figure 6. ADA4939-2 Pin Configuration
Table 9. ADA4939-1 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
Table 10. ADA4939-2 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