Datasheet

Data Sheet ADA4857-1/ADA4857-2
Rev. C | Page 7 of 20
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
1PD
2FB
3–IN
4+IN
7 OUT
8 +V
S
6 NC
5 –V
S
ADA4857-1
07040-005
TOP VIEW
(Not to Scale)
NOTES
1. NC = NO CONNECT. DO NOT CONNECT
TO THIS PIN.
2. THE EXPOSED PAD MAY BE CONNECTED
TO GND OR VS.
Figure 5. 8-Lead LFCSP Pin Configuration
FB
1
–IN
2
+IN
3
–V
S
4
PD
8
+V
S
7
OUT
6
NC
5
NC = NO CONNECT
ADA4857-1
07040-006
TOP VIEW
(Not to Scale)
Figure 6. 8-Lead SOIC Pin Configuration
Table 5. 8-Lead LFCSP Pin Function Descriptions
Pin No. Mnemonic Description
1 PD Power Down.
2 FB Feedback.
3 −IN Inverting Input.
4 +IN Noninverting Input.
5 −V
S
Negative Supply.
6 NC No Connect.
7 OUT Output.
8 +V
S
Positive Supply.
EP
GND or V
S
Exposed Pad. The exposed pad
may be connected to GND or V
S
.
Table 6. 8-Lead SOIC Pin Function Descriptions
Pin No. Mnemonic Description
1 FB Feedback.
2 −IN Inverting Input.
3 +IN Noninverting Input.
4 −V
S
Negative Supply.
5 NC No Connect.
6 OUT Output.
7 +V
S
Positive Supply.
8 PD Power Down.