ISL55191 Datasheet, PDF (13/18 Pages) Intersil Corporation – Single and Dual Ultra-Low Noise, Ultra-Low Distortion, Rail-to-Rail, Low Power Op Amp

ISL55191, ISL55291
Pin Descriptions
ISL55191 ISL55191
ISL55291
(8 LD SOIC) (8 LD DFN) (10 LD MSOP) PIN NAME
FUNCTION
5
6
NC
Not connected
2
3
2 (A)
IN-
Inverting input
8 (B)
EQUIVALENT CIRCUIT
V+
IN-
IN+
3
4
3 (A)
IN+
Non-inverting input
7 (B)
4
5
4
V-
Negative supply
6
7
1 (A)
OUT Output
9 (B)
V-
Circuit 1
(See circuit 1)
V+
OUT
7
8
10
V+
Positive supply
5 (A)
6 (B)
EN
Enable pin with internal pull-
down referenced to the -V pin;
Logic “1” selects the disabled
state; Logic “0” selects the
enabled state.
8
1
EN
Enable pin with internal pull-
down referenced to the -V pin;
Logic “0” (-V) selects the
disabled state; Logic “1” (+V)
selects the enabled state.
1
2
FEEDBACK Feedback pin to reduce IN-
capacitance
V-
Circuit 2
EN
Circuit 3a
EN
Circuit 3b
V+
V-
V+
V-
V+
FEEDBACK
OUT
V-
Circuit 4
13
FN6263.1
March 30, 2007