CA3440 Intersil Corporation, CA3440 Datasheet - Page 3

• Manufacturer Part Number: CA3440
• Description: 63kHz/ Nanopower/ BiMOS Operational Amplifiers
• Manufacturer: Intersil Corporation

Schematic Diagram
Application Information
As R
while the BW/SR also decrease.
Operating at a +5V single supply, the CA3440 exhibits the
following characteristics:
FIGURE 1. NANOPOWER OP AMP (SUPPLY CURRENT PRO-
100M
SET
10M
R
1M
1G
SET
is increased, I
NON-INVERTING
GRAMMABLE USING R
BIAS CURRENT, 4.0V TO 15V SUPPLY
HIGH GAIN
+
STAGE 1
INVERTING
-
FET
INPUT
100dB
STANDBY
I
SET
POWER
250 W
250nW
INPUT
2.5 W
Q
25 W
P1
8
SET
I
SET
2
3
D
and the standby power decrease
BIAS
1
R
Q
SET
164kHz
3
SET
2.6kHz
FET/
BIPOLAR
OUTPUT
27kHz
78kHz
5
BW
Q
P7
D
), 1pA TYPICAL INPUT
STAGE 2
OUTPUT
BUFFER
2
LOW Z
Q
D
Q
3
P2
P8
1
Q
0.00017V/ s
4
0.0017V/ s
0.017V/ s
0.17V/ s
SR
D
4
Q
CA3440
30pF
P3
3-148
Q
Q
P11
N9
The CA3440 is pin compatible with the 741 except that pins
1 and 5 (typical negative nulling pins) must be connected
either directly to pin 4 or to a negative nulling potentiometer.
In addition, pin 8, the I
either ground or -V via R
FIGURE 2. NANOPOWER OP AMP (USABLE STANDBY
Q
Q
5
P4
Q
6
Q
POWER vs PROGRAMMING RESISTOR R
P5
Q
Q
200
N10
D
P12
R
6
1
Q
2
2
3
D
5
SET
SET
1
-
CA3440
+
Q
5
.
P6
terminal, must be returned to
+5V
7
4
8
Q
Q
R
I
R
30
R
30
SET
1
7
SET
2
3
6
7 V+
6
4
OUTPUT
V-
SET
)