el5420t Intersil Corporation, el5420t Datasheet - Page 10

• Manufacturer Part Number: el5420t
• Description: 12mhz Rail-to-rail Input-output Operational Amplifier
• Manufacturer: Intersil Corporation

Typical Performance Curves
Pin Descriptions
14 LD TSSOP,
14 LD SOIC
FIGURE 25. LARGE SIGNAL TRANSIENT RESPONSE
6V STEP
1
2
3
4
5
6
7
8
9
EL5420T
16 LD QFN
15
1
2
3
4
5
6
7
8
VOUTA
VOUTB
1µs/DIV
VINA+
VINB+
10
C
C
PIN NAME
LA
LB
VOUTB
VOUTC
VOUTA
VINA+
VINB+
49.9
49.9
VINC-
VINA-
VINB-
VS+
(Continued)
V
R
R
LA
LB
S+
4.7µF
V
T
A
R
C
A
S
V
L
L
+
= 10kΩ
= +25°C
= ±5V
= 1
=8pF
FIGURE 27. BASIC TEST CIRCUIT
Amplifier A Output
Amplifier A Inverting Input
Amplifier A Non-Inverting Input
Positive Power Supply
Amplifier B Non-Inverting Input
Amplifier B Inverting Input
Amplifier B Output
Amplifier C Output
Amplifier C Inverting Input
0
0
0.1µF
(14LD TSSOP/SOIC shown)
1
2
3
4
6
7
5
VOUTA
VINA-
VINA+
Vs+
VINB+
VINB-
VOUTB
EL5420T
EL5420T
FUNCTION
VOUTD
VOUTC
VIND+
VINC+
VIND-
VINC-
Vs-
100mV STEP
14
13
12
10
9
8
11
FIGURE 26. SMALL SIGNAL TRANSIENT RESPONSE
0.1µF
0
0
+
4.7µF
R
V
R
LD
LC
S-
49.9
49.9
C
C
LD
LC
200ns/DIV
VIND+
VINC+
VOUTD
VOUTC
EQUIVALENT CIRCUIT
(Reference Circuit 1)
(Reference Circuit 2)
(Reference Circuit 2)
(Reference Circuit 2)
(Reference Circuit 2)
(Reference Circuit 1)
(Reference Circuit 1)
(Reference Circuit 2)
V
T
A
R
C
September 25, 2009
A
S
V
L
L
= 10kΩ
= +25°C
= ±5V
= 1
=8pF
FN6838.0