TYPICAL PERFORMANCE CHARACTERISTICS (cont'd)
COMMON MODE INPUT VOLTAGE RANGE
AS A FUNCTION OF SUPPLY VOLTAGE
OPEN LOOP VOLTAGE GAIN AS A
FUNCTION OF LOAD RESISTANCE
1000
100
10
±7
±6
T
= 25°C
A
±5
±4
±3
±2
±1
0
V
T
= ±2.5V
= 25°C
S
A
1
0
±1
±2
±3
±4
±5
±6
±7
10K
100K
1M
10M
SUPPLY VOLTAGE (V)
LOAD RESISTANCE (Ω)
LARGE - SIGNAL TRANSIENT
RESPONSE
LARGE - SIGNAL TRANSIENT
RESPONSE
5V/div
V
T
R
= ±2.5V
S
2V/div
V
T
R
= ±1.0V
= 25°C
= 100KΩ
= 50pF
S
A
L
L
= 25°C
A
= 100KΩ
= 50pF
L
L
C
C
500mV/div
5µs/div
2V/div
5µs/div
SMALL - SIGNAL TRANSIENT
RESPONSE
DISTRIBUTION OF TOTAL INPUT OFFSET VOLTAGE
BEFORE AND AFTER EPAD PROGRAMMING
100
80
EXAMPLE B:
AFTER EPAD
EXAMPLE A:
V AFTER EPAD
100mV/div
V
T
= ±2.5V
= 25°C
S
A
V
OST
PROGRAMMING
TARGET = -750µV
OST
PROGRAMMING
V TARGET = 0.0µV
OST
V
R
C
= 100KΩ
= 50pF
OST
L
L
60
40
V
BEFORE EPAD
OST
PROGRAMMING
20
0
20mV/div
2µs/div
-2500 -2000
-1500
-500
0
500
1000
1500
2000
2500
-1000
TOTAL INPUT OFFSET VOLTAGE (µV)
ALD1721E
Advanced Linear Devices
8 of 13
ALD [ ADVANCED LINEAR DEVICES ]
