ALD1721E ALD [Advanced Linear Devices], ALD1721E Datasheet - Page 8

• Manufacturer Part Number: ALD1721E
• Manufacturer: ALD [Advanced Linear Devices]

8
200
500
300
400
100
400
200
500
300
100
40
20
10
50
30
0
0
0
-0.5
0
-5
THREE EXAMPLES OF EQUIVALENT INPUT OFFSET VOLTAGE DUE TO
CHANGE IN COMMON MODE VOLTAGE vs. COMMON MODE VOLTAGE
TWO EXAMPLES OF EQUIVALENT INPUT OFFSET VOLTAGE DUE TO
EXAMPLE B:
V
PROGRAMMED
AT V
EXAMPLE OF MINIMIZING EQUIVALENT INPUT OFFSET VOLTAGE
OS
EPAD
IN
-0.4
-4
1
= -4.3V
CHANGE IN SUPPLY VOLTAGE vs. SUPPLY VOLTAGE
FOR A COMMON MODE VOLTAGE RANGE OF 0.5V
EXAMPLE A:
V
AT V
-0.3
-3
2
OS
CMRR = 80dB
EPAD PROGRAMMED
SUPPLY
-0.2
-2
3
Advanced Linear Devices
COMMON MODE VOLTAGE (V)
COMMON MODE VOLTAGE (V)
= +5V
SUPPLY VOLTAGE (V)
EXAMPLE A:
V
AT V
-0.1
-1
4
OS
EPAD PROGRAMMED
IN
= 0V
COMMON MODE VOLTAGE RANGE OF 0.5V
0.0
5
0
PSRR = 80 dB
0.1
6
1
EXAMPLE C:
V
AT V
OS
V
PROGRAMMED
AT COMMON MODE
VOLTAGE OF 0.25V
EPAD PROGRAMMED
IN
OS
V
CMRR = 80dB
SUPPLY
0.2
7
= +5V
2
EPAD
= 5V
EXAMPLE B:
V
PROGRAMMED
AT V
0.3
8
3
OS
EPAD
SUPPLY
0.4
9
4
= +8V
0.5
5
10
ALD1721E/ALD1721