ALD1721EDA ALD [Advanced Linear Devices], ALD1721EDA Datasheet - Page 9

• Manufacturer Part Number: ALD1721EDA
• Manufacturer: ALD [Advanced Linear Devices]

ALD1721E
400
300
200
500
100
200
500
400
300
100
50
40
30
20
10
0
0
0
TYPICAL PERFORMANCE CHARACTERISTICS
-0.5
-5
0
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
-3
-0.3
EXAMPLE A:
V
AT V
2
OS
CMRR = 80dB
EPAD PROGRAMMED
SUPPLY
-0.2
Advanced Linear Devices
-2
3
COMMON MODE VOLTAGE (V)
COMMON MODE VOLTAGE (V)
= +5V
SUPPLY VOLTAGE (V)
EXAMPLE A:
V
AT V
-1
-0.1
4
OS
EPAD PROGRAMMED
IN
= 0V
COMMON MODE VOLTAGE RANGE OF 0.5V
0.0
0
5
PSRR = 80 dB
0.1
1
6
EXAMPLE C:
V
AT V
OS
V
PROGRAMMED
AT COMMON MODE
VOLTAGE OF 0.25V
EPAD PROGRAMMED
IN
V
CMRR = 80dB
OS
SUPPLY
0.2
= +5V
2
7
EPAD
= 5V
0.3
EXAMPLE B:
V
PROGRAMMED
AT V
3
8
OS
EPAD
SUPPLY
0.4
4
9
(cont'd)
= +8V
0.5
5
10
9 of 13