APPLICATION SPECIFIC / IN-SYSTEM PROGRAMMING
Examples of applications where accumulated total input offset voltage from various
contributing sources is minimized under different sets of user-specified operating conditions
2500
TOTAL INPUT OFFSET VOLTAGE (µV)
TOTAL INPUT OFFSET VOLTAGE (µV)
2500
2000
1500
1000
500
0
-500
-1000
-1500
-2000
-2500
V
OS
BUDGET BEFORE
EPAD PROGRAMMING
V
OS
BUDGET AFTER
EPAD PROGRAMMING
2000
1500
1000
500
0
-500
-1000
-1500
-2000
-2500
EXAMPLE A
V
OS
BUDGET BEFORE
EPAD PROGRAMMING
V
OS
BUDGET AFTER
EPAD PROGRAMMING
+
X
+
X
EXAMPLE B
2500
2500
TOTAL INPUT OFFSET VOLTAGE (µV)
1500
1000
500
0
-500
-1000
-1500
-2000
-2500
EXAMPLE C
V
OS
BUDGET AFTER
EPAD PROGRAMMING
V
OS
BUDGET BEFORE
EPAD PROGRAMMING
TOTAL INPUT OFFSET VOLTAGE (µV)
2000
2000
1500
1000
500
0
-500
-1000
-1500
-2000
-2500
EXAMPLE D
V
OS
BUDGET BEFORE
EPAD PROGRAMMING
V
OS
BUDGET AFTER
EPAD PROGRAMMING
+
X
+
X
Device input V
OS
PSRR equivalent V
OS
Total Input V
OS
after EPAD
Programming
+
X
CMRR equivalent V
OS
T
A
equivalent V
OS
Noise equivalent V
OS
External Error equivalent V
OS
ALD1726E/ALD1726
Advanced Linear Devices
9
ALD [ ADVANCED LINEAR DEVICES ]
