Datasheet
REV. A–6–
AD8225–Typical Performance Characteristics
INPUT OFFSET VOLTAGE – V
50
20
0
–140 120–120
% OF UNITS
–80 –40 –20 0 20 40 60 80
45
25
15
5
35
30
10
40
LOT SIZE = 3775
–100 –60 100
TPC 1. Typical Distribution of Input Offset Voltage,
V
S
=
±
15 V
INPUT BIAS CURRENT – pA
50
20
0
–200 800–100
% OF UNITS
0 100 200 300 400 500 700
45
25
15
5
35
30
10
40
LOT SIZE = 7550
600
TPC 2. Typical Distribution of Input Bias Current,
V
S
=
±
15 V
INPUT OFFSET CURRENT – pA
50
20
0
–500 400–400
% OF UNITS
–300 –100 0 100 200 300
45
25
15
5
35
30
10
40
LOT SIZE = 3775
–200
TPC 3. Typical Distribution of Input Offset Current,
V
S
=
±
15 V
TEMPERATURE – C
250
–50
–60 100–40
BIAS CURRENT – pA
–20 0 20 40 60 80
200
150
100
50
0
+BIAS CURRENT
–BIAS CURRENT
TPC 4. Bias Current vs. Temperature
WARM-UP TIME – Min
8
6
0
051
CHANGE IN OFFSET VOLTAGE – V
234
4
2
TPC 5. Offset Voltage vs. Warm-Up Time
FREQUENCY – Hz
1000
100
0
1 100k10
VOLTAG E NOISE DENSITY – nV/ Hz
100 1k 10k
TPC 6. Voltage Noise Spectral Density vs. Frequency (RTI)
(T
A
= 25C, R
L
= 2 k, V
S
= 15 V, unless otherwise noted.)