Datasheet

AD605
Rev. F | Page 8 of 24
VGN (V)
GAIN ERROR
2.0
1.0
1.5
0.5
0
–0.5
–1.0
–1.5
–2.0
0.2 0.7 1.71.2 2.2 2.7
00541-009
20dB/V
V
REF
= 2.50V
30dB/V
V
REF
= 1.67V
Figure 9. Gain Error vs. VGN for Two Gain Scale Values
DELTA GAIN (dB)
PERCENTAGE
20
6
0
–0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8
18
8
4
2
16
12
14
10
ΔG(dB) = G(CH1) – G(CH2)
N = 50
00541-010
Figure 10. Gain Match, VGN1 = VGN2 = 1.0 V
00541-011
DELTA GAIN (dB)
PERCENTAGE
20
6
0
–0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8
18
8
4
2
16
12
14
10
ΔG(dB) = G(CH1) – G(CH2)
N = 50
Figure 11. Gain Match, VGN1 = VGN2 = 2.50 V
FREQUENCY (Hz)
GAIN (dB)
60
40
–60
0
–20
–40
20
VGN = 2.9V (FBK = OPEN)
VGN = 2.9V (FBK = SHORT)
VGN = 1.5V (FBK = OPEN)
VGN = 1.5V (FBK = SHORT)
VGN = 0.1V (FBK = OPEN)
VGN = 0.1V (FBK = SHORT)
VGN = 0.0V
00541-013
100k
1M 10M 100M
Figure 12. AC Response for Three Values of VGN
VGN (V)
V
OS
(V)
2.525
2.475
0
2.520
2.495
2.490
2.485
2.480
2.515
2.510
2.500
2.505
V
OCM
= 2.50V
–40°C
+25°C
+85°C
00541-014
0.5 1.0 1.5 2.0 2.5 3.0
Figure 13. Output Offset vs. VGN at Three Temperatures
00541-015
VGN (V)
130
90
125
110
105
100
95
120
115
0 0.5 1.0 1.5 2.0 2.5 3.0
+85°C
+25°C
NOISE (nV/ Hz)
–40°C
Figure 14. Output Referred Noise vs. VGN at Three Temperatures