ISL28117, ISL28217, ISL28417
16
November 30, 2012
FN6632.10
FIGURE 35. INPUT NOISE VOLTAGE 0.1Hz to 10Hz
FIGURE 36. INPUT NOISE VOLTAGE SPECTRAL DENSITY
FIGURE 37. INPUT NOISE CURRENT SPECTRAL DENSITY
FIGURE 38. OPEN-LOOP GAIN, PHASE vs FREQUENCY, R
L
= 10k
Ω,
C
L
= 10pF
FIGURE 39. OPEN-LOOP GAIN, PHASE vs FREQUENCY, R
L
= 10k
Ω,
C
L
= 100pF
FIGURE 40. CMRR vs FREQUENCY, V
S
= ±2.25, ±5V, ±15V
Typical Performance Curves
V
S
= ±15V, V
CM
= 0V, R
L
= Open, unless otherwise specified.
(Continued)
TIME (s)
INP
U
T NOI
S
E
VO
LT
AGE (nV)
0
1
2
3
4
5
6
7
8
9
10
-250
-200
-150
-100
-50
0
50
100
150
200
250
V+ = 36.4V
R
g
= 10, R
f
= 100k
AV = 10,000
FREQUENCY (Hz)
1
10
100
1
10
100
1k
10k
100k
IN
PUT NO
IS
E
VOL
TAGE
(
n
V
/
√
Hz)
V
S
= ±18.2V
AV = 1
FREQUENCY (Hz)
1
10
100
1k
10k
100k
1
IN
P
U
T NOISE
CURRENT
(pA
/
√
Hz)
0.1
V
S
= ±18.2V
AV = 1
O
PEN LOO
P
GAIN (dB)/P
HAS
E
(
°)
FREQUENCY (Hz)
-100
-80
-60
-40
-20
0
20
40
60
80
100
120
140
160
180
200
0.1m 1m 10m 100m
1
10
100
1k
10k 100k 1M 10M 100M
R
L
= 10k
SIMULATION
C
L
= 10pF
GAIN
PHASE
O
PEN LOO
P
GAIN (dB)/P
HAS
E
(
°)
FREQUENCY (Hz)
-100
-80
-60
-40
-20
0
20
40
60
80
100
120
140
160
180
200
0.1m 1m 10m 100m
1
10 100
1k 10k 100k 1M 10M 100M
R
L
= 10k
SIMULATION
C
L
= 100pF
GAIN
PHASE
CMRR (dB)
FREQUENCY (Hz)
0
20
40
60
80
100
120
140
160
180
200
220
1m 10m 100m
1
10
100
1k
10k 100k 1M 10M 100M
R
L
= INF
SIMULATION
C
L
= 10pF
V
S
= ±2.5V
V
S
= ±5V
V
S
= ±15V
