
ISL28108, ISL28208, ISL28408
FN6935.5
March 4, 2014
FIGURE 51. INPUT NOISE VOLTAGE (en) AND CURRENT (in) vs
FREQUENCY, VS = ±18V
FIGURE 52. INPUT NOISE VOLTAGE (en) AND CURRENT (in) vs
FREQUENCY, VS = ±5V
FIGURE 53. INPUT NOISE VOLTAGE 0.1Hz TO 10Hz, VS = ±18V
FIGURE 54. INPUT NOISE VOLTAGE 0.1Hz TO 10Hz, VS = ±5V
FIGURE 55. ISL28208 CHANNEL SEPARATION vs FREQUENCY,
VS = ±5V, ±15V
FIGURE 56. POSITIVE OUTPUT OVERLOAD RESPONSE TIME,
VS =±15V
Typical Performance Curves V
S = ±15V, VCM = 0V, RL = Open, TA = +25°C, unless otherwise specified. (Continued)
0.1
1
10
100
1k
10k
100k
IN
P
U
T
N
O
IS
E
V
O
L
T
A
G
E
(n
V
/√
H
z)
FREQUENCY (Hz)
IN
P
U
T
N
O
IS
E
C
U
R
E
N
T
(p
A
/√
H
z)
0.01
0.1
1
10
100
0.01
0.1
1
10
100
VS = ±18V
INPUT NOISE VOLTAGE
INPUT NOISE CURRENT
0.1
1
10
100
1k
10k
100k
IN
P
U
T
N
O
IS
E
V
O
L
T
A
G
E
(n
V
/√
H
z)
FREQUENCY (Hz)
IN
P
U
T
N
O
IS
E
C
U
R
E
N
T
(p
A
/√
H
z)
0.01
0.1
1
10
100
VS = ±5V
0.01
0.1
1
10
100
INPUT NOISE VOLTAGE
INPUT NOISE CURRENT
IN
P
U
T
N
O
IS
E
V
O
LTA
G
E
(nV
)
012
3456
789
10
TIME (s)
-1000
-800
-600
-400
-200
0
200
400
600
800
1000
VS = ±18V
AV = 10k
IN
P
U
T
N
O
IS
E
V
O
LTA
G
E
(nV
)
012
345
6789
10
TIME (s)
-1000
-800
-600
-400
-200
0
200
400
600
800
1000
VS = ±5V
AV = 10k
10
100
1k
10k
100k
1M
10M
C
R
O
S
T
A
L
K
(d
B
)
FREQUENCY (Hz)
0
20
40
60
80
100
120
140
160
VS = ±15V
CL = 4pF
VTX = 1VP-P
RL_TRANSMIT = ∞
RL_RECEIVE = 10k
RL_TRANSMIT = 2k
RL_RECEIVE = 10k
O
U
T
P
U
T
(V
)
IN
P
U
T
(m
V
)
TIME (s)
0
4
8
12
16
20
0
40
80
120
160
200
0
20
40
60
80
100 120 140 160 180 200
VS = ±15V
AV = 100
VIN = 100mVP-P
OVERDRIVE = 1V
RL = 10k
OUTPUT
INPUT