Intersil ISL28117, Руководство пользователя

Страница: 17 / 35

ISL28117, ISL28217, ISL28417
17
November 30, 2012
FN6632.10
FIGURE 41. PSRR vs FREQUENCY, V
S
= ±5V, ±15V FIGURE 42. FREQUENCY RESPONSE vs CLOSED LOOP GAIN
FIGURE 43. FREQUENCY RESPONSE vs FEEDBACK RESISTANCE
R
f
/R
g
FIGURE 44. GAIN vs FREQUENCY vs R
L
FIGURE 45. GAIN vs FREQUENCY vs C
L
FIGURE 46. GAIN vs FREQUENCY vs SUPPLY VOLTAGE
Typical Performance Curves
V
S
= ±15V, V
CM
= 0V, R
L
= Open, unless otherwise specified.
(Continued)
0
PS
RR
(dB)
100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
10
20
40
60
80
100
120
-10
10
30
50
70
90
110
R
L
= INF
AV = +1
V
CM
= 1V
P-P
C
L
= 4pF
PSRR+ AND PSRR- V
S
= ±15V
PSRR+ AND PSRR- V
S
= ±2.25V
FREQUENCY (Hz)
GA
IN (
d
B
)
100k 1M 10M 10 10k 1k
-10
0
10
20
30
40
50
60
70
100
AV = 1
AV = 100
AV = 1000
V
S
= ±20V
V
OUT
= 50mV
P-P
C
L
= 4pF
R
L
= 10k
R
g
= 10k, R
f
= 100k
AV = 10
R
g
= 1k, R
f
= 100k
R
g
= OPEN, R
f
= 0
R
g
= 100, R
f
= 100k
N
O
RM
AL
IZE
D
G
A
IN
(
d
B)
-10
-8
-6
-4
-2
0
2
4
-16
-14
-12
FREQUENCY (Hz)
100k 1M 10M 10 10k 1k 100
R
f
= R
g
= 100k
R
f
= R
g
= 100
R
f
= R
g
= 10k
R
f
= R
g
= 1k
V
S
= ±20V
R
L
= 10k
AV = +2
V
OUT
= 50mV
P-P
C
L
= 4pF
FREQUENCY (Hz)
100k 1M 10M 10 10k 1k 100
GAI
N
(
d
B)
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
V
S
= ±20V
AV = +1
V
OUT
= 50mV
P-P
C
L
= 4pF
R
L
= 499
R
L
= 100
R
L
= 4.99k
R
L
= 10k
R
L
= 1k
FREQUENCY (Hz)
100k 1M 10M 10
10k 1k
100
G
A
IN (
d
B
)
-8
-6
-4
-2
0
2
4
6
8
10
12
V
S
= ±2.5V
R
L
= 10k
AV = +1
V
OUT
= 50mV
P-P
C
L
= 0.01µF
C
L
= 270pF
C
L
= 47pF
C
L
= 1000pF
C
L
= 470pF
C
L
= 4pF
C
L
= 100pF
FREQUENCY (Hz)
100k 1M 10M 10 10k 1k 100
G
A
IN
(
d
B)
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
C
L
= 4pF
R
L
= 10k
AV = +1
V
OUT
= 50mV
P-P
V
S
= ±5V
V
S
= ±20V
V
S
= ±2.25V
V
S
= ±15V