参数资料
型号: AD8139ARD
厂商: ANALOG DEVICES INC
元件分类: 运算放大器
英文描述: Low Noise Rail-to-Rail Differential ADC Driver
中文描述: OP-AMP, 500 uV OFFSET-MAX, PDSO8
封装: MS-012, SOIC-8
文件页数: 7/24页
文件大小: 678K
代理商: AD8139ARD
AD8139
Rev. B | Page 15 of 24
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
1
10
100
500
FREQUENCY (MHz)
P
S
RR
(
d
B)
RL, dm = 1k
PSRR = ΔVO, dm/ΔVS
–PSRR
+PSRR
0
46
79
-0
47
Figure 43. PSRR vs. Frequency
100
0.01
0.1
1
10
0.1
1
10
100
1000
FREQUENCY (MHz)
OU
TP
U
T
IMP
E
D
A
N
C
E
(
)
VS = +5V
VS = ±5V
0
46
79
-0
28
Figure 44. Single-Ended Output Impedance vs. Frequency
700
–700
–600
–500
–400
–300
–200
–100
0
100
200
300
400
500
600
100
1k
10k
RESISTIVE LOAD ()
S
IN
G
L
E
-E
N
D
E
D
OU
TP
U
T
S
W
IN
G
F
R
OM
R
A
IL
(
m
V
)
VS+ – VOP
VON – VS–
VS = +5V
VS = ±5V
0
46
79
-0
68
Figure 45. Output Saturation Voltage vs. Output Load
–14
–12
–10
–8
–6
–4
–2
0
2
4
6
8
10
12
14
TIME (ns)
VO
L
T
A
G
E
(V
)
50ns/DIV
VO, dm
2 × VIN, dm
G = 2
0
467
9-
0
46
Figure 46. Overdrive Recovery
0
–80
–70
–60
–50
–40
–30
–20
–10
1
10
100
500
FREQUENCY (MHz)
OU
TP
U
T
B
A
L
A
N
C
E
(d
B
)
VO, dm = 1V p-p
OUTPUT BALANCE = ΔVO, cm/ΔVO, dm
0
46
79
-0
67
Figure 47. Output Balance vs. Frequency
50
100
150
200
250
–40
120
100
80
60
40
20
0
–20
300
–300
–50
–100
–150
–200
–250
TEMPERATURE (°C)
V
OP
S
W
IN
G
F
R
O
M
R
A
IL
(
m
V
)
V
ON
S
W
IN
G
F
R
OM
R
A
IL
(
m
V
)
VS = ±5V
G = 1 (RF = RG = 200)
RL, dm = 1k
VS+ – VOP
VON – VS–
0
46
79
-0
77
Figure 48. Output Saturation Voltage vs. Temperature
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