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參數資料
| 型號： | AD8139 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Low Noise Rail-to-Rail Differential ADC Driver |
| 中文描述： | 低噪聲軌至軌差分ADC驅動器 |
| 文件頁數： | 5/24頁 |
| 文件大小： | 720K |
| 代理商： | AD8139 |
AD8139
V
S
= 5 V, V
OCM
= 2.5 V SPECIFICATIONS
@ 25°C, Diff. Gain = 1, R
L, dm
= 1 k, R
F
= R
G
= 200 , unless otherwise noted. T
MIN
to T
MAX
= 40°C to +125°C.
Table 2.
Parameter
Conditions
DIFFERENTIAL INPUT PERFORMANCE
DYNAMIC PERFORMANCE
3 dB Small Signal Bandwidth
V
O, dm
= 0.1 V p-p
3 dB Large Signal Bandwidth
V
O, dm
= 2 V p-p
Bandwidth for 0.1 dB Flatness
V
O, dm
= 0.1 V p-p
Slew Rate
V
O, dm
= 2 V Step
Settling Time to 0.01%
V
O, dm
= 2 V Step
Overdrive Recovery Time
G = 2, V
IN, dm
= 7 V p-p Triangle Wave
NOISE/HARMONIC PERFORMANCE
SFDR
V
O, dm
= 2 V p-p, f
C
= 1 MHz
V
O, dm
= 2 V p-p, f
C
= 5 MHz, (R
L
= 800 )
V
O, dm
= 2 V p-p, f
C
= 20 MHz, (R
L
= 800 )
Third-Order IMD
V
O, dm
= 2 V p-p, f
C
= 10.05 MHz ± 0.05 MHz
Input Voltage Noise
f = 100 kHz
Input Current Noise
f = 100 kHz
DC PERFORMANCE
Input Offset Voltage
V
IP
= V
IN
= V
OCM
=0 V
Input Offset Voltage Drift
T
MIN
to T
MAX
Input Bias Current
T
MIN
to T
MAX
Input Offset Current
Open-Loop Gain
INPUT CHARACTERISTICS
Input Common-Mode Voltage Range
Input Resistance
Differential
Common-Mode
Input Capacitance
Common-Mode
CMRR
V
ICM
= ±1 V dc, R
F
= R
G
= 10 k
OUTPUT CHARACTERISTICS
Output Voltage Swing
Each Single-Ended Output, R
F
= R
G
= 10 k
Each Single-Ended Output,
R
L, dm
= Open Circuit, R
F
= R
G
= 10 k
Output Current
Each Single-Ended Output
Output Balance Error
f = 1 MHz
V
OCM
to V
O, cm
PERFORMANCE
V
OCM
DYNAMIC PERFORMANCE
3 dB Bandwidth
V
O, cm
= 0.1 V p-p
Slew Rate
V
O, cm
= 2 V p-p
Gain
V
OCM
INPUT CHARACTERISTICS
Input Voltage Range
Input Resistance
Input Offset Voltage
V
OS, cm
= V
O, cm
V
OCM
; V
IP
= V
IN
= V
OCM
= 2.5 V
Input Voltage Noise
f = 100 KHz
Input Bias Current
CMRR
V
OCM
/V
O
(dm), V
OCM
= ±1 V
Rev. A | Page 5 of 24
Min
330
135
500
1
75
V
S
+ 0.15
V
S
+ 0.10
Typ
385
165
34
540
55
35
99
87
75
87
2.25
2.1
±150
1.25
2.2
0.13
112
600
1.5
1.2
79
Max
+500
7.5
0.5
4
+V
S
0.15
+V
S
0.10
Unit
MHz
MHz
MHz
V/μs
ns
ns
dB
dB
dB
dBc
nV/√Hz
pA/√Hz
μV
μV/oC
μA
μA
dB
V
K
M
pF
dB
V
V
0.999
1.0
1.0
67
80
70
440
150
1.000
3.5
±0.45
3.5
1.3
79
1.001
3.8
+1.0
4.2
mA
dB
MHz
V/μs
V/V
V
M
mV
nV/√Hz
μA
dB
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