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参数资料
| 型号： | AD8138-EVAL |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | Low Distortion Differential ADC Driver |
| 中文描述： | 低失真差分ADC驱动器 |
| 文件页数： | 8/14页 |
| 文件大小： | 231K |
| 代理商： | AD8138-EVAL |
–3–
REV. A
AD8138
SPECIFICATIONS
AD8138
Parameter
Conditions
Min
Typ
Max
Units
DIN to
OUT Specifications
DYNAMIC PERFORMANCE
–3 dB Small Signal Bandwidth
VOUT = 0.5 V p-p, CF = 0 pF
280
310
MHz
VOUT = 0.5 V p-p, CF = 1 pF
225
MHz
Bandwidth for 0.1 dB Flatness
VOUT = 0.5 V p-p, CF = 0 pF
29
MHz
Large Signal Bandwidth
VOUT = 2 V p-p, CF = 0 pF
265
MHz
Slew Rate
VOUT = 2 V p-p, CF = 0 pF
950
V/
s
Settling Time
0.01%, VOUT = 2 V p-p, CF = 1 pF
16
ns
Overdrive Recovery Time
VIN = 2.5 V to 0 V Step, G = +2
4
ns
NOISE/HARMONIC PERFORMANCE
Second Harmonic
VOUT = 2 V p-p, 5 MHz, RL,dm = 800
–90
dBc
VOUT = 2 V p-p, 20 MHz, RL,dm = 800
–79
dBc
VOUT = 2 V p-p, 70 MHz, RL,dm = 800
–60
dBc
Third Harmonic
VOUT = 2 V p-p, 5 MHz, RL,dm = 800
–100
dBc
VOUT = 2 V p-p, 20 MHz, RL,dm = 800
–82
dBc
VOUT = 2 V p-p, 70 MHz, RL,dm = 800
–53
dBc
IMD
20 MHz
–74
dBc
IP3
20 MHz
35
dBm
Voltage Noise (RTI)
f = 100 kHz to 40 MHz
5
nV/
√Hz
Input Current Noise
f = 100 kHz to 40 MHz
2
pA/
√Hz
INPUT CHARACTERISTICS
Offset Voltage
VOS,dm = VOUT,dm/2; VDIN+ = VDIN– = VOCM = 2.5 V
–2.5
± 12.5
mV
TMIN–TMAX Variation
± 4
V/°C
Input Bias Current
3.5
7
A
TMIN–TMAX Variation
–0.01
A/°C
Input Resistance
Differential
6
M
Common Mode
3
M
Input Capacitance
1pF
Input Common-Mode Voltage
–0.3 – +3.2
V
CMRR
V
OUT,dm/VIN,cm; VIN,cm = 1 V
–75
–70
dB
OUTPUT CHARACTERISTICS
Output Voltage Swing
Maximum
V
OUT; Single-Ended Output
2.9
V p-p
Output Current
95
mA
Output Balance Error
V
OUT,cm/VOUT,dm; VOUT,dm = 1 V
–65
dB
VOCM to
OUT Specifications
DYNAMIC PERFORMANCE
–3 dB Bandwidth
220
MHz
Slew Rate
250
V/
s
DC PERFORMANCE
Input Voltage Range
+1.0 – +3.8
V
Input Resistance
100
k
Input Offset Voltage
VOS,cm = VOUT,cm; VDIN+ = VDIN– = VOCM = 2.5 V
–5
± 15
mV
Input Bias Current
0.5
A
VOCM CMRR
[V
OUT,dm/VOCM]; VOCM = 2.5 ± 1 V
–70
dB
Gain
V
OUT,cm/VOCM; VOCM = 2.5 ± 1 V
0.9968 1
1.0032
V/V
POWER SUPPLY
Operating Range
2.7
11
V
Quiescent Current
15
20
21
mA
TMIN to TMAX Variation
40
A/°C
Power Supply Rejection Ratio
V
OUT,dm/VS; VS = ± 1 V
–90
–70
dB
OPERATING TEMPERATURE RANGE
–40
+85
°C
NOTES
Harmonic Distortion Performance is equal or slightly worse with higher values of R L,dm. See Figures 14 and 15 for more information.
Specifications subject to change without notice.
(@ +25 C, VS = +5 V, VOCM = +2.5 V, G = +1, RL,dm = 500
, unless otherwise noted. Refer to Figure 1
for test setup and label descriptions. All specifications refer to single-ended input and differential outputs unless noted.)
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