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参数资料
| 型号： | ADA4922-1ACPZ-R2 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 14/20页 |
| 文件大小： | 0K |
| 描述： | IC ADC DRIVER 18BIT DIFF 8-LFCSP |
| 标准包装： | 1 |
| 类型： | ADC 驱动器 |
| 应用： | 数据采集 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-VFDFN 裸露焊盘，CSP |
| 供应商设备封装： | 8-LFCSP-VD（3x3） |
| 包装： | 标准包装 |
| 其它名称： | ADA4922-1ACPZ-R2DKR |
ADA4922-1
Rev. 0 | Page 3 of 20
SPECIFICATIONS
VS = ±12 V, TA = 25°C, RL = 1 kΩ, DIS = HIGH, CL = 3 pF, unless otherwise noted.
Table 1.
Parameter
Conditions
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
–3 dB Bandwidth
G = +2, VO = 0.2 V p-p, differential
34
38
MHz
G = +2, VO = 40 V p-p, differential
6.5
7.2
MHz
Overdrive Recovery Time
VS+ + 0.5 V to VS 0.5 V; +Recovery/Recovery
180/330
ns
Slew Rate
VO, dm = 2 V step
260
V/μs
VO, dm = 40 V step
730
V/μs
Settling Time to 0.01%
VO, dm = 40 V step
580
ns
NOISE/DISTORTION PERFORMANCE
Harmonic Distortion
fC = 5 kHz, VO = 40 V p-p, RL = 2 kΩ, HD2/HD3
116/109
dBc
fC = 100 kHz, VO = 40 V p-p, RL = 2 kΩ, HD2/HD3
99/100
dBc
Differential Output Voltage Noise
f = 100 kHz
12
nV/√Hz
Input Current Noise
f = 100 kHz
1.4
pA/√Hz
DC PERFORMANCE
Differential Output Offset Voltage
0.35
1.1
mV
Differential Output Offset Voltage Drift
14
μV/°C
Input Bias Current
1.8
3.5
μA
Gain
2
V/V
Gain Error
0.05
%
Gain Error Drift
0.0002
%/°C
INPUT CHARACTERISTICS
Input Resistance
11
MΩ
Input Capacitance
1
pF
Input Voltage Range
±10.7
V
OUTPUT CHARACTERISTICS
Output Voltage Swing
Each single-ended output, RL = 1 kΩ
±10.65
±10.7
V
DC Output Current
40
mA
Capacitive Load Drive
30% overshoot
20
pF
POWER SUPPLY
Operating Range
5
26
V
Quiescent Current
9.4
10.1
mA
Quiescent Current (Disabled)
1.5
2.0
mA
Power Supply Rejection Ratio (PSRR)
PSRR
89
80
dB
+PSRR
91
83
dB
DISABLE
DIS Input Voltage Threshold
Disabled
≤ 11
V
Enabled
≥ 9
V
Turn-Off Time
160
μs
Turn-On Time
78
ns
DIS Bias Current
Enabled
DIS = 9 V
114
μA
Disabled
DIS = 11 V
125
μA
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