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| 鍨嬭櫉锛� | ADA4941-1YRZ |
| 寤犲晢锛� | Analog Devices Inc |
| 鏂囦欢闋佹暩(sh霉)锛� | 21/25闋� |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | IC DIFF ADC DVR 18BIT 8-SOIC |
| 瑷�(sh猫)瑷堣硣婧愶細 | Converting a Single-Ended Signal with AD7982 Differential PulSAR ADC (CN0032) Converting a Single-Ended Signal with AD7984 Differential PulSAR ADC (CN0033) |
| 妯�(bi膩o)婧�(zh菙n)鍖呰锛� | 98 |
| 椤炲瀷锛� | ADC 椹�(q奴)鍕曞櫒 |
| 鎳�(y墨ng)鐢細 | 鏁�(sh霉)鎿�(j霉)閲囬泦 |
| 瀹夎椤炲瀷锛� | 琛ㄩ潰璨艰 |
| 灏佽/澶栨锛� | 8-SOIC锛�0.154"锛�3.90mm 瀵級 |
| 渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 | 8-SO |
| 鍖呰锛� | 绠′欢 |
| 鐢�(ch菐n)鍝佺洰閷勯爜闈細 | 768 (CN2011-ZH PDF) |
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ADA4941-1
Rev. C | Page 4 of 24
TA = 25掳C, VS = 5 V, OUT+ connected to FB (G = 2), RL,dm = 1 k, REF = 2.5 V, unless otherwise noted.
Table 2.
Parameter
Conditions
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
3 dB Bandwidth
VO = 0.1 V p-p
22
31
MHz
VO = 2.0 V p-p
4.9
7
MHz
Overdrive Recovery Time
+Recover/Recovery
200/600
ns
Slew Rate
VO = 2 V step
24.5
V/s
Settling Time 0.005%
VO = 6 V p-p step
610
ns
NOISE/DISTORTION PERFORMANCE
Harmonic Distortion
fC = 40 kHz, VO = 2 V p-p, HD2/HD3
118/119
dBc
fC = 100 kHz, VO = 2 V p-p, HD2/HD3
110/112
dBc
fC = 1 MHz, VO = 2 V p-p, HD2/HD3
83/73
dBc
RTO Voltage Noise
f = 100 kHz
10.2
nV/鈭欻z
Input Current Noise
f = 100 kHz
1.6
pA/鈭欻z
DC PERFORMANCE
Differential Output Offset Voltage
0.2
0.8
mV
Differential Input Offset Voltage Drift
1.0
V/掳C
Single-Ended Input Offset Voltage
Amp A1 or Amp A2
0.1
0.4
mV
Single-Ended Input Offset Voltage Drift
0.3
V/掳C
Input Bias Current
IN and REF
3
4.5
A
Input Offset Current
IN and REF
0.1
A
Gain
(+OUT OUT)/(IN REF)
1.98
2
2.01
V/V
Gain Error
1
+1
%
Gain Error Drift
1
5
ppm/掳C
INPUT CHARACTERISTICS
Input Resistance
IN and REF
24
M
Input Capacitance
IN and REF
1.4
pF
Input Common-Mode Voltage Range
0.2
3.9
V
Common-Mode Rejection Ratio (CMRR)
CMRR = VOS,dm/VCM, VREF = VIN, VCM = 0.2 V to 3.9 V, G = 4
84
106
dB
OUTPUT CHARACTERISTICS
Output Voltage Swing
Each single-ended output, G = 4
卤4.85
卤4.93
V
Output Current
25
mA
Capacitive Load Drive
20% overshoot, VO, dm = 200 mV p-p
20
pF
POWER SUPPLY
Operating Range
2.7
12
V
Quiescent Current
2.3
2.6
mA
Quiescent Current鈥擠isable
12
20
A
Power Supply Rejection Ratio (PSRR)
+PSRR
PSRR = VOS, dm/螖VS, G = 4
87
100
dB
PSRR
87
110
dB
DISABLE
DIS Input Voltage
Disabled, DIS = High
鈮�1.5
V
Enabled, DIS = Low
鈮�1.0
V
DIS Input Current
Disabled, DIS = High
5.5
8
A
Enabled, DIS = Low
4
6
A
Turn-On Time
0.7
s
Turn-Off Time
30
s
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