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參數(shù)資料
型號: ADA4940-1ARZ-RL
廠商: Analog Devices Inc
文件頁數(shù): 32/33頁
文件大小: 0K
描述: IC DIFF ADC DVR 18BIT LN 8SOIC
標準包裝: 2,500
放大器類型: 差分
電路數(shù): 1
輸出類型: 差分
轉(zhuǎn)換速率: 95 V/µs
-3db帶寬: 260MHz
電流 - 輸入偏壓: 1.1µA
電壓 - 輸入偏移: 60µV
電流 - 電源: 1.25mA
電流 - 輸出 / 通道: 46mA
電壓 - 電源,單路/雙路(±): 3 V ~ 6 V
工作溫度: -40°C ~ 125°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SO
包裝: 帶卷 (TR)
Data Sheet
ADA4940-1/ADA4940-2
Rev. C | Page 7 of 32
VOCM to VOUT,cm Performance
Table 7.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
VOCM DYNAMIC PERFORMANCE
3 dB Small Signal Bandwidth
VOUT, cm = 0.1 V p-p
36
MHz
3 dB Large Signal Bandwidth
VOUT, cm = 1 V p-p
26
MHz
Slew Rate
VOUT, cm = 1 V p-p
48
V/s
Input Voltage Noise
f = 100 kHz
92
nV/√Hz
Gain
ΔVOUT, cm/ΔVOCM, ΔVOCM = ±0.25 V
0.99
1
1.01
V/V
VOCM CHARACTERISTICS
Input Common-ModeVoltage Range
VS + 0.8 to
+VS 0.7
V
Input Resistance
250
k
Offset Voltage
VOS, cm = VOUT, cm VOCM; VIP = VIN = VOCM = 1.5 V
7
±1
+7
mV
Input Offset Voltage Drift
TMIN to TMAX
20
V/°C
Input Bias Current
5
+1
+5
A
CMRR
ΔVOS,dm/ΔVOCM, ΔVOCM = ±0.25 V
80
100
dB
General Performance
Table 8.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
POWER SUPPLY
Operating Range
LFCSP
3
7
V
SOIC
3
6
V
Quiescent Current per Amplifier
Enabled
1
1.18
1.33
mA
TMIN to TMAX
4.25
A/°C
Disabled
7
22
A
+PSRR
ΔVOS, dm/ΔVS, ΔVS = 0.25 V p-p
80
90
dB
PSRR
ΔVOS, dm/ΔVS, ΔVS = 0.25 V p-p
80
96
dB
DISABLE (DISABLE PIN)
DISABLE Input Voltage
Disabled
≤(VS + 1)
V
Enabled
≥(VS + 1.8)
V
Turn-Off Time
16
s
Turn-On Time
0.6
s
DISABLE Pin Bias Current per Amplifier
Enabled
DISABLE = +3 V
0.3
1
A
Disabled
DISABLE = 0 V
6
3
A
OPERATING TEMPERATURE RANGE
40
+125
°C
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