参数资料
型号: ADA4940-1ARZ-R7
厂商: Analog Devices Inc
文件页数: 30/33页
文件大小: 0K
描述: IC DIFF ADC DVR 18BIT LN 8SOIC
标准包装: 1,000
放大器类型: 差分
电路数: 1
输出类型: 差分
转换速率: 95 V/µs
-3db带宽: 260MHz
电流 - 输入偏压: 1.1µA
电压 - 输入偏移: 60µV
电流 - 电源: 1.25mA
电流 - 输出 / 通道: 46mA
电压 - 电源,单路/双路(±): 3 V ~ 6 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SO
包装: 带卷 (TR)
Data Sheet
ADA4940-1/ADA4940-2
Rev. C | Page 5 of 32
VOCM to VOUT,cm Performance
Table 4.
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
29
MHz
Slew Rate
VOUT, cm = 1 V p-p
52
V/s
Input Voltage Noise
f = 100 kHz
83
nV/√Hz
Gain
ΔVOUT, cm/ΔVOCM, ΔVOCM = ±1 V
0.99
1
1.01
V/V
VOCM CHARACTERISTICS
Input Common-Mode Voltage Range
VS + 0.8 to
+VS 0.7
V
Input Resistance
250
k
Offset Voltage
VOS, cm = VOUT, cm VOCM; VIP = VIN = VOCM = 0 V
6
±1
+6
mV
Input Offset Voltage Drift
TMIN to TMAX
20
V/°C
Input Bias Current
7
+4
+7
A
CMRR
ΔVOS,dm/ΔVOCM, ΔVOCM = ±1 V
86
100
dB
General Performance
Table 5.
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
1.05
1.25
1.38
mA
Quiescent Current Drift
TMIN to TMAX
4.25
A/°C
Disabled
13.5
28.5
A
+PSRR
ΔVOS, dm/ΔVS, ΔVS = 1 V p-p
80
90
dB
PSRR
ΔVOS, dm/ΔVS, ΔVS = 1 V p-p
80
96
dB
DISABLE (DISABLE PIN)
DISABLE Input Voltage
Disabled
≤(VS + 1)
V
Enabled
≥(VS + 1.8)
V
Turn-Off Time
10
s
Turn-On Time
0.6
s
DISABLE Pin Bias Current per Amplifier
Enabled
DISABLE = +2.5 V
2
5
A
Disabled
DISABLE = 2.5 V
10
5
A
OPERATING TEMPERATURE RANGE
40
+125
°C
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