参数资料
型号: ADA4638-1ARZ-R7
厂商: Analog Devices Inc
文件页数: 22/25页
文件大小: 0K
描述: IC OPAMP RRO ZERO DRIFT 8SOIC
标准包装: 1,000
放大器类型: 零漂移
电路数: 1
输出类型: 满摆幅
转换速率: 1.5 V/µs
增益带宽积: 1.5MHz
-3db带宽: 2.5MHz
电流 - 输入偏压: 45pA
电压 - 输入偏移: 0.5µV
电流 - 电源: 850µA
电流 - 输出 / 通道: 38mA
电压 - 电源,单路/双路(±): 4.5 V ~ 30 V,±2.25 V ~ 15 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
ADA4638-1
Rev. 0 | Page 5 of 24
ELECTRICAL CHARACTERISTICS—5 V OPERATION
VS = 5 V, VCM = VSY/2 V, TA = 25°C, unless otherwise specified.
Table 4.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
1
13
μV
40°C ≤ TA ≤ +125°C; SOIC
18
μV
40°C ≤ TA ≤ +125°C; LFCSP
21
μV
Offset Voltage Drift
ΔVOS/ΔT
40°C ≤ TA ≤ +125°C; SOIC
0.05
μV/°C
40°C ≤ TA ≤ +125°C; LFCSP
0.08
μV/°C
Input Bias Current
IB
30
90
pA
40°C ≤ TA ≤ +125°C
230
pA
Input Offset Current
IOS
60
170
pA
40°C ≤ TA ≤ +125°C
200
pA
Input Voltage Range
0
3
V
Common-Mode Rejection Ratio
CMRR
VCM = 0 V to 3 V
118
140
dB
40°C ≤ TA ≤ +125°C
118
dB
Open-Loop Gain
AVO
RL = 10 kΩ, VO = 0.5 V to +4.5 V
125
150
dB
40°C ≤ TA ≤ +125°C
125
dB
Input Resistance, Common Mode
RINCM
75
Input Capacitance, Differential Mode
CINDM
4
pF
Input Capacitance, Common Mode
CINCM
9
pF
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
RL = 10 kΩ to VCM
4.98
4.984
V
40°C ≤ TA ≤ +125°C
4.97
V
RL = 2 kΩ to VCM
4.90
4.92
V
40°C ≤ TA ≤ +125°C
4.87
V
Output Voltage Low
VOL
RL = 10 kΩ to VCM
7.5
10
mV
40°C ≤ TA ≤ +125°C
15
mV
RL = 2 kΩ to VCM
37
45
mV
40°C ≤ TA ≤ +125°C
70
mV
Short-Circuit Current
ISC
±22
mA
Closed-Loop Output Impedance
ZOUT
f = 1 MHz, AV = +1
340
Ω
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VS = 4.5 V to 30 V
120
143
dB
40°C ≤ TA ≤ +125°C
120
dB
Supply Current/Amplifier
ISY
IO = 0 mA
0.8
0.95
mA
40°C ≤ TA ≤ +125°C
1.15
mA
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 10 kΩ, CL = 20 pF, AV = +1
1.5
V/μs
Overload Recovery Time
RL = 10 kΩ, CL = 20 pF, AV = 100
22
μs
Settling Time to 0.1%
tS
VIN = 1 V step, RL = 10 kΩ, CL = 20 pF, AV = 1
3
μs
Unity-Gain Crossover
UGC
VIN = 20 mV p-p, RL = 10 kΩ, CL = 20 pF, AV = +1
1.0
MHz
Phase Margin
ΦM
VIN = 20 mV p-p, RL = 10 kΩ, CL = 20 pF, AV = +1
64
Degrees
Gain Bandwidth Product
GBP
VIN = 20 mV p-p, RL = 10 kΩ, CL = 20 pF, AV = +100
1.3
MHz
3 dB Closed-Loop Bandwidth
f3dB
VIN = 20 mV p-p, RL = 10 kΩ, CL = 20 pF, AV = +1
1.8
MHz
NOISE PERFORMANCE
Voltage Noise
en p-p
f = 0.1 Hz to 10 Hz
1.2
μV p-p
Voltage Noise Density
en
f = 1 kHz
70
nV/√Hz
Current Noise Density
in
f = 1 kHz
0.015
pA/√Hz
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