Datasheet 搜索 > 运算放大器 > ADI（亚德诺） > ADA4638-1ACPZ-R7 数据手册 > ADA4638-1ACPZ-R7 数据手册 5/25 页
器件3D模型￥ 18.152
ADA4638-1ACPZ-R7 数据手册 - ADI（亚德诺）
制造商:
ADI（亚德诺）
分类:
运算放大器
封装:
LFCSP-8
描述:
ANALOG DEVICES ADA4638-1ACPZ-R7. 芯片, 运算放大器, 2.5MHZ, 1.5V/US, 14.5UV, LFCSP-8
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ADA4638-1ACPZ-R7数据手册
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ADA4638-1 Data Sheet
Rev. 0 | Page 4 of 24
ELECTRICAL CHARACTERISTICS—10 V OPERATION
V
S
= 10 V, V
CM
= V
SY
/2 V, T
A
= 25°C, unless otherwise specified.
Table 3.
Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
0.1 4 V
−40°C ≤ T
A
≤ +125°C; SOIC 9 V
−40°C ≤ T
A
≤ +125°C; LFCSP 12 V
Offset Voltage Drift ∆V
OS
/∆T −40°C ≤ T
A
≤ +125°C; SOIC 0.05 V/°C
−40°C ≤ T
A
≤ +125°C; LFCSP 0.08 V/°C
Input Bias Current I
B
20 50 pA
−40°C ≤ T
A
≤ +125°C 250 pA
Input Offset Current I
OS
20 80 pA
−40°C ≤ T
A
≤ +125°C 140 pA
Input Voltage Range 0 7 V
Common-Mode Rejection Ratio CMRR V
CM
= 0 V to 7 V 130 155 dB
−40°C ≤ T
A
≤ +125°C 130 dB
Open-Loop Gain A
VO
R
L
= 10 kΩ, V
O
= 1 V to 9 V 130 160 dB
−40°C ≤ T
A
≤ +125°C 130 dB
Input Resistance, Common Mode R
INCM
250 GΩ
Input Capacitance, Differential Mode C
INDM
4 pF
Input Capacitance, Common Mode C
INCM
9 pF
OUTPUT CHARACTERISTICS
Output Voltage High V
OH
R
L
= 10 kΩ to V
CM
9.96 9.97 V
−40°C ≤ T
A
≤ +125°C 9.95 V
R
L
= 2 kΩ to V
CM
9.85 9.86 V
−40°C ≤ T
A
≤ +125°C 9.75 V
Output Voltage Low V
OL
R
L
= 10 kΩ to V
CM
20 25 mV
−40°C ≤ T
A
≤ +125°C 40 mV
R
L
= 2 kΩ to V
CM
80 90 mV
−40°C ≤ T
A
≤ +125°C 145 mV
Short-Circuit Current I
SC
±22 mA
Closed-Loop Output Impedance Z
OUT
f = 1 MHz, A
V
= +1 300 Ω
POWER SUPPLY
Power Supply Rejection Ratio PSRR V
S
= 4.5 V to 30 V 120 143 dB
−40°C ≤ T
A
≤ +125°C 120 dB
Supply Current/Amplifier I
SY
I
O
= 0 mA 0.8 0.95 mA
−40°C ≤ T
A
≤ +125°C 1.15 mA
DYNAMIC PERFORMANCE
Slew Rate SR R
L
= 10 kΩ, C
L
= 20 pF, A
V
= +1 1.5 V/s
Overload Recovery Time R
L
= 10 kΩ, C
L
= 20 pF, A
V
= −100 14 s
Settling Time to 0.1% t
S
V
IN
= 2 V step, R
L
= 10 kΩ, C
L
= 20 pF, A
V
= −1 3 µs
Unity-Gain Crossover
UGC V
IN
= 30 mV p-p, R
L
= 10 kΩ, C
L
= 20 pF, A
V
= +1
1.1
MHz
Phase Margin Φ
M
V
IN
= 30 mV p-p, R
L
= 10 kΩ, C
L
= 20 pF, A
V
= +1 67 Degrees
Gain Bandwidth Product GBP V
IN
= 30 mV p-p, R
L
= 10 kΩ, C
L
= 20 pF, A
V
= +100 1.4 MHz
−3 dB Closed-Loop Bandwidth f
−3dB
V
IN
= 30 mV p-p, R
L
= 10 kΩ, C
L
= 20 pF, A
V
= +1 1.9 MHz
NOISE PERFORMANCE
Voltage Noise e
n
p-p f = 0.1 Hz to 10 Hz 1.2 µV p-p
Voltage Noise Density e
n
f = 1 kHz 66 nV/√Hz
Current Noise Density i
n
f = 1 kHz 0.1 pA/√Hz
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