AD8638 데이터 시트보기 (PDF) - Analog Devices
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AD8638 Datasheet PDF : 20 Pages
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AD8638/AD8639
ELECTRICAL CHARACTERISTICS—16 V OPERATION
VSY = 16 V, VCM = VSY/2, TA = 25°C, unless otherwise noted.
Table 3.
Parameter
Symbol Conditions
Min
Typ
Max Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
3
9
μV
−40°C ≤ TA ≤ +125°C
−0.1 V ≤ VCM ≤ +14 V
23
μV
3
9
μV
−40°C ≤ TA ≤ +125°C
23
μV
Input Bias Current
IB
−40°C ≤ TA ≤ +85°C
1
75
pA
4
75
pA
−40°C ≤ TA ≤ +125°C
85
250 pA
Input Offset Current
IOS
−40°C ≤ TA ≤ +85°C
20
70
pA
20
75
pA
−40°C ≤ TA ≤ +125°C
50
150 pA
Input Voltage Range
−40°C ≤ TA ≤ +125°C
−0.1
+14 V
Common-Mode Rejection Ratio
CMRR VCM = 0 V to 14 V
127
142
dB
−40°C ≤ TA ≤ +125°C
127
dB
Large Signal Voltage Gain
AVO
RL = 10 kΩ, VO = 0.5 V to 15.5 V
130
147
dB
−40°C ≤ TA ≤ +125°C
130
dB
Offset Voltage Drift for All Packages ∆VOS/∆T −40°C ≤ TA ≤ +125°C
Except SOT-23
0.03
0.06 μV/°C
Offset Voltage Drift for SOT-23
∆VOS/∆T −40°C ≤ TA ≤ +125°C
0.04
0.15 μV/°C
Input Resistance
RIN
22.5
TΩ
Input Capacitance, Differential Mode CINDM
4
pF
Input Capacitance, Common Mode CINCM
1.7
pF
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
RL = 10 kΩ to VCM
15.94 15.96
V
−40°C ≤ TA ≤ +125°C
15.93
V
RL = 2 kΩ to VCM
15.77 15.82
V
−40°C ≤ TA ≤ +125°C
15.70
V
Output Voltage Low
VOL
RL = 10 kΩ to VCM
30
40
mV
−40°C ≤ TA ≤ +125°C
60
mV
RL = 2 kΩ to VCM
120
140 mV
−40°C ≤ TA ≤ +125°C
200 mV
Short-Circuit Current
Closed-Loop Output Impedance
POWER SUPPLY
ISC
TA = 25°C
ZOUT
f = 100 kHz, AV = 1
±37
mA
3.0
Ω
Power Supply Rejection Ratio
PSRR
VSY = 4.5 V to 16 V
127
143
dB
−40°C ≤ TA ≤ +125°C
125
dB
Supply Current per Amplifier
ISY
IO = 0 mA
1.25
1.5
mA
−40°C ≤ TA ≤ +125°C
1.7
mA
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 10 kΩ, CL = 20 pF, AV = 1
2
V/μs
Settling Time to 0.1%
tS
VIN = 4 V step, CL = 20 pF, RL = 1 kΩ, AV = 1
4
μs
Overload Recovery Time
50
μs
Gain Bandwidth Product
GBP
RL = 2 kΩ, CL = 20 pF, AV = 1
1.5
MHz
Phase Margin
ΦM
RL = 2 kΩ, CL = 20 pF, AV = 1
74
Degrees
NOISE PERFORMANCE
Voltage Noise
en p-p 0.1 Hz to 10 Hz
1.2
μV p-p
Voltage Noise Density
en
f = 1 kHz
60
nV/√Hz
Rev. C | Page 4 of 20
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