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AD8647ARMZ-R2 数据表(PDF) 5 Page - Analog Devices

部件名 AD8647ARMZ-R2
功能描述  24 MHz Rail-to-Rail Amplifiers with Shutdown Option
PDF  20 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD8647ARMZ-R2 数据表(HTML) 5 Page - Analog Devices

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AD8646/AD8647/AD8648
Rev. B | Page 5 of 20
VSY = 2.7 V, VCM = VSY/2, TA = +25oC, unless otherwise noted.
Table 2.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
VCM = 0 V to 2.7 V
0.6
2.5
mV
−40°C < TA < +125°C
3.2
mV
Offset Voltage Drift
ΔVOS/ΔT
−40°C < TA < +125°C
1.8
7.0
μV/°C
Input Bias Current
IB
0.2
1
pA
−40°C < TA < +85°C
50
pA
−40°C < TA < +125°C
550
pA
Input Offset Current
IOS
0.1
0.5
pA
−40°C < TA < +85°C
50
pA
−40°C < TA < +125°C
250
pA
Input Voltage Range
VCM
0
2.7
V
Common-Mode Rejection Ratio
CMRR
VCM = 0 V to 2.7 V
62
79
dB
Large Signal Voltage Gain
AVO
RL = 2 kΩ, VO = 0.5 V to 2.2 V
95
102
dB
Input Capacitance
Differential
CDIFF
2.5
pF
Common Mode
CCM
7.8
pF
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
IOUT = 1 mA
2.65
2.68
V
−40°C < TA < +125°C
2.60
V
Output Voltage Low
VOL
IOUT = 1 mA
11
25
mV
−40°C < TA < +125°C
30
mV
Output Current
IOUT
Short circuit
±63
mA
Closed-Loop Output Impedance
ZOUT
At 1 MHz, AV = 1
5
Ω
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VSY = 2.7 V to 5.5 V
63
80
dB
Supply Current per Amplifier
ISY
1.6
2.0
mA
−40°C < TA < +125°C
2.5
mA
Supply Current Shutdown Mode (AD8647)
ISD
Shutdown of both amplifiers (AD8647 only)
10
nA
−40°C < TA < +125°C
1
μA
SHUTDOWN INPUTS (AD8647)
Logic High Voltage (Enabled)
VINH
−40°C < TA < +125°C
+2.0
V
Logic Low Voltage (Power-Down)
VINL
−40°C < TA < +125°C
+0.8
V
Logic Input Current (Per Pin)
VIN
−40°C < TA < +125°C
1
μA
Output Pin Leakage Current
−40°C < TA < +125°C (shutdown active)
1
nA
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 2 kΩ
11
V/μs
Gain Bandwidth Product
GBP
24
MHz
Phase Margin
Øm
53
Degrees
Settling Time
ts
To 0.1%
0.3
μs
Amplifier Turn-On Time (AD8647)
ton
25°C, AV = 1, RL = 1 kΩ (see Figure 41)
1.2
μs
Amplifier Turn-Off Time (AD8647)
toff
25°C, AV = 1, RL = 1 kΩ (see Figure 42)
1
μs
NOISE PERFORMANCE
Peak-to-Peak Noise
en p-p
0.1 Hz to 10 Hz
2.3
μV
Voltage Noise Density
en
f = 1 kHz
8
nV/√Hz
f = 10 kHz
6
nV/√Hz
Channel Separation
CS
f = 10 kHz
−115
dB
f = 100 kHz
−110
dB



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