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AD8505 数据表(PDF) 5 Page - Analog Devices

部件名 AD8505
功能描述  22 關A, RRIO, CMOS, 18 V
Download  24 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD8505 数据表(HTML) 5 Page - Analog Devices

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Data Sheet
AD8546/AD8548
Rev. B | Page 5 of 24
ELECTRICAL CHARACTERISTICS—2.7 V OPERATION
VSY = 2.7 V, VCM = VSY/2, TA = 25°C, unless otherwise noted.
Table 4.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
V
OS
V
CM = 0 V to 2.7 V
3
mV
V
CM = 0.3 V to 2.4 V; −40°C ≤ TA ≤ +125°C
4
mV
V
CM = 0 V to 2.7 V; −40°C ≤ TA ≤ +125°C
12
mV
Offset Voltage Drift
ΔV
OS/ΔT
3
µV/°C
Input Bias Current
I
B
1
10
pA
−40°C ≤ T
A ≤ +125°C
2.6
nA
Input Offset Current
I
OS
20
pA
−40°C ≤ T
A ≤ +125°C
5.2
nA
Input Voltage Range
IVR
0
2.7
V
Common-Mode Rejection Ratio
CMRR
V
CM = 0 V to 2.7 V
60
75
dB
V
CM = 0.3 V to 2.4 V; −40°C ≤ TA ≤ +125°C
58
dB
V
CM = 0 V to 2.7 V; −40°C ≤ TA ≤ +125°C
49
dB
Large Signal Voltage Gain
A
VO
R
L = 100 kΩ; VO = 0.5 V to 2.2 V
97
115
dB
−40°C ≤ T
A ≤ +125°C
90
dB
Input Resistance
R
IN
10
GΩ
Input Capacitance
Differential Mode
C
INDM
3.5
pF
Common Mode
C
INCM
3.5
pF
OUTPUT CHARACTERISTICS
Output Voltage High
V
OH
R
L = 100 kΩ to VCM; −40°C ≤ TA ≤ +125°C
2.69
V
Output Voltage Low
V
OL
R
L = 100 kΩ to VCM; −40°C ≤ TA ≤ +125°C
10
mV
Short-Circuit Current
I
SC
±4
mA
Closed-Loop Output Impedance
Z
OUT
f = 1 kHz; A
V = +1
20
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
V
SY = 2.7 V to 18 V
95
115
dB
−40°C ≤ T
A ≤ +125°C
90
dB
Supply Current per Amplifier
I
SY
I
O = 0 mA
18
22
µA
−40°C ≤ T
A ≤ +125°C
33
µA
DYNAMIC PERFORMANCE
Slew Rate
SR
R
L = 1 MΩ; CL = 10 pF; AV = +1
50
V/ms
Settling Time to 0.1%
t
S
V
IN = 1 V step; RL = 100 kΩ; CL = 10 pF
20
µs
Gain Bandwidth Product
GBP
R
L = 1 MΩ; CL = 10 pF; AV = +1
190
kHz
Phase Margin
Φ
M
R
L = 1 MΩ; CL = 10 pF; AV = +1
60
Degrees
Channel Separation
CS
f = 10 kHz; R
L = 1 MΩ
105
dB
NOISE PERFORMANCE
Voltage Noise
e
n p-p
f = 0.1 Hz to 10 Hz
6
µV p-p
Voltage Noise Density
e
n
f = 1 kHz
60
nV/√Hz
f = 10 kHz
56
nV/√Hz
Current Noise Density
i
n
f = 1 kHz
0.1
pA/√Hz


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