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ADA4505-1 Datasheet(PDF) 3 Page - Analog Devices

No. de pieza ADA4505-1
Descripción Electrónicos  10 UA, Rail-to-Rail I/O, Zero InputCrossover Distortion Amplifiers
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
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ADA4505-1 Datasheet(HTML) 3 Page - Analog Devices

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ADA4505-1/ADA4505-2/ADA4505-4
Rev. D | Page 3 of 24
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—1.8 V OPERATION
VSY = 1.8 V, VCM = VSY/2, TA = 25°C, RL = 100 kΩ to GND, unless otherwise specified.
Table 1.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
0 V ≤ VCM ≤ 1.8 V
0.5
3
mV
−40°C ≤ TA ≤ +125°C
4
mV
Input Bias Current
IB
0.5
2
pA
−40°C ≤ TA ≤ +85°C
50
pA
−40°C ≤ TA ≤ +125°C
375
pA
Input Offset Current
IOS
0.05
1
pA
−40°C ≤ TA ≤ +85°C
25
pA
−40°C ≤ TA ≤ +125°C
130
pA
Input Voltage Range
−40°C ≤ TA ≤ +125°C
0
1.8
V
Common-Mode Rejection Ratio
CMRR
0 V ≤ VCM ≤ 1.8 V
85
100
dB
−40°C ≤ TA ≤ +85°C
85
dB
−40°C ≤ TA ≤ +125°C
80
dB
Large Signal Voltage Gain
AVO
0.05 V ≤ VOUT ≤ 1.75 V,
RL = 100 kΩ to VCM
95
115
dB
−40°C ≤ TA ≤ +125°C
95
dB
Offset Voltage Drift
ΔV
OS
/
ΔT
−40°C ≤ TA ≤ +125°C
2.5
μV/°C
Input Resistance
RIN
220
Input Capacitance Differential Mode
CINDM
2.5
pF
Input Capacitance Common Mode
CINCM
4.7
pF
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
RL = 100 kΩ to GND
1.78
1.79
V
−40°C ≤ TA ≤ +125°C
1.78
V
RL = 10 kΩ to GND
1.65
1.75
V
−40°C ≤ TA ≤ +125°C
1.65
V
Output Voltage Low
VOL
RL = 100 kΩ to VSY
2
5
mV
−40°C ≤ TA ≤ +125°C
5
mV
RL = 10 kΩ to VSY
12
25
mV
−40°C ≤ TA ≤ +125°C
25
mV
Short-Circuit Limit
ISC
VOUT = VSY or GND
±3.8
mA
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VSY = 1.8 V to 5 V
100
110
dB
−40°C ≤ TA ≤ +85°C
100
dB
−40°C ≤ TA ≤ +125°C
95
dB
Supply Current per Amplifier
ISY
VOUT = VSY/2
ADA4505-1
10
11.5
μA
–40°C ≤ TA ≤ +125°C
15
μA
ADA4505-2/ADA4505-4
7
10
μA
−40°C ≤ TA ≤ +125°C
15
μA
DYNAMIC PERFORMANCE
Slew Rate
SR
RL = 100 kΩ, CL = 20 pF, G = 1
6.5
mV/μs
Gain Bandwidth Product
GBP
RL = 1 MΩ, CL = 20 pF, G = 1
50
kHz
Phase Margin
ΦM
RL = 1 MΩ, CL = 20 pF, G = 1
52
Degrees
NOISE PERFORMANCE
Voltage Noise
en p-p
f = 0.1 Hz to 10 Hz
2.95
μV p-p
Voltage Noise Density
en
f = 1 kHz
65
nV/√Hz
Current Noise Density
in
f = 1 kHz
20
fA/√Hz


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