ADA4051-1/ADA4051-2
Rev. B | Page 4 of 20
ELECTRICAL CHARACTERISTICS—5 V OPERATION
VSY = 5.0 V, VCM = VSY/2 V, TA = 25°C, RL = 100 kΩ to GND, unless otherwise noted.
Table 3.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Offset Voltage
VOS
ADA4051-2
0 V ≤ VCM ≤ 5 V
2
15
μV
ADA4051-1
0 V ≤ VCM ≤ 5 V
2
17
μV
Offset Voltage Drift
VOS/T
40°C ≤ TA ≤ +125°C
0.02
0.1
μV/°C
Input Bias Current
IB
20
70
pA
40°C ≤ TA ≤ +125°C
200
pA
Input Offset Current
IOS
40
100
pA
40°C ≤ TA ≤ +125°C
150
pA
Input Voltage Range
40°C ≤ TA ≤ +125°C
0
5
V
Common-Mode Rejection Ratio
CMRR
0 V ≤ VCM ≤ 5 V
110
135
dB
40°C ≤ TA ≤ +125°C
106
dB
Large-Signal Voltage Gain
AVO
RL = 10 kΩ to VCM,
0.1 V ≤ VOUT ≤ VSY 0.1 V
115
135
dB
40°C ≤ TA ≤ +125°C
106
dB
Input Resistance
RIN
8
MΩ
Input Capacitance, Differential Mode
CINDM
2
pF
Input Capacitance, Common Mode
CINCM
5
pF
OUTPUT CHARACTERISTICS
Output Voltage High
VOH
RL = 100 kΩ to VCM
4.996
4.998
V
40°C ≤ TA ≤ +125°C
4.985
V
RL = 10 kΩ to VCM
4.96
4.99
V
40°C ≤ TA ≤ +125°C
4.9
V
Output Voltage Low
VOL
RL = 100 kΩ to VCM
1
4
mV
40°C ≤ TA ≤ +125°C
13
mV
RL = 10 kΩ to VCM
9
30
mV
40°C ≤ TA ≤ +125°C
90
mV
Short-Circuit Current
ISC
VOUT = VSY or GND
15
mA
Closed-Loop Output Impedance
ZOUT
f = 1 kHz, G = 10
1
Ω
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
1.8 V ≤ VSY ≤ 5.5 V
110
135
dB
40°C ≤ TA ≤ +125°C
106
dB
Supply Current per Amplifier
ISY
ADA4051-2
VOUT = VSY/2
13
17
μA
ADA4051-1
VOUT = VSY/2
15
18
μA
40°C ≤ TA ≤ +125°C
20
μA
DYNAMIC PERFORMANCE
Slew Rate
SR+
RL = 10 kΩ, CL = 100 pF, G = 1
0.06
V/μs
SR
RL = 10 kΩ, CL = 100 pF, G = 1
0.04
V/μs
Settling Time
tS
To 0.1%, VIN = 1 V p-p,
RL = 10 kΩ, CL = 100 pF
110
μs
Gain Bandwidth Product
GBP
CL = 100 pF, G = 1
125
kHz
Phase Margin
ΦM
CL = 100 pF, G = 1
40
Degrees
Channel Separation
CS
VIN = 4.99 V, f = 100 Hz
140
dB
NOISE PERFORMANCE
Voltage Noise
en p-p
f = 0.1 Hz to 10 Hz
1.96
μV p-p
Voltage Noise Density
en
f = 1 kHz
95
nV/√Hz
Current Noise Density
in
f = 1 kHz
100
fA/√Hz