AD8605/AD8606/AD8608
2.7 V ELECTRICAL SPECIFICATIONS
Table 2. @ V
S
= 2.7 V, V
CM
= V
S
/2, T
A
= 25°C, unless otherwise noted.
Parameter
INPUT CHARACTERISTICS
Offset Voltage
AD8605/AD8606
AD8608
Symbol
V
OS
V
S
= 3.5 V, V
CM
= 3 V
V
S
= 3.5 V, V
CM
= 2.7 V
V
S
= 2.7 V, V
CM
= 0 V to 2.7 V
−40°C < T
A
< +125°C
I
B
−40°C < T
A
< +85°C
−40°C < T
A
< +125°C
−40°C < T
A
< +85°C
−40°C < T
A
< +125°C
I
OS
−40°C < T
A
< +85°C
−40°C < T
A
< +125°C
Input Voltage Range
Common-Mode Rejection Ratio
Large Signal Voltage Gain
Offset Voltage Drift
AD8605/AD8606
AD8608
INPUT CAPACITANCE
Common-Mode Input Capacitance
Differential Input Capacitance
OUTPUT CHARACTERISTICS
Output Voltage High
Output Voltage Low
Output Current
Closed-Loop Output Impedance
POWER SUPPLY
Power Supply Rejection Ratio
AD8605/AD8606
AD8608
Supply Current/Amplifier
DYNAMIC PERFORMANCE
Slew Rate
Settling Time
Gain Bandwidth Product
Phase Margin
NOISE PERFORMANCE
Peak-to-Peak Noise
Voltage Noise Density
Voltage Noise Density
Current Noise Density
CMRR
A
VO
∆V
OS
/∆T
∆V
OS
/∆T
V
CM
= 0 V to 2.7 V
−40°C < T
A
< +125°C
RL = 2 kΩ, V
O
= 0.5 V to 2.2 V
0
80
70
110
95
85
350
1
1.5
8.8
2.59
V
OH
V
OL
I
OUT
Z
OUT
PSRR
V
S
= 2.7 V to 5.5 V
V
S
= 2.7 V to 5.5 V
−40°C < T
A
< +125°C
V
O
= 0 V
−40°C < T
A
< +125°C
R
L
= 2 kΩ
To 0.01%, 0 V to 1 V step
80
77
70
95
92
90
1.15
dB
dB
dB
mA
mA
V/µs
µs
MHz
Degrees
3.5
12
µV p-p
nV/√Hz
nV/√Hz
pA/√Hz
I
L
= 1 mA
−40°C < T
A
< +125°C
I
L
= 1 mA
−40°C < T
A
< +125°C
f = 1 MHz, A
V
= 1
2.6
2.6
2.66
25
±30
12
40
50
4.5
6.0
0.1
20
20
80
0.2
65
75
300
750
1
50
250
100
300
0.5
20
75
2.7
µV
µV
µV
µV
pA
pA
pA
pA
pA
pA
pA
pA
V
dB
dB
V/mV
µV/°C
µV/°C
pF
pF
V
V
mV
mV
mA
Ω
Conditions
Min
Typ
Max
Unit
Input Bias Current
AD8605/AD8606
AD8605/AD8606
AD8608
AD8608
Input Offset Current
ISY
1.4
1.5
SR
t
S
GBP
ϕ
O
e
n
p-p
e
n
e
n
i
n
5
< 0.5
9
50
2.3
8
6.5
0.01
f = 0.1 Hz to 10 Hz
f = 1 kHz
f = 10 kHz
f = 1 kHz
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