AD8646 Analog Devices, AD8646 Datasheet - Page 3

• Manufacturer Part Number: AD8646
• Description: 24 MHz Rail-to-Rail Dual Amplifier
• Manufacturer: Analog Devices

Specifications of AD8646

• -3db Bandwidth: 24MHz
• Slew Rate: 11V/µs
• Vos: 600µV
• Ib: 0.3pA
• # Opamps Per Pkg: 2
• Input Noise (nv/rthz): 6nV/rtHz
• Vcc-vee: 2.7V to 5.5V
• Isy Per Amplifier: 2mA
• Packages: SOIC,SOP

SPECIFICATIONS
V
Table 1.
Parameter
INPUT CHARACTERISTICS
OUTPUT CHARACTERISTICS
POWER SUPPLY
SHUTDOWN INPUTS (AD8647)
DYNAMIC PERFORMANCE
SY
Offset Voltage
Offset Voltage Drift
Input Bias Current
Input Offset Current
Input Voltage Range
Common-Mode Rejection Ratio
Large Signal Voltage Gain
Input Capacitance
Output Voltage High
Output Voltage Low
Output Current
Closed-Loop Output Impedance
Power Supply Rejection Ratio
Supply Current per Amplifier
Supply Current Shutdown Mode
Logic High Voltage (Enabled)
Logic Low Voltage (Power-Down)
Logic Input Current (Per Pin)
Output Pin Leakage Current
Slew Rate
Gain Bandwidth Product
Phase Margin
Settling Time
Amplifier Turn-On Time (AD8647)
Amplifier Turn-Off Time (AD8647)
= 5 V, V
Differential
Common Mode
(AD8647 Only)
CM
= V
SY
/2, T
A
= +25
o
C, unless otherwise noted.
Symbol
V
ΔV
I
I
V
CMRR
A
C
C
V
V
I
Z
PSRR
I
I
V
V
I
SR
Ø
t
t
t
GBP
B
OS
sc
SY
SD
IN
s
on
off
OS
CM
DIFF
CM
OH
OL
OUT
INH
INL
VO
m
OS
/ΔT
Conditions
V
−40°C < T
−40°C < T
−40°C < T
−40°C < T
−40°C < T
−40°C < T
V
R
I
−40°C < T
I
−40°C < T
I
−40°C < T
I
−40°C < T
Short circuit
At 1 MHz, A
V
−40°C < T
Both amplifiers shut down,
V
−40°C < T
−40°C < T
−40°C < T
−40°C < T
−40°C < T
R
To 0.1%
25°C, A
25°C, A
OUT
OUT
OUT
OUT
L
L
CM
CM
SY
IN_SDA
= 2 kΩ, V
= 2 kΩ
Rev. D | Page 3 of 20
= 2.7 V to 5.5 V
= 1 mA
= 10 mA
= 1 mA
= 10 mA
= 0 V to 5 V
= 0 V to 5 V
and V
V
V
= 1, R
= 1, R
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
< +125°C
< +125°C
< +85°C
< +125°C
< +85°C
< +125°C
< +125°C
< +125°C
< +125°C
< +125°C
< +125°C
< +125°C
< +125°C
< +125°C
< +125°C
< +125°C (shutdown active)
O
V
IN_SDB
= 0.5 V to 4.5 V
= 1
L
L
= 1 kΩ (see Figure 44)
= 1 kΩ (see Figure 45)
= 0 V
AD8646/AD8647/AD8648
Min
0
67
104
4.98
4.90
4.85
4.70
63
+2.0
Typ
0.3
0.1
±120
1.5
10
1
74
0.5
1
1
0.6
1.8
84
116
2.5
6.7
4.99
4.92
8.4
78
5
80
11
24
Max
2.5
3.2
7.5
1
50
550
0.5
50
250
5
20
40
145
200
2.0
2.5
1
+0.8
1
Unit
mV
mV
μV/°C
pA
pA
pA
pA
pA
pA
V
dB
dB
pF
pF
V
V
V
V
mV
mV
mV
mV
mA
Ω
dB
mA
mA
nA
μA
V
V
μA
nA
V/μs
MHz
Degrees
μs
μs
μs