Datasheet

AD8682/AD8684
Rev. B | Page 3 of 16
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
V
S
= ±15.0 V, T
A
= 25°C, V
CM
= 0 V, unless otherwise noted.
Table 1.
Parameter Symbol Conditions Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
0.35 1 mV
AD8682 +25°C ≤ T
A
≤ +85°C 2.5 mV
−40°C ≤ T
A
≤ +25°C 3 mV
AD8684 +25°C ≤ T
A
≤ +85°C 3.5 mV
−40°C ≤ T
A
≤ +25°C 4 mV
Input Bias Current I
B
6 20 pA
−40°C ≤ T
A
≤ +85°C 125 pA
Input Offset Current I
OS
20 pA
−40°C ≤ T
A
≤ +85°C 100 pA
Input Voltage Range −11 +15 V
Common-Mode Rejection Ratio CMRR −11 V ≤ V
CM
≤ +15 V, −40°C ≤ T
A
≤ +85°C 70 90 dB
Large Signal Voltage Gain A
VO
R
L
= 10 kΩ 20 V/mV
R
L
= 10 kΩ, −40°C ≤ T
A
≤ +85°C 15 V/mV
Offset Voltage Drift ΔV
OS
/ΔT 10 μV/°C
Bias Current Drift ΔI
B
/ΔT 8 pA/°C
OUTPUT CHARACTERISTICS
Output Voltage High V
OH
R
L
= 10 kΩ 13.5 13.9 V
Output Voltage Low V
OL
R
L
= 10 kΩ −13.9 −13.5 V
Short-Circuit Limit I
SC
Source 3 10 mA
Sink −12 −8 mA
Open-Loop Output Impedance Z
OUT
f = 1 MHz 200 Ω
POWER SUPPLY
Power Supply Rejection Ratio PSRR V
S
= ±4.5 V to ±18 V, −40°C ≤ T
A
≤ +85°C 92 114 dB
Supply Current/Amplifier I
SY
V
O
= 0 V, −40°C ≤ T
A
≤ +85°C 210 250 μA
Supply Voltage Range V
S
±4.5 ±18 V
DYNAMIC PERFORMANCE
Slew Rate SR R
L
= 10 kΩ 7 9 V/μs
Full-Power Bandwidth BW
P
1% distortion 125 kHz
Settling Time t
S
To 0.01% 1.6 μs
Gain Bandwidth Product GBP 3.5 MHz
Phase Margin Ø
M
55 Degrees
NOISE PERFORMANCE
Voltage Noise e
n
p-p 0.1 Hz to 10 Hz 1.3 μV p-p
Voltage Noise Density e
n
f = 1 kHz 36 nV/√Hz
Current Noise Density i
n
0.01 pA/√Hz