AD8672-EP Enhanced Product
Rev. 0 | Page 4 of 8
ELECTRICAL CHARACTERISTICS, ±15 V
V
S
= ±15.0 V, V
CM
= 0 V, T
A
= 25°C, unless otherwise specified.
Table 2.
Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
20 75 μV
−55°C < T
A
< +125°C 30 125 μV
Offset Voltage Drift ∆V
OS
/∆T −55°C < T
A
< +125°C 0.3 0.8 μV/°C
Input Bias Current I
B
−14 +3 +14 nA
25°C < T
A
< 125°C −20 +5 +20 nA
−55°C < T
A
< +125°C −60 +8 +60 nA
Input Offset Current I
OS
−14 +6 +14 nA
25°C < T
A
< 125°C −20 +6 +20 nA
−55°C < T
A
< +125°C −60 +8 +60 nA
Input Voltage Range −12 +12 V
Common-Mode Rejection Ratio CMRR V
CM
= −12 V to +12 V 100 120 dB
Large Signal Voltage Gain A
VO
R
L
= 2 kΩ, V
O
= −10 V to +10 V 1000 6000 V/mV
Input Capacitance
Common Mode C
INCM
6.25 pF
Differential Mode C
INDM
7.5 pF
Input Resistance
Common Mode R
IN
3.5 GΩ
Differential Mode R
INDM
15 MΩ
OUTPUT CHARACTERISTICS
Output Voltage
High V
OH
R
L
= 2 kΩ, −55°C to +125°C 13.2 13.8 V
R
L
= 600 Ω 11 12.3 V
Low V
OL
R
L
= 2 kΩ, −55°C to +125°C −13.8 −13.2 V
R
L
= 600 Ω −12.4 −11 V
Output Current I
OUT
±20 mA
Short Circuit Current I
SC
±30 mA
POWER SUPPLY
Power Supply Rejection Ratio PSRR V
S
= ±4 V to ±18 V 110 130 dB
Supply Current per Amplifier I
SY
V
O
= 0 V 3 3.5 mA
−55°C < T
A
< +125°C 4.2 mA
DYNAMIC PERFORMANCE
Slew Rate SR R
L
= 2 kΩ 4 V/μs
Settling Time t
S
To 0.1% (10 V step, G = 1) 2.2 μs
To 0.01% (10 V step, G = 1) 6.3 μs
Gain Bandwidth Product GBP 10 MHz
NOISE PERFORMANCE
Peak-to-Peak Noise e
n p-p
0.1 Hz to 10 Hz 77 100 nV p-p
Voltage Noise Density e
n
f = 1 kHz 2.8 3.8 nV/√Hz
Current Noise Density i
n
f = 1 kHz 0.3 pA/√Hz
Channel Separation C
S
f = 1 kHz −130 dB
f = 10 kHz −105 dB
