Datasheet

AD8622/AD8624 Data Sheet
Rev. D | Page 4 of 20
ELECTRICAL CHARACTERISTICS—±15 V OPERATION
V
SY
= ±15 V, V
CM
= 0 V, T
A
= 25°C, unless otherwise specified.
Table 3.
Parameter Symbol Conditions Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
10 125 μV
−40°C ≤ T
A
≤ +125°C 230 μV
Offset Voltage Drift ΔV
OS
/ΔT −40°C ≤ T
A
≤ +125°C 0.5 1.2 μV/°C
Input Bias Current
I
B
45
200
pA
−40°C ≤ T
A
≤ +125°C 500 pA
Input Offset Current I
OS
35 200 pA
−40°C ≤ T
A
≤ +125°C 500 pA
Input Voltage Range −13.8 +13.8 V
Common-Mode Rejection Ratio CMRR V
CM
= −13.8 V to +13.8 V 125 135 dB
−40°C ≤ T
A
≤ +125°C 112 dB
Open-Loop Gain A
VO
R
L
= 10 kΩ, V
O
= −13.5 V to +13.5 V 125 137 dB
−40°C ≤ T
A
≤ +125°C 120 dB
Input Resistance, Differential Mode R
INDM
1 GΩ
Input Resistance, Common Mode R
INCM
1 TΩ
Input Capacitance, Differential Mode
C
INDM
5.5
pF
Input Capacitance, Common Mode C
INCM
3 pF
OUTPUT CHARACTERISTICS
Output Voltage High
V
OH
R
L
= 100 kΩ to ground
14.94
14.97
V
−40°C ≤ T
A
≤ +125°C 14.84 V
R
L
= 10 kΩ to ground 14.86 14.89 V
−40°C ≤ T
A
≤ +125°C 14.75 V
Output Voltage Low V
OL
R
L
= 100 kΩ to ground −14.97 −14.94 V
−40°C ≤ T
A
≤ +125°C −14.92 V
R
L
= 10 kΩ to ground −14.89 −14.90 V
−40°C ≤ T
A
≤ +125°C −14.80 V
Short-Circuit Current I
SC
±40 mA
Closed-Loop Output Impedance Z
OUT
f = 1 kHz, A
V
= 1 1.5 Ω
POWER SUPPLY
Power Supply Rejection Ratio PSRR V
S
= ±2.0 V to ±18.0 V 125 145 dB
−40°C ≤ T
A
≤ +125°C 120 dB
Supply Current/Amplifier I
SY
I
O
= 0 mA 215 250 μA
−40°C ≤ T
A
≤ +125°C
350
μA
DYNAMIC PERFORMANCE
Slew Rate SR R
L
= 10 kΩ, C
L
= 100 pF, A
V
= 1 0.48 V/μs
Gain Bandwidth Product
GBP R
L
= 10 kΩ, C
L
= 20 pF, A
V
= 1 560 kHz
Phase Margin Φ
M
R
L
= 10 kΩ, C
L
= 20 pF, A
V
= 1 75 Degrees
NOISE PERFORMANCE
Voltage Noise e
n
p-p f = 0.1 Hz to 10 Hz 0.2 μV p-p
Voltage Noise Density e
n
f = 1 kHz 11 nV/√Hz
Uncorrelated Current Noise Density i
n_uncorr
f = 1 kHz 0.15 pA/√Hz
Correlated Current Noise Density i
n_corr
f = 1 kHz 0.06 pA/√Hz