Datasheet

AD8613/AD8617/AD8619
Rev. E | Page 4 of 16
Electrical characteristics at V
SY
= 1.8 V, V
CM
= V
SY
/2, T
A
= 25°C, unless otherwise noted.
Table 2.
Parameter Symbol Conditions Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
−0.3 V < V
CM
< +1.9 V 0.4 2.2 mV
−0.3 V < V
CM
< +1.8 V; −40°C < T
A
< +125°C 2.2 mV
Offset Voltage Drift V
OS
/T −40°C < T
A
< +125°C 1 8.5 µV/°C
AD8613 3.7 9.0 µV/°C
Input Bias Current I
B
0.2 1 pA
−40°C < T
A
< +85°C 110 pA
−40°C < T
A
< +125°C 780 pA
Input Offset Current I
OS
0.1 0.5 pA
−40°C < T
A
< +85°C 50 pA
−40°C < T
A
< +125°C 250 pA
Input Voltage Range IVR 0 1.8 V
Common-Mode Rejection Ratio CMRR 0 V < V
CM
< 1.8 V 58 86 dB
−40°C < T
A
< +125°C 55 dB
Large Signal Voltage Gain A
VO
R
L
= 10 kΩ, 0.5 V < V
O
< 1.3 V 85 1000 V/mV
Input Capacitance C
DIFF
2.1 pF
C
CM
3.8 pF
OUTPUT CHARACTERISTICS
Output Voltage High V
OH
I
L
= 1 mA 1.65 1.73 V
−40°C to +125°C 1.6 V
Output Voltage Low V
OL
I
L
= 1 mA 44 60 mV
−40°C to +125°C 80 mV
Short-Circuit Current I
SC
±7 mA
Closed-Loop Output Impedance Z
OUT
f = 10 kHz, A
V
= 1 15 Ω
POWER SUPPLY
Power Supply Rejection Ratio PSRR 1.8 V < V
S
< 5 V 67 94 dB
Supply Current/Amplifier I
SY
V
O
= V
SY
/2 38 µA
−40°C <T
A
< +125°C 50 µA
DYNAMIC PERFORMANCE
Slew Rate SR R
L
= 10 kΩ 0.1 V/µs
Settling Time to 0.1% t
S
G = ±1, V
IN
= 1 V step, C
L
= 20 pF, R
L
= 1 kΩ 6.5 µs
Gain Bandwidth Product GBP R
L
= 100 kΩ 400 kHz
R
L
= 10 kΩ 350 kHz
Phase Margin Ø
M
R
L
= 10 kΩ, R
L
= 100 kΩ, C
L
= 20 pF 70 Degrees
NOISE PERFORMANCE
Peak-to-Peak Noise e
n
p-p 0.1 Hz to 10 Hz 2.3 3.5 µV
Voltage Noise Density e
n
f = 1 kHz 25 nV/√Hz
f = 10 kHz 22 nV/√Hz
Current Noise Density i
n
f = 1 kHz 0.05 pA/√Hz