Datasheet

AD8613/AD8617/AD8619
Rev. E | Page 3 of 16
SPECIFICATIONS
Electrical characteristics at V
SY
= 5 V, V
CM
= V
SY
/2, T
A
= 25°C, unless otherwise noted.
Table 1.
Parameter Symbol Conditions Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
−0.3 V < V
CM
< +5.3 V 0.4 2.2 mV
−40°C < T
A
< +125°C, −0.3 V < V
CM
< +5.2 V 2.2 mV
Offset Voltage Drift V
OS
/T −40°C < T
A
< +125°C 1 4.5 µV/°C
AD8613 2.5 7.0 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 5 V
Common-Mode Rejection Ratio CMRR 0 V < V
CM
< 5 V 95 dB
−40°C < T
A
< +125°C 68 dB
Large Signal Voltage Gain A
VO
R
L
= 10 kΩ, 0.5 V < V
O
< 4.5 V 235 500 V/mV
Input Capacitance C
DIFF
1.9 pF
C
CM
2.5 pF
OUTPUT CHARACTERISTICS
Output Voltage High V
OH
I
L
= 1 mA 4.95 4.98 V
−40°C to +125°C 4.9 V
I
L
= 10 mA 4.7 V
−40°C to +125°C 4.50 V
Output Voltage Low V
OL
I
L
= 1 mA 20 30 mV
−40°C to +125°C 50 mV
I
L
= 10 mA 190 275 mV
−40°C to +125°C 335 mV
Short-Circuit Current I
SC
±80 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
SY
< 5 V 67 94 dB
−40°C < T
A
< +125°C 64 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
= 2 V step, C
L
= 20 pF, R
L
= 1 kΩ 23 s
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