Datasheet

AD8502/AD8504
Rev. A | Page 3 of 16
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
@ V
S
= 5 V, V
CM
= V
S
/2, T
A
= 25°C, unless otherwise noted.
Table 2.
Parameter Symbol Conditions Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
0 V < V
CM
< 5 V 0.5 3 mV
−40°C < T
A
< +85°C 5 mV
−40°C < T
A
< +125°C 5.5 mV
Offset Voltage Drift ΔV
OS
/ΔT −40°C < T
A
< +85°C 7 μV/°C
−40°C < T
A
< +125°C 5 μV/°C
Input Bias Current I
B
0 V < V
CM
< 5 V 1 10 pA
−40°C < T
A
< +85°C 100 pA
−40°C < T
A
< +125°C 600 pA
Input Offset Current I
OS
0 V < V
CM
< 5 V 0.5 5 pA
−40°C < T
A
< +85°C 50 pA
−40°C < T
A
< +125°C 100 pA
Input Voltage Range IVR 0 5.0 V
Common-Mode Rejection Ratio CMRR 0 V < V
CM
< 5 V 67 76 dB
−40°C < T
A
< +85°C 65 dB
−40°C to +125°C 65 dB
Large Signal Voltage Gain A
VO
0.1 V < V
OUT
< 4.9 V; R
LOAD
= 1 MΩ 98 120 dB
0.1 V < V
OUT
< 4.9 V; −40°C < T
A
< +85°C 93 dB
0.1 V < V
OUT
< 4.9 V; −40°C < T
A
< +125°C 75 dB
Input Capacitance C
DIFF
2 pF
C
CM
4.5 pF
OUTPUT CHARACTERISTICS
Output Voltage High V
OH
R
LOAD
= 100 kΩ to GND 4.970 4.990 V
−40°C < T
A
< +85°C 4.960 V
−40°C to +125°C 4.950 V
R
LOAD
= 10 kΩ to GND 4.900 4.930 V
−40°C < T
A
< +85°C 4.810 V
−40°C to +125°C 4.650 V
Output Voltage Low V
OL
R
LOAD
= 100 kΩ to V
S
1.6 5 mV
−40°C < T
A
< +85°C 7 mV
−40°C to +125°C 7 mV
R
LOAD
= 10 kΩ to V
S
15 20 mV
−40°C < T
A
< +85°C 37 mV
−40°C to +125°C 40 mV
Short-Circuit Current I
SC
V
OUT
= GND ±5 mA
POWER SUPPLY
Power Supply Rejection Ratio PSRR 1.8 V < V
S
< 5 V 85 105 dB
−40°C < T
A
< +85°C 66 dB
−40°C < T
A
< +125°C 66 dB
Supply Current/Amplifier I
SY
V
O
= V
S
/2 0.75 1 μA
−40°C < T
A
< +85°C 1.5 μA
−40°C < T
A
< +125°C 2 μA
DYNAMIC PERFORMANCE
Slew Rate SR R
LOAD
= 1 MΩ 0.004 V/μs
Gain Bandwidth Product GBP 7 kHz
Phase Margin Ø
O
60 Degrees