Datasheet

AD8531/AD8532/AD8534
Rev. F | Page 4 of 20
V
S
= 5.0 V, V
CM
= 2.5 V, T
A
= 25°C, unless otherwise noted.
Table 2.
Parameter Symbol Conditions Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
25 mV
−40°C ≤ T
A
≤ +85°C 30 mV
Input Bias Current I
B
5 50 pA
−40°C ≤ T
A
≤ +85°C 60 pA
Input Offset Current I
OS
1 25 pA
−40°C ≤ T
A
≤ +85°C 30 pA
Input Voltage Range 0 5 V
Common-Mode Rejection Ratio CMRR V
CM
= 0 V to 5 V 38 47 dB
Large Signal Voltage Gain A
VO
R
L
= 2 kΩ, V
O
= 0.5 V to 4.5 V 15 80 V/mV
Offset Voltage Drift ΔV
OS
/ΔT −40°C ≤ T
A
≤ +85°C 20 μV/°C
Bias Current Drift ΔI
B
/ΔT 50 fA/°C
Offset Current Drift ΔI
OS
/ΔT 20 fA/°C
OUTPUT CHARACTERISTICS
Output Voltage High V
OH
I
L
= 10 mA 4.9 4.94 V
−40°C ≤ T
A
≤ +85°C 4.85 V
Output Voltage Low V
OL
I
L
= 10 mA 50 100 mV
−40°C ≤ T
A
≤ +85°C 125 mV
Output Current I
OUT
±250 mA
Closed-Loop Output Impedance Z
OUT
f = 1 MHz, A
V
= 1 40 Ω
POWER SUPPLY
Power Supply Rejection Ratio PSRR V
S
= 3 V to 6 V 45 55 dB
Supply Current/Amplifier I
SY
V
O
= 0 V 0.75 1.25 mA
−40°C ≤ T
A
≤ +85°C 1.75 mA
DYNAMIC PERFORMANCE
Slew Rate SR R
L
= 2 kΩ 5 V/μs
Full-Power Bandwidth BW
p
1% distortion 350 kHz
Settling Time t
S
To 0.01% 1.4 μs
Gain Bandwidth Product GBP 3 MHz
Phase Margin фo 70 Degrees
Channel Separation CS f = 1 kHz, R
L
= 2 kΩ 65 dB
NOISE PERFORMANCE
Voltage Noise Density e
n
f = 1 kHz 45 nV/√Hz
f = 10 kHz 30 nV/√Hz
Current Noise Density i
n
f = 1 kHz 0.05 pA/√Hz