Datasheet

AD8601/AD8602/AD8604
Rev. G | Page 3 of 24
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
V
S
= 3 V, V
CM
= V
S
/2, T
A
= 25°C, unless otherwise noted.
Table 1.
A Grade D Grade
Parameter Symbol Conditions Min Typ Max Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage (AD8601/AD8602) V
OS
0 V ≤ V
CM
≤ 1.3 V 80 500 1100 6000 μV
−40°C ≤ T
A
≤ +85°C 700 7000 μV
−40°C ≤ T
A
≤ +125°C 1100 7000 μV
0 V ≤ V
CM
≤ 3 V
1
350 750 1300 6000 μV
−40°C ≤ T
A
≤ +85°C 1800 7000 μV
−40°C ≤ T
A
≤ +125°C 2100 7000 μV
Offset Voltage (AD8604) V
OS
V
CM
= 0 V to 1.3 V 80 600 1100 6000 μV
−40°C ≤ T
A
≤ +85°C 800 7000 μV
−40°C ≤ T
A
≤ +125°C 1600 7000 μV
V
CM
= 0 V to 3.0 V
1
350 800 1300 6000 μV
−40°C ≤ T
A
≤ +85°C 2200 7000 μV
−40°C ≤ T
A
≤ +125°C 2400 7000 μV
Input Bias Current I
B
0.2 60 0.2 200 pA
−40°C ≤ T
A
≤ +85°C 25 100 25 200 pA
−40°C ≤ T
A
≤ +125°C 150 1000 150 1000 pA
Input Offset Current I
OS
0.1 30 0.1 100 pA
−40°C ≤ T
A
≤ +85°C 50 100 pA
−40°C ≤ T
A
≤ +125°C 500 500 pA
Input Voltage Range 0 3 0 3 V
Common-Mode Rejection Ratio CMRR V
CM
= 0 V to 3 V 68 83 52 65 dB
Large Signal Voltage Gain A
VO
V
O
= 0.5 V to 2.5 V,
R
L
= 2 kΩ, V
CM
= 0 V
30 100 20 60 V/mV
Offset Voltage Drift ΔV
OS
/ΔT 2 2 μV/°C
OUTPUT CHARACTERISTICS
Output Voltage High V
OH
I
L
= 1.0 mA 2.92 2.95 2.92 2.95 V
–40°C ≤ T
A
≤ +125°C 2.88 2.88 V
Output Voltage Low V
OL
I
L
= 1.0 mA 20 35 20 35 mV
−40°C ≤ T
A
≤ +125°C 50 50 mV
Output Current I
OUT
±30 ±30 mA
Closed-Loop Output Impedance Z
OUT
f = 1 MHz, A
V
= 1 12 12 Ω
POWER SUPPLY
Power Supply Rejection Ratio PSRR V
S
= 2.7 V to 5.5 V 67 80 56 72 dB
Supply Current/Amplifier I
SY
V
O
= 0 V 680 1000 680 1000 μA
−40°C ≤ T
A
≤ +125°C 1300 1300 μA
DYNAMIC PERFORMANCE
Slew Rate SR R
L
= 2 kΩ 5.2 5.2 V/μs
Settling Time t
S
To 0.01% <0.5 <0.5 μs
Gain Bandwidth Product GBP 8.2 8.2 MHz
Phase Margin Φo 50 50 Degrees
NOISE PERFORMANCE
Voltage Noise Density e
n
f = 1 kHz 33 33 nV/√Hz
f = 10 kHz 18 18 nV/√Hz
Current Noise Density i
n
0.05 0.05 pA/√Hz
1
For V
CM
between 1.3 V and 1.8 V, V
OS
may exceed specified value.