Datasheet

ADA4691-2/ADA4691-4/ADA4692-2/ADA4692-4
Rev. C | Page 3 of 20
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—2.7 V OPERATION
V
SY
= 2.7 V, V
CM
= V
SY
/2, T
A
= 25°C, unless otherwise specified.
Table 2.
Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
V
CM
= −0.3 V to +1.6 V 0.5 2.5 mV
Dual (ADA469x-2) V
CM
= −0.1 V to +1.6 V; −40°C < T
A
< +125°C 3.5 mV
Quad (ADA469x-4) V
CM
= −0.1 V to +1.6 V; −40°C < T
A
< +125°C 4.0 mV
Offset Voltage Drift ΔV
OS
/ΔT −40°C < T
A
< +125°C 1 4 μV/°C
Input Bias Current I
B
0.5 5 pA
−40°C < T
A
< +125°C 360 pA
Input Offset Current I
OS
1 8 pA
−40°C < T
A
< +125°C 225 pA
Input Voltage Range −40°C < T
A
< +125°C −0.3 +1.6 V
Common-Mode Rejection Ratio CMRR V
CM
= −0.3 V to +1.6 V 70 90 dB
V
CM
= −0.1 V to +1.6 V; −40°C < T
A
< +125°C 62 dB
Large Signal Voltage Gain A
VO
R
L
= 2 kΩ, V
OUT
= 0.5 V to 2.2 V 90 100 dB
−40°C < T
A
< +85°C 80 dB
−40°C < T
A
< +125°C 63 dB
R
L
= 600 Ω, V
OUT
= 0.5 V to 2.2 V 85 95 dB
Input Capacitance C
IN
Differential Mode C
INDM
2.5 pF
Common Mode C
INCM
7 pF
Logic High Voltage (Enabled) V
IH
−40°C < T
A
< +125°C 1.6 V
Logic Low Voltage (Power-Down) V
IL
−40°C < T
A
< +125°C 0.5 V
Logic Input Current (Per Pin) I
IN
−40°C < T
A
< +125°C, 0 V ≤ V
SD
≤ 2.7 V 1 μA
OUTPUT CHARACTERISTICS
Output Voltage High V
OH
R
L
= 2 kΩ to GND 2.65 2.67 V
−40°C < T
A
< +125°C 2.6 V
R
L
= 600 Ω to GND 2.55 2.59 V
−40°C < T
A
< +125°C 2.5 V
Output Voltage Low V
OL
R
L
= 2 kΩ to V
SY
24 30 mV
−40°C < T
A
< +125°C 40 mV
R
L
= 600 Ω to V
SY
78 95 mV
−40°C < T
A
< +125°C 130 mV
Short-Circuit Current I
SC
V
OUT
= V
SY
or GND ±15 mA
Closed-Loop Output Impedance Z
OUT
f = 1 MHz, A
V
= −100 372 Ω
Output Pin Leakage Current −40°C < T
A
< +125°C, shutdown active, V
SD
= V
SS
10 nA
POWER SUPPLY
Power Supply Rejection Ratio PSRR V
S
= 2.7 V to 5.5 V 80 90 dB
−40°C < T
A
< +125°C 75 dB
Supply Current Per Amplifier I
SY
V
OUT
= V
SY
/2 165 200 μA
−40°C < T
A
< +125°C 240 μA
Supply Current Shutdown Mode I
SD
All amplifiers shut down, V
SD
= V
SS
10 nA
−40°C < T
A
< +125°C 2 μA