Datasheet

ADA4691-2/ADA4691-4/ADA4692-2/ADA4692-4
Rev. C | Page 5 of 20
Parameter Symbol Test Conditions/Comments Min Typ Max Unit
OUTPUT CHARACTERISTICS
Output Voltage High V
OH
R
L
= 2 kΩ 4.95 4.97 V
−40°C ≤ T
A
≤ +125°C 4.90 V
R
L
= 600 Ω to GND 4.85 4.88 V
−40°C ≤ T
A
≤ +125°C 4.80 V
Output Voltage Low V
OL
R
L
= 2 kΩ 30 35 mV
−40°C ≤ T
A
≤ +125°C 50 mV
R
L
= 600 Ω 100 110 mV
−40°C ≤ T
A
≤ +125°C 155 mV
Short-Circuit Limit I
SC
V
OUT
= V
SY
or GND ±55 mA
Closed-Loop Output Impedance Z
OUT
ADA4691-2, f = 1 MHz, A
V
= −100 364 Ω
ADA4691-2, f = 1 MHz, A
V
= −100 246 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
SY
= 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
/2 180 225 μA
−40°C ≤ T
A
≤ +125°C 275 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
DYNAMIC PERFORMANCE
Slew Rate SR R
L
= 2 kΩ, 600 Ω, C
L
= 20 pF, A
V
= +1 1.3 V/μs
Settling Time to 0.1% t
S
V
IN
= 2 V step, R
L
= 2 kΩ or 600 Ω 1.5 μs
Gain Bandwidth Product GBP R
L
= 1 MΩ, C
L
= 35 pF, A
V
= +1 3.6 MHz
Phase Margin Φ
M
R
L
= 1 MΩ, C
L
= 35 pF, A
V
= +1 52 Degrees
Turn-On/Turn-Off Time R
L
= 600 Ω 1 μs
NOISE PERFORMANCE
Distortion THD + N A
V
= −1, R
L
= 2 kΩ, f = 1 kHz, V
IN
rms = 0.8 V rms 0.006 %
A
V
= −1, R
L
= 600 Ω, f = 1 kHz, V
IN
rms = 0.8 V rms 0.008 %
A
V
= +1, R
L
= 2 kΩ, f = 1 kHz, V
IN
rms = 0.8 V rms 0.001 %
A
V
= +1, R
L
= 600 Ω, f = 1 kHz, V
IN
rms = 0.8 V rms 0.003 %
Voltage Noise e
n
p-p f = 0.1 Hz to 10 Hz 3.2 μV p-p
Voltage Noise Density e
n
f = 1 kHz 16 nV/√Hz
e
n
f = 10 kHz 13 nV/√Hz