Datasheet

ADA4691-2/ADA4691-4/ADA4692-2/ADA4692-4
Rev. C | Page 4 of 20
Parameter Symbol Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE
Slew Rate SR R
L
= 600 Ω, C
L
= 20 pF, A
V
= +1 1.1 V/μs
R
L
= 2 kΩ, C
L
= 20 pF, A
V
= +1 1.4 V/μs
Settling Time to 0.1% t
S
Step = 0.5 V, R
L
= 2 kΩ, 600 Ω 1 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 49 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 = 0.15 V rms 0.009 %
A
V
= −1, R
L
= 600 Ω, f = 1 kHz, V
IN
rms = 0.15 V rms 0.01 %
A
V
= +1, R
L
= 2 kΩ, f = 1 kHz, V
IN
rms = 0.15 V rms 0.006 %
A
V
= +1, R
L
= 600 Ω, f = 1 kHz, V
IN
rms = 0.15 V rms 0.009 %
Voltage Noise e
n
p-p f = 0.1 Hz to 10 Hz 3.1 μV p-p
Voltage Noise Density e
n
f = 1 kHz 16 nV/√Hz
f = 10 kHz 13 nV/√Hz
ELECTRICAL CHARACTERISTICS—5 V OPERATION
V
SY
= 5 V, V
CM
= V
SY
/2, T
A
= 25°C, unless otherwise specified.
Table 3.
Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT CHARACTERISTICS
Offset Voltage V
OS
V
CM
= −0.3 V to +3.9 V 0.5 2.5 mV
Dual (ADA469x-2) V
CM
= −0.1 V to +3.9 V; −40°C < T
A
< +125°C 3.5 mV
Quad (ADA469x-4) V
CM
= −0.1 V to +3.9 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 260 pA
Input Voltage Range −40°C < T
A
< +125°C −0.3 +3.9 V
Common-Mode Rejection Ratio CMRR V
CM
= −0.3 V to +3.9 V 75 98 dB
V
CM
= −0.1 V to +3.9 V; −40°C < T
A
< +125°C 68 dB
Large Signal Voltage Gain A
VO
R
L
= 2 kΩ, V
O
= 0.5 V to 4.5 V, V
CM
= 0 V 95 110 dB
−40°C < T
A
< +85°C 80 dB
−40°C < T
A
< +125°C 70 dB
R
L
= 600 Ω, V
O
= 0.5 V to 4.5 V, V
CM
= 0 V 90 100 dB
Input Capacitance
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 2.0 V
Logic Low Voltage (Power-Down) V
IL
−40°C < T
A
< +125°C 0.8 V
Logic Input Current (Per Pin) I
IN
−40°C < T
A
< +125°C, 0 V ≤ V
SD
≤ 2.7 V 1 μA