ADA4897-1-EP/ADA4897-2-EP Enhanced Product
Rev. 0 | Page 6 of 12
+3 V SUPPLY
T
A
= 25°C, G = +1, R
L
= 1 kΩ to midsupply, unless otherwise noted.
Table 5.
Parameter Test Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE
−3 dB Bandwidth G = +1, V
OUT
= 0.02 V p-p 230 MHz
G = −1, V
OUT
= 1 V p-p 45 MHz
G = +2, V
OUT
= 0.02 V p-p 90 MHz
Bandwidth for 0.1 dB Flatness G = +2, V
OUT
= 2 V p-p, R
L
= 100 Ω 7 MHz
Slew Rate G = +2, V
OUT
= 1 V step 85 V/μs
Settling Time to 0.1% G = +2, V
OUT
= 2 V step 45 ns
Settling Time to 0.01% G = +2, V
OUT
= 2 V step 96 ns
NOISE/HARMONIC PERFORMANCE
Harmonic Distortion (SFDR) f
C
= 100 kHz, V
OUT
= 2 V p-p, G = +2 −105 dBc
f
C
= 1 MHz, V
OUT
= 1 V p-p, G = −1 −84 dBc
f
C
= 2 MHz, V
OUT
= 1 V p-p, G = −1 −77 dBc
f
C
= 5 MHz, V
OUT
= 1 V p-p, G = −1 −60 dBc
Input Voltage Noise f = 10 Hz 2.3 nV/√Hz
f = 100 kHz 1 nV/√Hz
Input Current Noise f = 10 Hz 11 pA/√Hz
f = 100 kHz 2.8 pA/√Hz
0.1 Hz to 10 Hz Noise G = +101, R
F
= 1 kΩ, R
G
= 10 Ω 99 nV p-p
DC PERFORMANCE
Input Offset Voltage −500 −30 +500 μV
Input Offset Voltage Drift 0.2 μV/°C
Input Bias Current −17 −11 −4 μA
Input Bias Current Drift 3 nA/°C
Input Bias Offset Current −0.6 −0.02 +0.6 μA
Open-Loop Gain V
OUT
= 0.5 V to 2.5 V 95 108 dB
INPUT CHARACTERISTICS
Input Resistance
Common-Mode 10 MΩ
Differential 10 kΩ
Input Capacitance
Common-Mode 3 pF
Differential 11 pF
Input Common-Mode Voltage Range 0.1 to 2.1 V
Common-Mode Rejection Ratio
(CMRR)
V
CM
= 1.1 V to 1.9 V −90 −124 dB
OUTPUT CHARACTERISTICS
Output Overdrive Recovery Time V
IN
= 0 V to 3 V, G = +2 83 ns
Output Voltage Swing
Positive R
L
= 1 kΩ 2.85 2.97 V
R
L
= 100 Ω 2.8 2.92 V
Negative R
L
= 1 kΩ 0.15 0.01 V
R
L
= 100 Ω 0.2 0.05 V
Output Current SFDR = −45 dBc 60 mA
Short-Circuit Current Sinking/sourcing 120 mA
Capacitive Load Drive 30% overshoot, G = +2 39 pF
