ADA4851-1/ADA4851-2/ADA4851-4
Rev. J | Page 4 of 24
SPECIFICATIONS
SPECIFICATIONS WITH +3 V SUPPLY
T
A
= 25°C, R
F
= 0 Ω for G = +1, R
F
= 1 kΩ for G > +1, R
L
= 1 kΩ, unless otherwise noted.
Table 1.
Parameter Conditions/Comments Min Typ Max Unit
DYNAMIC PERFORMANCE
−3 dB Bandwidth G = +1, V
OUT
= 0.1 V p-p
104 130 MHz
ADA4851-1W/2W/4W only: T
MIN
to T
MAX
95 MHz
G = +1, V
OUT
= 0.5 V p-p 80 105 MHz
ADA4851-1W/2W/4W only: T
MIN
to T
MAX
72 MHz
G = +2, V
OUT
= 1 V p-p, R
L
= 150 Ω 40 MHz
Bandwidth for 0.1 dB Flatness G = +2, V
OUT
= 1 V p-p, R
L
= 150 Ω 15 MHz
Slew Rate G = +2, V
OUT
= 1 V step 100 V/μs
Settling Time to 0.1% G = +2, V
OUT
= 1 V step, R
L
= 150 Ω 50 ns
NOISE/DISTORTION PERFORMANCE
Harmonic Distortion, HD2/HD3 f
C
= 1 MHz, V
OUT
= 1 V p-p, G = −1 −73/−79 dBc
Input Voltage Noise f = 100 kHz 10 nV/√Hz
Input Current Noise f = 100 kHz 2.5 pA/√Hz
Differential Gain G = +3, NTSC, R
L
= 150 Ω, V
OUT
= 2 V p-p 0.44 %
Differential Phase G = +3, NTSC, R
L
= 150 Ω, V
OUT
= 2 V p-p 0.41 Degrees
Crosstalk (RTI)—ADA4851-2/ADA4851-4 f = 5 MHz, G = +2, V
OUT
= 1.0 V p-p −70/−60 dB
DC PERFORMANCE
Input Offset Voltage 0.6 3.3 mV
ADA4851-1W/2W/4W only: T
MIN
to T
MAX
7.3 mV
Input Offset Voltage Drift 4 μV/°C
Input Bias Current
2.3 4.0 μA
ADA4851-1W/2W/4W only: T
MIN
to T
MAX
5.0 μA
Input Bias Current Drift 6 nA/°C
Input Bias Offset Current 20 nA
Open-Loop Gain V
OUT
= 0.25 V to 0.75 V 80 105 dB
ADA4851-1W/2W/4W only: T
MIN
to T
MAX
78 dB
ADA4851-1W only: T
MIN
to T
MAX
75
INPUT CHARACTERISTICS
Input Resistance Differential/common-mode 0.5/5.0 MΩ
Input Capacitance 1.2 pF
Input Common-Mode Voltage Range −0.2 to +0.8 V
Input Overdrive Recovery Time (Rise/Fall) V
IN
= +3.5 V, −0.5 V, G = +1 60/60 ns
Common-Mode Rejection Ratio V
CM
= 0 V to 0.5 V −81 −103 dB
ADA4851-1W/2W/4W
only: T
MIN
to T
MAX
−65 dB
POWER-DOWN—ADA4851-1 ONLY
Power-Down Input Voltage Power-down <1.1 V
Power-up >1.6 V
Turn-Off Time 0.7 μs
Turn-On Time 60 ns
Power-Down Bias Current
Enabled
POWER DOWN
= 3 V
4 10 μA
ADA4851-1W only: T
MIN
to T
MAX
10 μA
Power-Down
POWER DOWN
= 0 V
−14 −20 μA
ADA4851-1W only: T
MIN
to T
MAX
−20 μA
