Datasheet

ADA4851-1/ADA4851-2/ADA4851-4
Rev. J | Page 6 of 24
SPECIFICATIONS WITH +5 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 2.
Parameter Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE
−3 dB Bandwidth G = +1, V
OUT
= 0.1 V p-p 96 125 MHz
ADA4851-1W/2W/4W only: T
MIN
to T
MAX
90 MHz
G = +1, V
OUT
= 0.5 V p-p 72 96 MHz
ADA4851-1W/2W/4W only: T
MIN
to T
MAX
64 MHz
G = +2, V
OUT
= 1.4 V p-p, R
L
= 150 Ω 35 MHz
Bandwidth for 0.1 dB Flatness G = +2, V
OUT
= 1.4 V p-p, R
L
= 150 Ω 11 MHz
Slew Rate G = +2, V
OUT
= 2 V step 200 V/μs
Settling Time to 0.1% G = +2, V
OUT
= 2 V step, R
L
= 150 Ω 55 ns
NOISE/DISTORTION PERFORMANCE
Harmonic Distortion, HD2/HD3 f
C
= 1 MHz, V
OUT
= 2 V p-p, G = +1 −80/−100 dBc
Input Voltage Noise f = 100 kHz 10 nV/√Hz
Input Current Noise f = 100 kHz 2.5 pA/√Hz
Differential Gain G = +2, NTSC, R
L
= 150 Ω, V
OUT
= 2 V p-p 0.08 %
Differential Phase G = +2, NTSC, R
L
= 150 Ω, V
OUT
= 2 V p-p 0.11 Degrees
Crosstalk (RTI)—ADA4851-2/ADA4851-4 f = 5 MHz, G = +2, V
OUT
= 2.0 V p-p −70/−60 dB
DC PERFORMANCE
Input Offset Voltage 0.6 3.4 mV
ADA4851-1W/2W/4W only: T
MIN
to T
MAX
7.4 mV
Input Offset Voltage Drift 4 μV/°C
Input Bias Current 2.2 3.9 μA
ADA4851-1W/2W/4W only: T
MIN
to T
MAX
4.9 μA
Input Bias Current Drift 6 nA/°C
Input Bias Offset Current 20 nA
Open-Loop Gain V
OUT
= 1 V to 4 V 97 107 dB
ADA4851-1W/2W/4W only: T
MIN
to T
MAX
90 dB
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 +2.8 V
Input Overdrive Recovery Time (Rise/Fall) V
IN
= +5.5 V, −0.5 V, G = +1 50/45 ns
Common-Mode Rejection Ratio V
CM
= 0 V to 2 V −86 −105 dB
ADA4851-1W/2W/4W only: T
MIN
to T
MAX
−80 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 50 ns
Power-Down Bias Current
Enabled
POWER DOWN
= 5 V
33 40 μA
ADA4851-1W only: T
MIN
to T
MAX
40 μA
Power-Down
POWER DOWN
= 0 V
−22 −30 μA
ADA4851-1W only: T
MIN
to T
MAX
−30 μA