Datasheet

AD8055/AD8056
Rev. J | Page 3 of 16
SPECIFICATIONS
T
A
= 25°C, V
S
= ±5 V, R
F
= 402 , R
L
= 100 , Gain = +2, unless otherwise noted.
Table 1.
AD8055A/AD8056A
Parameter Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE
−3 dB Bandwidth G = +1, V
O
= 0.1 V p-p 220 300 MHz
G=+1, V
O
= 2 V p-p 125 150 MHz
G=+2, V
O
= 0.1 V p-p 120 160 MHz
G=+2, V
O
= 2 V p-p 125 150 MHz
Bandwidth for 0.1 dB Flatness V
O
= 100 mV p-p 25 40 MHz
Slew Rate G = +1, V
O
= 4 V step 1000 1400 V/μs
G = +2, V
O
= 4 V step 750 840 V/μs
Settling Time to 0.1% G = +2, V
O
= 2 V step 20 ns
Rise and Fall Time, 10% to 90% G = +1, V
O
= 0.5 V step 2 ns
G = +1, V
O
= 4 V step 2.7 ns
G = +2, V
O
= 0.5 V step 2.8 ns
G = +2, V
O
= 4 V step 4 ns
NOISE/HARMONIC PERFORMANCE
Total Harmonic Distortion f
C
= 10 MHz, V
O
= 2 V p-p, R
L
= 1 kΩ −72 dBc
f
C
= 20 MHz, V
O
= 2 V p-p, R
L
= 1 kΩ −57 dBc
Crosstalk, Output-to-Output (AD8056) f = 5 MHz, G = +2 −60 dB
Input Voltage Noise f = 100 kHz 6 nV/√Hz
Input Current Noise f = 100 kHz 1 pA/√Hz
Differential Gain Error NTSC, G = +2, R
L
= 150 Ω 0.01 %
NTSC, G = +2, R
L
= 37.5 Ω 0.02 %
Differential Phase Error NTSC, G = +2, R
L
= 150 Ω 0.02 Degree
NTSC, G = +2, R
L
= 37.5 Ω 0.1 Degree
DC PERFORMANCE
Input Offset Voltage 3 5 mV
T
MIN
to T
MAX
10 mV
Offset Drift 6 μV/°C
Input Bias Current 0.4 1.2 μA
T
MIN
to T
MAX
1 μA
Open-Loop Gain V
O
= ±2.5 V 66 71 dB
T
MIN
to T
MAX
64 dB
INPUT CHARACTERISTICS
Input Resistance 10
Input Capacitance 2 pF
Input Common-Mode Voltage Range 3.2 ±V
Common-Mode Rejection Ratio V
CM
= ±2.5 V 82 dB
OUTPUT CHARACTERISTICS
Output Voltage Swing R
L
= 150 Ω 2.9 3.1 ±V
Output Current
1
V
O
= ±2.0 V 55 60 mA
Short-Circuit Current
1
110 mA