AD8131
Rev. B | Page 5 of 20
±DIN TO ±OUT SPECIFICATIONS
25°C, VS = 5 V, VOCM = 2.5 V, G = 2, RL, dm = 200 Ω, unless otherwise noted. Refer to Figure 5 and Figure 39 for test setup and label descriptions. All specifications refer to single-ended input and differential outputs, unless otherwise noted.
Table 3.
Parameter
Conditions
Min
Typ
Max
Unit
DYNAMIC PERFORMANCE
3 dB Large Signal Bandwidth
VOUT = 2 V p-p
385
MHz
3 dB Small Signal Bandwidth
VOUT = 0.2 V p-p
285
MHz
Bandwidth for 0.1 dB Flatness
VOUT = 0.2 V p-p
65
MHz
Slew Rate
VOUT = 2 V p-p, 10% to 90%
1600
V/μs
Settling Time
0.1%, VOUT = 2 V p-p
18
ns
Overdrive Recovery Time
VIN = 5 V to 0 V Step
5
ns
NOISE/HARMONIC PERFORMANCE
Second Harmonic
VOUT = 2 V p-p, 5 MHz, RL, dm = 200 Ω
67
dBc
VOUT = 2 V p-p, 20 MHz, RL, dm = 200 Ω
56
dBc
VOUT = 2 V p-p, 5 MHz, RL, dm = 800 Ω
94
dBc
VOUT = 2 V p-p, 20 MHz, RL, dm = 800 Ω
77
dBc
Third Harmonic
VOUT = 2 V p-p, 5 MHz, RL, dm = 200 Ω
74
dBc
VOUT = 2 V p-p, 20 MHz, RL, dm = 200 Ω
67
dBc
VOUT = 2 V p-p, 5 MHz, RL, dm = 800 Ω
95
dBc
VOUT = 2 V p-p, 20 MHz, RL, dm = 800 Ω
74
dBc
IMD
20 MHz, RL, dm = 800 Ω
51
dBc
IP3
20 MHz, RL, dm = 800 Ω
29
dBm
Voltage Noise (RTO)
f = 20 MHz
25
nV/√Hz
Differential Gain Error
NTSC, RL, dm = 150 Ω
0.02
%
Differential Phase Error
NTSC, RL, dm = 150 Ω
0.08
degrees
INPUT CHARACTERISTICS
Input Resistance
Single-ended input
1.125
kΩ
Differential input
1.5
kΩ
Input Capacitance
1
pF
Input Common-Mode Voltage
1.0 to +4.0
V
CMRR
ΔVOUT, dm/ΔVIN, cm; ΔVIN, cm = ±0.5 V
70
dB
OUTPUT CHARACTERISTICS
Offset Voltage (RTO)
VOS, dm = VOUT, dm; VDIN+ = VDIN = VOCM = 2.5 V
±3
±7
mV
TMIN to TMAX variation
±8
μV/°C
VOCM = float
±4
mV
TMIN to TMAX variation
±10
μV/°C
Output Voltage Swing
Maximum ΔVOUT; single-ended output
1.0 to 3.7
V
Linear Output Current
45
mA
Gain
ΔVOUT, dm/ΔVIN, dm; ΔVIN, dm = ±0.5 V
1.96
2
2.04
V/V
Output Balance Error
ΔVOUT, cm/ΔVOUT, dm; ΔVOUT, dm = 1 V
62
dB