AD8131
Rev. B | Page 3 of 20
SPECIFICATIONS
±D
IN
TO ±OUT SPECIFICATIONS
25°C, V
S
= ±5 V, V
OCM
= 0 V, G = 2, R
L, 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 1.
Parameter Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE
−3 dB Large Signal Bandwidth V
OUT
= 2 V p-p 400 MHz
−3 dB Small Signal Bandwidth V
OUT
= 0.2 V p-p 320 MHz
Bandwidth for 0.1 dB Flatness V
OUT
= 0.2 V p-p 85 MHz
Slew Rate V
OUT
= 2 V p-p, 10% to 90% 2000 V/μs
Settling Time 0.1%, V
OUT
= 2 V p-p 14 ns
Overdrive Recovery Time V
IN
= 5 V to 0 V Step 5 ns
NOISE/HARMONIC PERFORMANCE
Second Harmonic V
OUT
= 2 V p-p, 5 MHz, R
L, dm
= 200 Ω −68 dBc
V
OUT
= 2 V p-p, 20 MHz, R
L, dm
= 200 Ω −63 dBc
V
OUT
= 2 V p-p, 5 MHz, R
L, dm
= 800 Ω −95 dBc
V
OUT
= 2 V p-p, 20 MHz, R
L, dm
= 800 Ω −79 dBc
Third Harmonic V
OUT
= 2 V p-p, 5 MHz, R
L, dm
= 200 Ω −94 dBc
V
OUT
= 2 V p-p, 20 MHz, R
L, dm
= 200 Ω −70 dBc
V
OUT
= 2 V p-p, 5 MHz, R
L, dm
= 800 Ω −101 dBc
V
OUT
= 2 V p-p, 20 MHz, R
L, dm
= 800 Ω −77 dBc
IMD 20 MHz, R
L, dm
= 800 Ω −54 dBc
IP3 20 MHz, R
L, dm
= 800 Ω 30 dBm
Voltage Noise (RTO) f = 20 MHz 25 nV/√Hz
Differential Gain Error NTSC, R
L, dm
= 150 Ω 0.01 %
Differential Phase Error NTSC, R
L, dm
= 150 Ω 0.06 degrees
INPUT CHARACTERISTICS
Input Resistance Single-ended input 1.125 kΩ
Differential input 1.5 kΩ
Input Capacitance 1 pF
Input Common-Mode Voltage −7.0 to +5.0 V
CMRR ΔV
OUT, dm
/ΔV
IN, cm
; ΔV
IN, cm
= ±0.5 V −70 dB
OUTPUT CHARACTERISTICS
Offset Voltage (RTO) V
OS, dm
= V
OUT, dm
; V
DIN+
= V
DIN−
= V
OCM
= 0 V ±2 ±7 mV
T
MIN
to T
MAX
variation ±8 μV/°C
V
OCM
= float ±4 mV
T
MIN
to T
MAX
variation ±10 μV/°C
Output Voltage Swing Maximum ΔV
OUT
; single-ended output −3.6 to +3.6 V
Linear Output Current 60 mA
Gain ΔV
OUT, dm
/ΔV
IN, dm
; ΔV
IN, dm
= ±0.5 V 1.97 2 2.03 V/V
Output Balance Error ΔV
OUT, cm
/ΔV
OUT, dm
; ΔV
OUT, dm
= 1 V −70 dB
