Datasheet

AD8131
Rev. B | Page 5 of 20
±D
IN
TO ±OUT SPECIFICATIONS
25°C, V
S
= 5 V, V
OCM
= 2.5 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 3.
Parameter Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE
−3 dB Large Signal Bandwidth V
OUT
= 2 V p-p
385
MHz
−3 dB Small Signal Bandwidth V
OUT
= 0.2 V p-p
285
MHz
Bandwidth for 0.1 dB Flatness V
OUT
= 0.2 V p-p
65
MHz
Slew Rate V
OUT
= 2 V p-p, 10% to 90%
1600
V/μs
Settling Time 0.1%, V
OUT
= 2 V p-p
18
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
−67
dBc
V
OUT
= 2 V p-p, 20 MHz, R
L, dm
= 200 Ω
−56
dBc
V
OUT
= 2 V p-p, 5 MHz, R
L, dm
= 800 Ω
−94
dBc
V
OUT
= 2 V p-p, 20 MHz, R
L, dm
= 800 Ω
−77
dBc
Third Harmonic V
OUT
= 2 V p-p, 5 MHz, R
L, dm
= 200 Ω
−74
dBc
V
OUT
= 2 V p-p, 20 MHz, R
L, dm
= 200 Ω
−67
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
−74
dBc
IMD 20 MHz, R
L, dm
= 800 Ω
−51
dBc
IP3 20 MHz, R
L, dm
= 800 Ω
29
dBm
Voltage Noise (RTO) f = 20 MHz
25
nV/√Hz
Differential Gain Error NTSC, R
L, dm
= 150 Ω
0.02
%
Differential Phase Error NTSC, R
L, dm
= 150 Ω
0.08
degrees
INPUT CHARACTERISTICS
Input Resistance Single-ended input
1.125
Differential input
1.5
Input Capacitance
1
pF
Input Common-Mode Voltage
−1.0 to +4.0
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
= 2.5 V
±3 ±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
1.0 to 3.7
V
Linear Output Current
45
mA
Gain ΔV
OUT, dm
/ΔV
IN, dm
; ΔV
IN, dm
= ±0.5 V 1.96 2 2.04 V/V
Output Balance Error ΔV
OUT, cm
/ΔV
OUT, dm
; ΔV
OUT, dm
= 1 V
−62
dB