Datasheet

AD8145
Rev. A | Page 5 of 24
T
A
= 25°C, V
S
= ±2.5 V, REF_x = 0 V, R
L
= 1 kΩ, C
L
= 2 pF, G = 1, T
MIN
to T
MAX
= −40°C to +105°C, unless otherwise noted.
Table 2.
Parameter Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE
−3 dB Bandwidth V
OUT
= 0.2 V p-p 450 MHz
V
OUT
= 2 V p-p 425 MHz
V
OUT
= 0.2 V p-p, G = 2, R
L
= 150 Ω 180 MHz
V
OUT
= 2 V p-p, G = 2, R
L
= 150 Ω 180 MHz
Bandwidth for 0.1 dB Flatness V
OUT
= 2 V p-p 53 MHz
V
OUT
= 2 V p-p, G = 2, R
L
= 150 Ω 100 MHz
Slew Rate V
OUT
= 2 V p-p 2000 V/μs
V
OUT
= 2 V p-p, G = 2, R
L
= 150 Ω 2000 V/μs
Settling Time V
OUT
= 2 V p-p, 0.1% 16 ns
Output Overdrive Recovery 10 ns
NOISE/DISTORTION
Second Harmonic V
OUT
= 1 V p-p, 1 MHz −71 dBc
Third Harmonic V
OUT
= 1 V p-p, 1 MHz −76 dBc
Crosstalk V
OUT
= 1 V p-p, 10 MHz −62 dB
Input Voltage Noise (RTI) f ≥ 10 kHz 13 nV/√Hz
INPUT CHARACTERISTICS
Common-Mode Rejection DC, V
CM
= −1 V to +1 V 78 86 dB
AD8145W only, T
MIN
to T
MAX
75 dB
V
CM
= 1 V p-p, f = 10 MHz 72 dB
V
CM
= 1 V p-p, f = 100 MHz 43 dB
Common-Mode Voltage Range V
+IN
− V
−IN
= 0 V ±1.25 V
Differential Operating Range ±1.6 V
Resistance Differential 1 MΩ
Common mode 1.3 MΩ
Capacitance Differential 1 pF
Common mode 2 pF
DC PERFORMANCE
Closed-Loop Gain DC, G = 2 1.960 1.985 2.016 V/V
AD8145W only, T
MIN
to T
MAX
1.930 2.030 V/V
Output Offset Voltage G = 2 −13.5 −4.5 +2 mV
AD8145W only, T
MIN
to T
MAX
−18 +8 mV
Output Offset Voltage Drift T
MIN
to T
MAX
−18 μV/°C
Input Bias Current (+IN, −IN) −6 −3.5 −0.9 μA
AD8145W only, T
MIN
to T
MAX
−7 −0.5 μA
Input Bias Current Drift T
MIN
to T
MAX
(+IN, −IN) 25 nA/°C
Input Offset Current −400 −60 +300 nA
AD8145W only, T
MIN
to T
MAX
−650 +650 nA
OUTPUT PERFORMANCE
Voltage Swing R
L
= 150 Ω −1.35 +1.3 V
AD8145W only, T
MIN
to T
MAX
−1.20 +1.15 V
Output Current 25 mA
Short-Circuit Current Short to GND, source/sink +100/−100 mA
POWER-DOWN PERFORMANCE
Power-Down V
IH
V
S+
− 1.5 V
Power-Down V
IL
V
S+
− 2.5 V
Power-Down I
IH
0.25 μA
Power-Down I
IL
50 μA
Power-Down Assert Time 1 μs