Datasheet

AD8143
Rev. 0 | Page 7 of 24
V
S
= 5 V, T
A
= 25°C, REF = +2.5 V, R
L
= 150 Ω, C
L
= 2 pF, G = 1, T
MIN
to T
MAX
= −40°C to +85°C, unless otherwise noted.
Table 3.
Parameter Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE
−3 dB Bandwidth V
OUT
= 0.2 V p-p 220 MHz
V
OUT
= 2 V p-p 125 MHz
Bandwidth for 0.1dB Flatness V
OUT
= 0.2 V p-p 45 MHz
Slew Rate V
OUT
= 2 V p-p, R
L
= 1 kΩ 1000 V/μs
Settling Time V
OUT
= 2 V p-p, 1% 10 ns
V
OUT
= 2 V p-p, 0.1% 23 ns
Output Overdrive Recovery 50 ns
NOISE
Crosstalk V
OUT
= 1 V p-p, 10 MHz −70 dB
Input Voltage Noise (RTI) f ≥ 10 kHz 14 nV/√Hz
INPUT CHARACTERISTICS
Common-Mode Rejection DC, V
CM
= −3.5 V to +3.5 V 76 90 dB
V
CM
= 1 V p-p, f = 10 MHz 65 dB
V
CM
= 1 V p-p, f = 100 MHz 32 dB
Common-Mode Voltage Range V
+IN
− V
−IN
= 0 V 1.3 to 3.7 V
Differential Operating Range ±2.5 V
Resistance Differential 5 MΩ
Common-mode 3 MΩ
Capacitance Differential 2 pF
Common-mode 3 pF
DC PERFORMANCE
Open-Loop Gain V
OUT
= ±1 V 70 dB
Closed-Loop Gain Error DC, measured at G = 11 0.25 %
Input Offset Voltage −3.4 +3.4 mV
T
MIN
to T
MAX
15 μV/°C
Input Bias Current (+IN, −IN) −3 +2.7 μA
Input Bias Current (REF, FB) −4.5 +3 μA
Input Bias Current Drift T
MIN
to T
MAX
(+IN, −IN, REF, FB) 16 nA/°C
Input Offset Current (+IN, −IN, REF, FB) −2.3 +1.3 μA
Input Offset Current Drift T
MIN
to T
MAX
±3 nA/°C
OUTPUT PERFORMANCE
Voltage Swing R
LOAD
= 150 Ω 0.88 3.58 V
Output Current 40 mA
Short Circuit Current Short to GND 150 mA
COMPARATOR PERFORMANCE
V
OH
R
L
= 10 kΩ 3.02 V
V
OL
R
L
= 10 kΩ 0.25 V
Hysteresis Width 32 mV
Input Bias Current Input driven low 3.5 μA
Propagation Delay, t
PLH
20 ns
Propagation Delay, t
PHL
15 ns
Output Rise Time 10% to 90% 15 ns
Output Fall Time 10% to 90% 11 ns
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
PD = V
CC
1 μA
Power-Down I
IL
PD = GND 230 μA
Power-Down Assert Time 0.5 μs