2.5Gbps, +3V to +5.5V, Wide Dynamic Range
Transimpedance Preamplifier
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V
- GND).................................-0.5V to +6.0V
Storage Temperature Range.............................-55°C to +150°C
Operating Junction Temperature ......................-55°C to +150°C
Processing Temperature (die) .........................................+400°C
Lead Temperature (soldering, 10s) .................................+300°C
CC
IN Current..............................................................-4mA to +4mA
FILTER Current......................................................-8mA to +8mA
Voltages at OUT+, OUT-.................(V
- 1.5V) to (V
+ 0.5V)
CC
CC
Continuous Power Dissipation (T = +85°C)
A
8-Pin SO package (derate 6.7mW/°C above +85°C) ..436mW
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V
= +3.0V to +5.5V, 100Ω load between OUT+ and OUT-, 0.1µF coupling capacitors on OUT+ and OUT-, T = -40°C to +85°C,
A
CC
unless otherwise noted. Typical values are at +3.3V, source capacitance = 0.85pF, and T = +25°C.) (Note 1)
A
PARAMETER
Input Bias Voltage
CONDITIONS
MIN
TYP
0.83
34
MAX
0.99
63
UNITS
0.66
V
mA
Ω
Supply Current
Transimpedance
Output Impedance
Differential, measured with 40µA
Single ended (per side)
input
2100
48
2750
50
3400
52
P-P
Ω
Input = 2mA
termination
with 100Ω differential output
P-P
Maximum Differential Output Voltage
220
380
750
575
930
mV
P-P
Filter Resistor
600
2
Ω
AC Input Overload
mA
P-P
DC Input Overload
1
mA
Input-Referred RMS Noise
Input-Referred Noise Density
Small-Signal Bandwidth
Low-Frequency Cutoff
490
11
668
nA
pA/√Hz
MHz
Bandwidth = 2.0GHz (Note 2)
1525
40
2000
30
-3dB, input ≤ 20µADC
kHz
Gain at 40µA
signal gain
is within 5% of the small-
P-P
Transimpedance Linear Range
Deterministic Jitter
µA
P-P
3.13V < V
< 5.5V (Note 3)
24
24
67
77
CC
ps
3.0V ≤ V
≤ 3.13V (Note 3)
CC
Output referred, f < 2MHz,
PSRR = -20log(ΔV /ΔV
Power-Supply Rejection Ratio (PSRR)
50
dB
)
CC
OUT
Note 1: Source capacitance represents the total capacitance at the IN pin during characterization of noise and bandwidth parame-
ters. Noise and bandwidth will be affected by the source capacitance. See the Typical Operating Characteristics for more
information.
Note 2: Input-referred noise is calculated as (RMS output noise) / (Gain at f = 10MHz). Noise density is (Input-Referred Noise) /
1/2
(Bandwidth) . No external filters are used for the noise measurements.
Note 3: Deterministic jitter is defined as the arithmetic sum of pulse-width distortion and pattern dependent jitter measured with a
repeating 20-bit pattern of 00111110101100000101 (K28.5). See Typical Operating Characteristics.
2
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