S3170 – 2.5 Gbps Transimpedance Amplifier
Revision A – August 12, 2004
Data Sheet
Table 4. AC Electrical Characteristics (V
CC
= 3.3 V ± 5%, T
A
= -40°C to +85°C)
Parameter
R
T
BW
BW
LF
I
PK
V
OD
I
IN, LIM
I
ND
I
N
Description
AC Transimpedance
-3 dB Bandwidth
Low Frequency -3 dB Cutoff
Maximum Input Current
Differential output voltage
Input Current at which output
limits
Input Noise Current Density
Input Noise Current
Total Jitter (Pk to Pk)
(At 1E-12 BER)
Output Ripple
Group Delay Variation
Output Reflection Coefficient
Output Impedance
45
50
-0.5
-31
100
2.2
1000
125
1200
Min
6.9
1.9
Typ
10
2.3
2.7
Max
Units
kV/A
GHz
Conditions
50 Ohm load
0.5 pF photodiode capacitance,
1.5 input bond wire inductance
No C
FILT
connected
Peak-to-peak
Peak-to-peak, differential
1 dB compression point
0 – 1.8 GHz
(Output rms noise)/RT, 1.8 GHz
bandwidth
Input is 2.488 Gbps,
2
23
- 1 PRBS. I
IN
= 2.2 mA
dB
pS
dB
Ω
1 - 1600 MHz
100 - 2000 MHz
1 - 2500 MHz
45
57
kHz
mA
mV
µA
pA/
√
(Hz)
nA
6.84
290
8.5
360
0.12
J
T
RIPPLE
Group
Delay
S22
R
OUT
+0.5
+31
-18
58
Table 5. DC Electrical Characteristics (V
CC
= 3.3 V ± 5%, TA = -40°C to +85°C)
Parameter
I
CC
V
BIAS
Description
Supply Current
Input Bias Voltage
0.79
V
CC
-0.9
Min
Typ
40
0.92
V
CC
-0.65
Max
57
1.0
V
CC
-0.25
Units
mA
V
50
Ω
line termination to
GND (AC Coupled) or 100
Ω
line-to-line termination.
Conditions
V
CM
Common Mode Output Voltage
V
Note: AC Electrical Characteristics guaranteed by characterization.
6
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