CS3170 Datasheet, PDF (6/11 Pages) Applied Micro Circuits Corporation – 2.5 Gbps Transimpedance Amplifier

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
Description
Min Typ Max
Units
Conditions
R_T
AC Transimpedance
BW
-3 dB Bandwidth
6.9
10
1.9
2.3
2.7
kV/A
GHz
50 Ohm load
0.5 pF photodiode capacitance,
1.5 input bond wire inductance
BW_LF
I_PK
V_OD
I_{IN, LIM}
Low Frequency -3 dB Cutoff
Maximum Input Current
Differential output voltage
Input Current at which output
limits
45
57
2.2
1000 1200
100 125
kHz
No C_FILT connected
mA
Peak-to-peak
mV
Peak-to-peak, differential
µA
1 dB compression point
I_ND
Input Noise Current Density
I_N
Input Noise Current
6.84
8.5
pA/√(Hz) _{0 – 1.8 GHz}
290 360
nA
(Output rms noise)/RT, 1.8 GHz
bandwidth
J_T
Total Jitter (Pk to Pk)
(At 1E-12 BER)
RIPPLE
Output Ripple
-0.5
0.12
+0.5
Input is 2.488 Gbps,
2²³ - 1 PRBS. I_IN = 2.2 mA
dB
1 - 1600 MHz
Group
Group Delay Variation
-31
Delay
+31
pS
100 - 2000 MHz
S22
Output Reflection Coefficient
-18
dB
1 - 2500 MHz
R_OUT
Output Impedance
45
50
58
Ω
Table 5. DC Electrical Characteristics (V_CC = 3.3 V ± 5%, TA = -40°C to +85°C)
Parameter
Description
Min Typ Max Units
Conditions
I_CC
Supply Current
40
57
mA
V_BIAS
Input Bias Voltage
0.79 0.92 1.0
V
V_CM
Common Mode Output Voltage
V_CC
V_CC
V_CC
-0.9 -0.65 -0.25
V
50 Ω line termination to
GND (AC Coupled) or 100 Ω
line-to-line termination.
Note: AC Electrical Characteristics guaranteed by characterization.
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