FOA1252A1 Datasheet, PDF (9/16 Pages) Infineon Technologies AG – 2.5 Gbit/s Transimpedance Amplifier

FOA1252A1
2.3
AC/DC Characteristics
Electrical Characteristics
Conditions: T_amb = +25 °C, V_CC = +5.0 V, C_external = 0.85 pF
Parameter
Symbol Limit Values Unit Remarks
min. typ. max.
Supply current
I_VCC
–
Input voltage
V_IN
–
Input current
I_IN
–
Input current before I_IN,CL –
clipping
47 57 mA –
+1.65 – V –
–
2200 µApp ¹⁾
30 – µApp –
Input resistance
R_IN
–
Input sensitivity
P_IN
–
Overload
P_OVL
–
Transimpedance R_T
–
Output voltage swing ∆V_OUT 0.6
(Q₊ - Q_-)
Bandwidth (-3 dB) f_3db
–
Output resistance R_OUT 48
Output voltage
VCM_OUT –
Output pattern jitter¹⁾ t_j,p
–
–
Power supply
rejection ratio
PSSR –
40 –
-23.5 –
0
–
26 –
0.78 1.1
Ω
dBm
dBm
–
BER < 10^{-9 1)}
BER < 10^{-9 1)}
kΩ differential
Vpp ^{into 2 × 50 Ω}
1600 –
60 72
V_CC - –
0.6
15 –
45 –
35 –
MHz
Ω internally connected to
V_CC
V (Q₊ + Q_-)/2
ps 50 µApp < I_IN < 500 µApp
500 µApp < I_IN < 2 mApp
dB f < 10 MHz²⁾
Bias resistance
R_BIAS 400 500 600 Ω –
Bias voltage
V_BIAS –
+4.2 – V –
Low frequency cutoff f_3db,low –
65 –
kHz AC-coupled outputs
(via 22 nF)
1) _{Data rate: 2.5 Gbit/s; data sequence: PRBS 2}23 _{- 1, overload measured electrically, 0 dBm = 1 mA average}
2) _{Generated noise on power supply: sine curve, 100 mVpp (see application note b)}
Preliminary Data Sheet
5
1998-07