Philips Semiconductors
Photodetector amplifiers and laser
supplies
Preliminary specification
TDA1300T; TDA1300TT
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Data amplifier; equalized single and double speed
VO(RF)
RRF
DC output voltage
transresistance
Ii(central) = 0
−
0.3
−
V
N-sub monitor mode
56
70
84
kΩ
(low gain); note 3
N-sub monitor mode
96
120
144
kΩ
(high gain); note 3
P-sub monitor mode
112
140
168
kΩ
(low gain); note 4
P-sub monitor mode
200
240
285
kΩ
(high gain); note 4
VO(RF)(max) maximum output voltage
note 5
−
−
SRRF
Zo(RF)
td(eq)
RF slew rate
RF output impedance
equalization delay
VSR = 1 V (peak-to-peak) −
6
fi = 1 MHz
−
100
−
320
td(f)
flatness delay (Φ/ω)
LS = 1; note 6
LS = 0; note 6
−
10
−
5
G/G
data amplifier gain ratio
note 6
4.5
6
BRF
unequalized output bandwidth Ii(d) = 1.67 µA
3
5
VDD − 1.2
−
−
−
−
−
−
−
V
V/µs
Ω
ns
ns
ns
dB
MHz
Control pins LDON, LS and HG (with 47 kΩ internal pull-up resistor)
VIL
LOW level input voltage
VIH
HIGH level input voltage
IIL
LOW level input current
−0.2
−
VDD − 1 −
−
−
+0.5
V
VDD + 0.2 V
100
µA
Laser output
Vo(L)
Io(L)
∆Io(L)/∆t
output voltage
output current
slew rate output current
Io(L) = 100 mA
CL = 1 nF (see Fig.8)
−0.2
−
−
−
−
3.4
VDDL − 0.7 V
−100
mA
−
mA/µs
Monitor diode input
Vref
virtual reference voltage
N-sub monitor mode
130
150
170
mV
IL
leakage current
N-sub monitor mode
−
1
−
nA
Vi(mon)
monitor input voltage
P-sub monitor mode
−
VDD − 0.7 −
V
Ii(mon)
monitor input current
P-sub monitor mode
−
−
2
mA
∆T
reference temperature drift N-sub monitor mode
−
40
−
ppm
RSref
reference supply rejection
N-sub monitor mode
−
−
1
%
1997 Jul 15
8