TDA1302_1 8 Wed Sep 14 13:30:56 1994
Philips Semiconductors
Data amplifier and laser supply circuit for
CD player and read only optical systems
Preliminary specification
TDA1302T
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
Data amplifier; equalized single and double speed
VRFO
RRF
VRFMO
SRRF
ZoRF
td(eq)
td(f)
GR
BRF
DC output voltage
transresistance
output voltage
slew rate
output impedance
equalization delay
flatness delay (Φ/ω)
gain ratio
unequalized output bandwidth
Icsin = 0
−
fi = 100 kHz; note 4
100
fi = 100 kHz; note 5
200
note 6
−
VSR = 1 V (p-p)
−
fi = 1 MHz
−
note 7
−
LS = 1 or 0; notes 7 and 8 −
note 8
4.5
Ii(d) = 1.67 µA
3
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
−
Laser output
Vo(l)
output voltage
Io(l)
output current
Io(l) = 100 mA
−0.2
−
Monitor diode input
Vi(mon)
monitor input voltage
Ii(mon) = −1 mA
−
Ii(mon)
monitor input current
−
Reference source VGAP and laser adjustment current IADJ
Vref
∆T
SRref
IADJ
Zi
dlo(l)/dt
M
reference voltage
reference temperature drift
reference supply rejection
adjustment current
input impedance
slew rate output current
multiplying factor (Ii(mon)/IADJ)
RADJ = 48 kΩ
RADJ = 48 kΩ
RADJ = 5.6 kΩ
RADJ = 48 kΩ
CL = 1 nF
1.15
−
−
−
−
−
−
0.3
−
120
143
240
285
−
VDD − 1.2
6
−
100
−
320
−
10.5
−
6
−
5
−
−
+0.5
−
VDD + 0.2
−
100
−
VDD − 0.7
−
−100
VDD − 0.7 −
−
2
1.24
1.31
40 × 10−6 −
−
1
−
200
1
−
1
−
10
−
V
kΩ
kΩ
V
V/µs
Ω
ns
ns
dB
MHz
V
V
µA
V
mA
V
mA
V
%
µA
kΩ
mA/µs
September 1994
8