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Part Name
Description
TZA1024T/N1 View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
TZA1024T/N1
Data amplifier and laser supply circuit for CD audio and video optical systems (ADALAS)
Philips Electronics
TZA1024T/N1 Datasheet PDF : 20 Pages
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Philips Semiconductors
Data amplifier and laser supply circuit for CD
audio and video optical systems (ADALAS)
Product specification
TZA1024
CHARACTERISTICS
V
DD
= 2.4 V; V
DD(L)
−
V
o(LASER)
= 0.55 V; I
i(DIN)
= 0 mA; I
o(LASER)
= 80 mA; V
CMFB
=
1
⁄
2
V
DD
; PWRON = HIGH;
CDRW = LOW; EQSEL = open-circuit; C
CFIL
= 10 nF; R
RFFB
= 10 k
Ω
; pin RGADJ connected to ground; T
amb
= 25
°
C;
unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supplies
V
DD
supply voltage
2.4
−
V
DDL(L)
laser supply voltage
2.4
−
I
DD
supply current
−
3
I
q
quiescent supply
PWRON = LOW
−
−
current
5.5
V
5.5
V
−
mA
40
µ
A
RF amplifier
I
i(DIN)
Z
i(DIN)
V
CMFB
V
O(RFEQO)
central diode input
current
central diode input
impedance
common mode
feedback input voltage
RF amplifier output
DC-level
V
o(RFEQO)
Z
o(RFEQO)
t
d(f)(RF)
RF amplifier output
voltage
RF amplifier output
impedance
RF flatness delay
G
RF
RF path gain boost
Z
tr(RF)
RF transimpedance
THD
RF
RF total harmonic
distortion
−
70
−
−
100
0.7
1
⁄
2
V
DD
CDRW = LOW
CDRW = HIGH
V
CMFB
−
0.05
−
V
CMFB
−
0.35
−
0.25
−
note 1
−
100
CDRW = LOW or HIGH
f < 1 MHz; n = 1;
−
−
EQSEL = LOW
f < 2 MHz; n = 2;
−
−
EQSEL = HIGH
f < 4 MHz; n = 4;
−
−
EQSEL = open-circuit
CDRW = LOW or HIGH;
notes 2 and 3
f = 720 kHz; n = 1;
−
5
EQSEL = LOW
f = 1440 kHz; n = 2;
−
5
EQSEL = HIGH
f = 2880 kHz; n = 4;
−
0
EQSEL = open-circuit
note 4
CDRW = LOW
9.2
9.8
CDRW = HIGH
35.6
38
note 3
−
−
50
+70
µ
A
−
Ω
V
DD
−
0.4
V
V
CMFB
+ 0.25 V
V
CMFB
+ 0.35 V
V
DD
−
0.25 V
−
Ω
10
ns
5
ns
2.5
ns
−
dB
−
dB
−
dB
10.4
k
Ω
40.4
k
Ω
−
dB
1998 Oct 30
8
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