TZA1027HL Philips Semiconductors, TZA1027HL Datasheet - Page 2

• Manufacturer Part Number: TZA1027HL
• Description: Analog current buffer for CD-R and CD-RW systems
• Manufacturer: Philips Semiconductors

Philips Semiconductors
FEATURES
GENERAL DESCRIPTION
The TZA1027 is an analog current buffer IC for CD-R and
CD-RW systems with a 3-spot push-pull tracking system.
The IC interfaces directly to the photo diodes and
TZA1020. A HF current amplifier is implemented to detect
the actual HF data signal.
QUICK REFERENCE DATA
ORDERING INFORMATION
1999 Sep 17
V
I
I
B
t
G
T
TZA1027HL
i(cd)
i(sd)
d(f)
amb
Eight amplifiers for servo and power calibration
functions
Gain selector for CD-R and CD-RW discs
Separate data amplifier for read speed up to thirty times
nominal data speed.
DD
CAHF
Analog current buffer for CD-R and CD-RW
systems
SS
NUMBER
SYMBOL
TYPE
supply voltage
central diode input current
satellite diode input current
bandwidth
flatness delay
servo satellite detector gain
ambient temperature
LQFP32
NAME
PARAMETER
plastic low profile quad flat package; 32 leads; body 5
WRON = 1
WRON = 1
C
C
HG = 1
HG = 0
i
i
= 5 pF
= 5 pF; f = 0.1 to 32 MHz
2
DESCRIPTION
CONDITIONS
PACKAGE
0
0
72
0
4.5
MIN.
5
Preliminary specification
1.4 mm
30
32
8
5.0
TYP.
TZA1027
5.5
3400
520
200
70
MAX.
VERSION
SOT401-1
V
MHz
ps
UNIT
C
A
A