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參數資料
| 型號： | TZA1045TM |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO16 |
| 封裝： | 6.60 X 5.20 MM, 1.10 MM HEIGHT, PLASTIC, SOT-814-1, HTSSON-16 |
| 文件頁數： | 6/21頁 |
| 文件大?。?/td> | 109K |
| 代理商： | TZA1045TM |
2003 Dec 01
14
Philips Semiconductors
Preliminary specication
Photodiode and amplier IC for
CD and DVD applications
TZA1045
Notes
1. The supplies are connected internally by diodes. Differences between the supply voltages should not exceed 0.3 V.
2. Estimated average power consumption (typical value):
P=VDD × (1.4 × Io(av) × 9+IDD1 +IDD2) where Io(av) is the average output current.
Conditions: VDD =VDD1 =VDD2 and Io < 8 mA.
3. Outputs A, B, C and D: Io = 1 mA output current. Definition of matching:
where
Vref =Vref1 =Vref2 (see Fig.7) and I(o)av is the average output current.
4. The clipping function is active in the CD-R write mode for the segment outputs (not for outputs RFP and RFN) and
in the read mode for all outputs. In the read mode, the clipping level is increased to 8 mA.
5. Outputs E, F, G and H: Io = 1.5 mA output current. Definition of matching:
where
Vref =Vref1 =Vref2 (see Fig.7) and I(o)av is the average output current.
Msens = ±7% for reading CD-RW, CD-ROM, DVD+RW and writing CD-R mode.
6. The settling time includes the recovery time.
7. Definition:
8. The sensitivity of the TZA1045 is specified in A/W because it has current outputs. In the application diagram
(see Fig.7) the resistors of 150
convert the currents into voltages (V/W). The maximum absolute spread is ±10%.
9. Writing without clipping.
10. Writing with clipping in CD-R mode for all segment outputs (not outputs RFP and RFN).
11. Reading with clipping active and switched to a level of typical 8 mA.
sCD-ROM
output current sensitivity
for CD-ROM
reading;
λ = 785 nm; note 11
Io(cen)
86.4
A/W
Io(sat)
346
A/W
Io(RFP), Io(RFN)
32.4
A/W
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
I
o(max)
I
o(min)
–
I
A
I
B
I
C
I
D
++
+
()
1
4
---
×
------------------------------------------------------
V
ref
I
o
()av
×
–
I
o(max)
I
o(min)
–
I
E
I
F
I
G
I
H
++
+
()
1
4
---
×
------------------------------------------------------
V
ref
I
o
()av
×
–
20log
I
RFP
I
RFN
+
I
RFP
I
RFN
–
-----------------------------
×
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