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參數(shù)資料
| 型號(hào)： | SAA7893HL |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Super audio media player |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP128 |
| 封裝： | 14 X 20 MM, 1.40 MM HEIGTH, PLASTIC, SOT-425-1, LQFP-128 |
| 文件頁(yè)數(shù)： | 45/66頁(yè) |
| 文件大小： | 1036K |
| 代理商： | SAA7893HL |
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Philips Semiconductors
SAA7893HL
Super audio media player
Product data
Rev. 02 — 26 February 2003
45 of 66
9397 750 10925
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
The detection of the PSP key is dependent of the polarity of the EFM+ signal. The
SA-MP settings are that a pit on the disc must have a higher output voltage than the
land. The EFM+ input signal has no timing requirements with respect to the digital
input of the front-end interface of the SAA7893HL.
The SAA7893HL supports also an inversion of the EFM+ signal.
10.2 HF input specification
The AGC circuit must be able to handle the following signal characteristics of the
HF input signal.
The HF is AC-coupled via a capacitor of 10 nF to pin Agcinp. The internal resistance
of pin Agcinp is 1 M
.
Fig 44. Connection of EFM+ input.
Agcinp
EFM
+
VDDA
10 nF
100 nF
12 k
+
1.8 V
VSSA
MBL620
Adcrefl
biasin
Table 27:
HF
Input range
Bandwidth
HF signal characteristics
Value
0.2 to 0.8 V (p-p)
9 MHz
Remark
HF input voltage
front-end running on
maximum speed needed for
SACD
Table 28:
Pin name
Agcinp
biasin
Adcrefl
V
SSA
V
DDA
Signal connections
Description
HF output from pickup unit connected via a 10 nF couple capacitor
bias current; connect a 12 k
resistor to V
SS
(ground)
reference voltage for internal resistor trap; decouple with 100 nF to V
SS
(ground)
analog ground
1.8 V analog power supply
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