參數(shù)資料
型號: 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
文件頁數(shù): 46/66頁
文件大?。?/td> 1036K
代理商: SAA7893HL
Philips Semiconductors
SAA7893HL
Super audio media player
Product data
Rev. 02 — 26 February 2003
46 of 66
9397 750 10925
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
10.3 HF-input application diagram
11. Audio interfaces
11.1 Audio input interface
The PCM-I
2
S audio input signals can be either directly couple, without any
processing to the DSD_PCM output lines, or further processed inside the
SAA7893HL. When directly coupled, only a combinatorial delay must be taken into
account; no dependency on any clock signal (see
Section 11.1.1
). The input signal
characteristics, when audio processing must be performed, are given in
Section 11.1.2
.
11.1.1
Audio input directly coupled
When no processing is done inside the SAA7893HL with respect to the I
2
S-PCM
input stream, this input stream is sent via a multiplexer to the I
2
S-bus output paths. So
no clocking is done on this signal, meaning that also no locked audio clock needs to
be present.
Fig 45. EFM input interface connection.
Agcinp
EFM
+
(0.2-0.8 V)
VDDA
10 nF
4.7
μ
F
35
32
33
36
34
100 nF
100
nF
12 k
+
1.8 V
VSSA
MCE058
Adcrefl
SAA7893HL
biasin
Fig 46. Delay from input to output pin.
MBL627
input pin
output pin
td(as)
Table 29:
Symbol
t
d(as)
Timing numbers in PCM audio
Parameter
asynchronous delay
Min
8
Typ
13
Max
18
Unit
ns
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