參數(shù)資料
型號: TAS5028PAGRG4
廠商: Texas Instruments, Inc.
英文描述: 8 Channel Digital Audio PWM Processor
中文描述: 8通道數(shù)字音頻PWM處理器
文件頁數(shù): 24/84頁
文件大小: 1051K
代理商: TAS5028PAGRG4
Introduction
16
SLES112 — June 2004
TAS5028
2
-23
Bit
S_xxxx_xxxx_xxxx_xxxx_xxxx_xxxx.xxxx_xxxx_xxxx_xxxx_xxxx_xxx
2
0
Bit
2
16
Bit
2
22
Bit
2
23
Bit
Sign Bit
2
-1
Bit
2
-10
Bit
Figure 1-10. 25.23 Format
Figure 1-11 shows the derivation of the decimal value of a 48-bit 25.23 format number.
(1 or 0) x 2
23
+ (1 or 0) x 2
22
+
+ (1 or 0) x 2
0
+ (1 or 0) x 2
-1
+
+ (1 or 0) x 2
-23
Figure 1-11. Alignment of 5.23 Coefficient in 32-Bit I
2
C Word
2
23
Bit
2
22
Bit
2
0
Bit
2
-1
Bit
2
-23
Bit
Two 32-bit words must be sent over the I
2
C bus to download a level or threshold coefficient into the TAS5028.
The alignment of the 48-bit, 25.23 formatted coefficient in the 8-byte (two 32-bit words) I
2
C word is shown in
Figure 1-12.
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