參數(shù)資料
型號: ADAU1381BCPZ
廠商: Analog Devices Inc
文件頁數(shù): 79/84頁
文件大?。?/td> 0K
描述: IC AUDIO CODEC STEREO LN 32LFCSP
標(biāo)準(zhǔn)包裝: 1
類型: 立體聲音頻
數(shù)據(jù)接口: 串行,SPI?
分辨率(位): 24 b
ADC / DAC 數(shù)量: 2 / 2
三角積分調(diào)變:
S/N 比,標(biāo)準(zhǔn) ADC / DAC (db): 97 / 100
動態(tài)范圍,標(biāo)準(zhǔn) ADC / DAC (db): 96.5 / 100
電壓 - 電源,模擬: 1.8 V ~ 3.65 V
電壓 - 電源,數(shù)字: 1.63 V ~ 3.65 V
工作溫度: -25°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 32-LFCSP-VQ
包裝: 托盤
配用: EVAL-ADAU1381Z-ND - BOARD EVALUATION FOR ADAU1381
ADAU1381
Rev. B | Page 80 of 84
Register 16617 and Register 16618 (0x40E9 and 0x40EA),
Nonmodulo
These registers set the boundary for the nonmodulo RAM space
used by the sound engine. An appropriate value is automatically
loaded to this register during initialization. It should not be
modified for any reason.
Register 16619 (0x40EB), Sound Engine Frame Rate
Bits[3:0], Sound Engine Frame Rate
These bits set the frequency of the frame start pulse, which is
delivered to the sound engine to begin processing on each audio
frame. It effectively determines the sample rate of audio in the
sound engine. This register should always be set to none at least
one frame prior to disabling Register 16630 (0x40F6), sound
engine run, Bit 0, sound engine run, to allow the sound engine
to finish processing the current frame before halting.
Table 70. Nonmodulo Registers
Bits
Description
[31:0]
Reserved
Table 71. Sound Engine Frame Rate Register
Bits
Description
Default
[7:4]
Reserved
[3:0]
Sound engine frame rate
0000
0000: fS × 2 (96 kHz)
0001: fS (48 kHz)
0010: fS/1.5 (32 kHz)
0011: fS/2 (24 kHz)
0100: fS/3 (16 kHz)
0101: fS/4 (12 kHz)
0110: fS/6 (8 kHz)
0111: serial data input rate
1000: serial data output rate
1001: fS × 4 (192 kHz)
1010: none
1111: none
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