參數(shù)資料
型號: AD1981BJST-REEL
廠商: Analog Devices Inc
文件頁數(shù): 25/32頁
文件大?。?/td> 0K
描述: IC CODEC STEREO MICPREAMP 48LQFP
標(biāo)準(zhǔn)包裝: 1
系列: SoundMAX®
類型: 音頻編解碼器 '97
數(shù)據(jù)接口: 串行
分辨率(位): 16,20 b
ADC / DAC 數(shù)量: 4 / 2
三角積分調(diào)變:
動(dòng)態(tài)范圍,標(biāo)準(zhǔn) ADC / DAC (db): 85 / 90
電壓 - 電源,模擬: 4.5 V ~ 5.5 V
電壓 - 電源,數(shù)字: 3 V ~ 3.47 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-LQFP(7x7)
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: AD1981BJSTREELDKR
AD1981B
Rev. C | Page 31 of 32
VENDOR ID REGISTERS
Index 0x7C–0x7E
Reg No.
Name
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Default
0x7C
Vendor ID1
F7
F6
F5
F4
F3
F2
F1
F0
S7
S6
S5
S4
S3
S2
S1
S0
0x4144
S[7:0] This register is ASCII encoded to A.
F[7:0] This register is ASCII encoded to D.
Reg No.
Name
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Default
0x7E
Vendor ID2
T7
T6
T5
T4
T3
T2
T1
T0
REV7
REV6
REV5
REV4
REV3
REV2
REV1
REV0
0x5374
T[7:0] This register is ASCII encoded to S.
REV[7:0] Vendor-specific revision number: The AD1981B assigns 0x74 to this field.
Table 44. Codec ID and External Clock Selection
ID1
ID0
Codec ID
Codec Clocking Source
1
(00) Primary
24.576 MHz
Local crystal or external into XTL_IN.
1
0
(01) Secondary
12.288 MHz
External into BIT_CLK.
0
1
(00) Primary
48.000 MHz
External into XTL_IN.
0
(00) Primary
14.31818 MHz
External into XTL_IN.
Internally, the ID pins have weak pull-ups and are inverted.
OBSOLETE
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