參數(shù)資料
型號(hào): TFA9812HN
廠商: NXP SEMICONDUCTORS
元件分類: 音頻/視頻放大
英文描述: 15 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC48
封裝: 7 X 7 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT619-8, HVQFN-48
文件頁(yè)數(shù): 33/66頁(yè)
文件大?。?/td> 386K
代理商: TFA9812HN
TFA9812_2
NXP B.V. 2009. All rights reserved.
Preliminary data sheet
Rev. 02 — 22 January 2009
39 of 66
NXP Semiconductors
TFA9812
BTL stereo Class-D audio amplier with I2S input
[1]
32 kHz, 44.1 kHz and 48 kHz supported
[2]
Bypass.
[3]
Special Legacy mode implementation.
[4]
10 % clip level.
[5]
400 kHz.
10. Internal circuitry
Clip level control
YD[4]
Output power limit level control
YY
PWM signal frequency selection
YD[5]
Thermal foldback threshold temperature control Section 8.7.1
YN
Table 51.
Functional control support in I2C and Legacy control modes …continued
D = xed control setting, determined by default I2C register setting; N = not supported; Y = fully
supported (i.e. all options implemented in the TFA9812).
Control function
Reference
I2C mode
Legacy mode
Table 52.
Internal circuitry
Pin
Symbol
Equivalent circuitry
1
XTALIN
32
AVOL
2
XTALOUT
3VDDA(3V3)
40
VDDD(3V3)
1, 32
ESD
VSS1, VSS2, REFA, REFD
Exposed die paddle
010aaa459
STABA
2
VSS1, VSS2, REFA, REFD,
Exposed die-paddle
010aaa460
ESD
VSS1, VSS2, REFA, REFD,
Exposed die-paddle
010aaa461
3, 40
ESD
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