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參數(shù)資料
| 型號(hào)： | TFA9812HN/N1,557 |
| 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)： | 38/66頁(yè) |
| 文件大?。?/td> | 386K |
| 代理商： | TFA9812HN/N1,557 |
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TFA9812_2
NXP B.V. 2009. All rights reserved.
Preliminary data sheet
Rev. 02 — 22 January 2009
43 of 66
NXP Semiconductors
TFA9812
BTL stereo Class-D audio amplier with I2S input
[1]
Vss = VSS1 = VSS2 = REFA = REFD
12. Thermal characteristics
[1]
Measured in a JEDEC high K-factor test board (standard EIA/JESD 51-7).
[2]
Measured in free air with natural convection.
[3]
Strongly depends on where measurement is made on the case: worst-case value stated.
Vx
voltage on pin x
DIAG
VSS + 12
V
POWERUP
VDDA + 0.3
V
ENABLE, GAIN, CSEL,
ADSEL2/PLIM2,
ADSEL2/PLIM1, SCL/SFOR,
SDA/MS, DATA, WS, BCK,
MCLK
VSS + 5.5
V
AVOL
VSS + 4.6
V
Vesd
electrostatic discharge voltage
according to the human body model
STAB1 and STAB2 with
respect to other pins
1750
+1750
V
all other pins
2+2
kV
according to the charge
device model
500
+500
V
Table 53.
Limiting values …continued
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
Min
Max
Unit
Table 54.
Thermal Characteristics
Symbol
Parameter
Condition
Min Typ
Max Unit
Rth(j-a)
thermal resistance
from junction to
ambient
No air ow, JEDEC board
[1][2] -
-
42
K/W
No air ow; typical 4L board in
the NXP 4L reference
application
[2] -
-
36
K/W
No air ow; typical 2L board in
the NXP 2L reference
application
[2] -
-
42
K/W
Rth(j-c)
thermal resistance
from junction to case
5
-
K/W
Rth(j-lead)
thermal resistance
from junction to lead
Worst-case pin
5
-
K/W
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