參數(shù)資料
型號： 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
文件頁數(shù)： 45/66頁
文件大?。?/td> 386K
代理商： TFA9812HN/N1,557
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TF
A9812_2
NXP
B
.V
.2009.
All
r
ights
reser
v
ed.
Preliminar
y
data
sheet
Re
v
.02
—
22
Jan
uar
y
2009
5
of
66
NXP
Semiconductor
s
TF
A9812
BTL
stereo
Class-D
audio
amplier
with
I
2S
input
6.
Block diagram
Fig 1.
TFA9812 block diagram
15
16, 17
18, 19
10, 11
25
23, 24
26, 27
VDDP
VSSP1
22
BOOT1P
VDDP
OUT1P
VSSP2
BOOT1N
OUT1N
STAB1
BOOT2P
STAB1
CONTROL
LOGIC
20, 21
DRIVER
HIGH
12
13, 14
VDDP
VSSP2
VDDP
OUT2P
VSSP2
BOOT2N
OUT2N
STAB2
XTALIN
XTALOUT
MCLK
REFERENCES
PROTECTION
OVP
UVP
OCP
OTP
ODP
WP
CDELAY
DIAG
1
2
47
31
39
41
42
45
TFA9812
010aaa217
CONTROL
LOGIC
DRIVER
HIGH
DRIVER
LOW
DRIVER
LOW
CONTROL
LOGIC
CONTROL
LOGIC
DRIVER
HIGH
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
PWM
CONTROLLER
PWM
CONTROLLER
CONTROL
INTERFACE
REGISTER
ADDRESS
HEX 01
PHASED
LOCKED
LOOP
THERMAL
FOLDBACK
OSCILLATOR
ADC
10
34
35
36
37
38
POWERUP
SDA/MS
GAIN
33
ENABLE
CSEL
ADSEL2/PLIM2
ADSEL1/PLIM1
SCL/SFOR
STABD
REFD
STABA
REFA
30
29
48
8
EXPOSED DIE PADDLE VSS1
VSS2
46
45
44
BCK
WS
DATA
CSEL
TEST1
TEST2
AVOL
VDDD(3V3)
VDDA(3V3)
VDDA
743
32
40
3
6
9
28
CLOCK
PROTECTION
LP
UFP
OFP
IBP
SERIAL
AUDIO
INTERFACE
10-BAND
PARAMETRIC
EQUALIZER
VOLUME
CONTROL
AND SOFT
MUTE
INTER-
POLATION
FILTER AND
DE-EMPHASIS
POWER
LIMITER
GAIN
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