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TA2041A データシート(PDF) 6 Page - Tripath Technology Inc.

部品番号 TA2041A
部品情報  FOUR CHANNEL CLASS-T DIGITAL AUDIO AMPLIFIER USING DIGITAL POWER PROCESSING (DPPTM ) TECHNOLOGY
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メーカー  TRIPATH [Tripath Technology Inc.]
ホームページ  http://www.etelos.com/
Logo TRIPATH - Tripath Technology Inc.

TA2041A データシート(HTML) 6 Page - Tripath Technology Inc.

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Tri p ath Techn o l o g y, I n c. - Techn i cal I n fo rmati o n
6
TA2041A – KL/ Rev. 5.4/04.05
Pin Description
PIN
NAME
/FUNCTION
TYPE
DESCRIPTION
1
IN1
INPUT
Channel 1 Input
2
IN2
INPUT
Channel 2 Input
3
IN3
INPUT
Channel 3 Input
4
IN4
INPUT
Channel 4 Input
5
BIASCAP
Internal reference bypass capacitor connection
6
SLEEPB
INPUT (L)
Logic input, ACTIVE LOW. Setting SLEEP to low puts the
TA2041A in sleep mode. This pin must be driven high via an
external power supply or microcontroller for the TA2041A to
begin operation. Input range is 0 to 5V with 3.3V compliant
inputs.
7
AM
INPUT (L)
Logic input, ACTIVE HIGH. Enables Analog Mode operation.
Typically driven by an external power supply of microcontroller.
Input range is 0 to 5V with 3.3V compliant inputs.
8
OVRLDB
OUTPUT (L)
Logic output, ACTIVE LOW. OVRLDB low indicates the input
has overloaded the amplifier
9
MUTEB
INPUT (L)
Logic Input, ACTIVE LOW. Setting MUTE to low puts the device
in mute mode. Typically driven by external power supply or
microcontroller. Input range is 0 to 5V with 3.3V compliant
inputs.
10
AGND1
GND
Analog ground
11
5VGEN
On chip 5V regulator bypass capacitor connection
12
HMUTEB
OUTPUT (L)
Logic output, ACTIVE LOW. HMUTEB low indicates TA2041A is
in mute mode
13
VPPA
POWER
Positive power supply voltage connection
14
AGND2
GND
Analog ground
15
CPUMP
Charge pump output capacitor
16
OUT4P
OUTPUT
Positive Output Channel 4
17
VPP4
POWER
Positive Supply Voltage Channel 4
18
PGND34
GND
Power Ground for Outputs 3 and 4
19
OUT4N
OUTPUT
Negative Output Channel 4
20
OUT3N
OUTPUT
Negative Output Channel 3
21
VPP3
POWER
Positive Supply Voltage Channel 3
22
OUT3P
OUTPUT
Positive Output Channel 3
23
FAULT
OUTPUT (L)
Open Drain Logic Output, ACTIVE HIGH. FAULT high indicates
fault condition.
24
OUT2P
OUTPUT
Positive Output Channel 2
25
VPP2
POWER
Positive Supply Voltage Channel 2
26
OUT2N
OUTPUT
Negative Output Channel 2
27
OUT1N
OUTPUT
Negative Output Channel 1
28
PGND12
GND
Power Ground for Outputs 1 and 2
29
VPP1
POWER
Positive Supply Voltage Channel 1
30
OUT1P
OUTPUT
Positive Output Channel 1
31
DCAP2
OUTPUT
Charge pump switching capacitor connection. DCAP2 is a free
running 400kHz square wave between VDDA (pin 13) and
AGND (pin 14) with a 14.4Vpp nominal amplitude.
32
DCAP1
INPUT
Charge pump switching capacitor connection. DCAP1 is level
shifted 10 volts above DCAP2 with the same amplitude,
frequency, and phase as DCAP2.


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