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ESMT

AD52067 Datasheet Preview

AD52067 Datasheet

2 x 15W Stereo / 1 x 19W Mono Class-D Audio Amplifier

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ESMT
Preliminary
AD52067
2x15W Stereo / 1x19W Mono Class-D Audio Amplifier
With Built-in Step-up Converter
Features
Input voltage 2.9V~12V
Adjustable boost converter output up to 14V
Loudspeaker power @12V boost from 8.4V
Stereo: 13W/CH into 4@THD+N=1%
Stereo: 15W/CH into 4@ <10% THD+N
Mono (PBTL):19W/CH into 4@THD+N=10%
Loudspeaker power @8V boost from 4.2V
Stereo: 6W/CH into 4@THD+N=1%
Stereo: 7.5W/CH into 4@ <10% THD+N
Mono (PBTL): 8.7W/CH into 4@THD+N=10%
Differential inputs signal
Fixed gain setting
Internal oscillator
Short-Circuit protection with auto recovery option
Under-Voltage detection
Over-Voltage protection
Pop noise and click noise reduction
Output DC detection for speaker protection
Filter-Free operation
Over temperature protection with auto recovery
Superior EMC performance
Applications
Blue-tooth Box
Portable Media
Audio Docking System
Tablet Personal PC
Consumer Audio Equipment
Description
The AD52067 is a high efficiency stereo class-D
audio amplifier with built-in boost DC-DC converter.
The loudspeaker driver can deliver stereo 15W/CH
output power into 4loudspeaker under 10%
THD+N at two-cell Li-ion battery (8.4V).
AD52067 provides parallel BTL (Mono)
application also, and it can deliver 19W into 4
loudspeaker at 8.4V supply voltage.
Output DC detection prevents speaker damage
from long-time current stress. AD52067 provides
superior EMC performance for filter-free application.
The output short circuit and over temperature
protection include auto-recovery feature.
Simplified Application Circuit
100μF
2.2μF
6.8uH
12KΩ 219KΩ
470μF
Boost Vout
1μF
SD
FAULT
EN
VCC
VIN
AGND
PGND
SW
FB
VSUPLDO
AD52067
BSPL
OUTPL
OUTNL
BSNL
BSPR
OUTPR
OUTNR
BSNR
PVCCL
PVCCR
AVCC
PGND
0.22uF
LC Filter
0.22uF
0.22uF
LC Filter
0.22uF
Boost Vout
Elite Semiconductor Memory Technology Inc.
Publication Date: Dec. 2016
Revision: 0.2
1/36




ESMT

AD52067 Datasheet Preview

AD52067 Datasheet

2 x 15W Stereo / 1 x 19W Mono Class-D Audio Amplifier

No Preview Available !

ESMT
Pin Assignments
Preliminary
PVCCL
PVCCL
SD
FAULT
LINP
LINN
GAIN0
GAIN1
AVCC
AGND
VSUPLDO
FB
1 36
2 35
3 34
4 33
5 32
6 AD52067 31
7 30
8 29
9 28
10 27
11 26
12 25
PVCCR
PVCCR
PBTL
TEST
RINP
RINN
PLIM
GVDD
AGND
EN
VIN
VCC
OUTNL
PGND
OUTPL
BSPL
PVCCL
BSNL
SD
LINP
LINN
AVCC
FB
SW
AGND
PGND
AD52067
E-TSSOP-28L
(TOP VIEW)
1 28
2 27
3 26
4 25
5 24
6 23
7 22
8 21
9 20
10 19
11 18
12 17
13 16
14 15
OUTNR
PGND
OUTPR
BSPR
PVCCR
BSNR
PBTL
RINP
RINN
GVDD
EN
VIN
VCC
PGND
Pin Description
NAME
E-LQFP-48L E-TSSOP-28L TYP
DESCRIPTION
PVCCL
1
High-voltage power supply for left-channel. Right channel and left
5P
channel power supply inputs are connect internal.
PVCCL
2
High-voltage power supply for left-channel. Right channel and left
5P
channel power supply inputs are connect internal.
SD 3
Shutdown signal for IC (low = disabled, high = operational). Voltage
7I
compliance to AVCC.
FAULT
4
Open drain output used to display short circuit or dc detect fault. Voltage
compliant to AVCC. Short circuit faults can be set to auto-recovery by
N/A O
connecting FAULTB pin to SD pin. Otherwise, both short circuit faults
and dc detect faults must be reset by cycling AVCC.
LINP
5
8 I Positive audio input for left channel.
LINN
6
9 I Negative audio input for left channel.
GAIN0
7
N/A I Gain select least significant bit. Voltage compliance to AVCC.
GAIN1
8
N/A I Gain select least significant bit. Voltage compliance to AVCC.
AVCC
9
10 P Analog supply.
AGND
10
13 P Boost ground pin
VSUPLDO
FB
11
12
SW
N.C.
13,14,15,16,17
18,19
N/A
11
12
N/A
P Boost converter output for internal regulator.
Receives the feedback voltage from an external resistive
I
divider across the output.
Must be connected an Inductor from VCC pin to SW pin for
O
boost and rectifying switches.
Not connected.
Elite Semiconductor Memory Technology Inc.
Publication Date: Dec. 2016
Revision: 0.2
2/36


Part Number AD52067
Description 2 x 15W Stereo / 1 x 19W Mono Class-D Audio Amplifier
Maker ESMT
Total Page 30 Pages
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