參數(shù)資料
型號: LX1720-01DB
元件分類: 音頻/視頻放大
英文描述: 2 CHANNEL, AUDIO AMPLIFIER, PDSO44
封裝: PLASTIC, SSOP-44
文件頁數(shù): 2/6頁
文件大?。?/td> 179K
代理商: LX1720-01DB
SWITCHING CLASS-D, STEREO POWER AMPLIFIER CONTROLLER IC
LX1720
PRODUCT DA T ABOOK 1996/1997
Copyright 1999
Rev. 1.0
9/99
2
P RODUCTION D ATA S HEET
AudioMAX
TM
ABSOLUTE MAXIMUM RA TINGS
(Note 1)
Supply Voltage (PVDD, VDD) ...................................................................... -0.3V to 18V
RPWM .................................................................................................... -0.3V to V
CN+0.3V
INPUT (R), INPUT (L) .......................................................................... -0.3V to V
CN+0.3V
FBK+(R), FBK-(R), FBK+(L), FBK-(L), SLEEP .............................................. -0.3V to V
DD
MUTE (R), MUTE (L) .................................................................................... -0.3V to 6.0V
EAOUT (R), EAOUT (L) ....................................................................... -0.3V to V
CN+0.3V
CPWM, CT ............................................................................................. -0.3V to V
CN+0.3V
IS+, LIS-, RIS+ ................................................................................................ V
DD-2 to VDD
Operating Junction Temperature
Plastic (DB Package) ............................................................................................ 125C
Storage Temperature Range ...................................................................... -65°C to 150°C
Lead Temperature (Soldering, 10 seconds) ............................................................ 300°C
PACKAGE PIN OUTS
Note 1. Exceeding these ratings could cause damage to the device. All voltages are with
respect to Ground. Currents are positive into, negative out of the specified terminal.
DB PACKAGE:
THERMAL RESISTANCE-JUNCTION TO AMBIENT,
θθθθθ
JA
65°C/W
Junction Temperature Calculation: T
J = TA + (PD x θJA).
The
θ
JA numbers are guidelines for the thermal performance of the device/pc-board
system. All of the above assume no ambient airflow.
THERMAL DA T A
DB PACKAGE
(Top View)
FBK- (R)
FBK+ (R)
N.C.
VDD
CP
PVDD
PGND
P- (R)
N- (R)
N+ (R)
P+ (R)
P- (L)
N- (L)
N+ (L)
P+ (L)
PGND
PVDD
FBK- (L)
FBK+ (L)
GND
MUTE (L)
MUTE (R)
RIS-
LIS-
IS+
RPWM
CPWM
CN
N.C.
CT
RT
RBIAS
GND
AGND
INPUT (R)
INPUT (L)
SLEEP
EAIN (R)
N.C.
EAOUT (R)
FAOUT (R)
EAOUT (L)
EAIN (L)
FAOUT (L)
144
243
342
441
540
639
738
837
936
10
35
11
34
12
33
13
32
14
31
15
30
16
29
17
28
18
27
19
26
20
25
21
24
22
23
RIS-
LIS-
IS+
RPWM
CPWM
CN
CT
RT
RBIAS
GND
AGND
INPUT (R)
INPUT (L)
SLEEP
EAIN (R)
EAOUT (R)
Right Channel Current Sense Input
Left Channel Current Sense Input
Positive Current Sense Input
PWM Resistor Connection
PWM Capacitor Connection
Supply Decoupling for NFET Drivers
Oscillator Timing Capacitor Connection
Oscillator Timing Resistor
Bias Setting Resistor for Error Amps
Ground (2-pins)
Audio Input Ground
Right Channel Input
Left Channel Input
Sleep Input
Inverting Input of Right Channel Error Amp
Right Channel Error Amplifier Output
Pin Name
Description
FUNCTIONAL PIN DESCRIPTION
FAOUT (R)
EAOUT (L)
EAIN (L)
FAOUT (L)
FBK+(R), FBK-(R)
CP
PVDD
VDD
PGND
P+(R), N+(R),
P-(R), N-(R)
P+(L), N+(L),
P-(L), N-(L)
FBK+(L), FBK-(L)
MUTE (R),
MUTE (L)
Pin Name
Description
Output of Right Feedback Amp
Left Channel Error Amplifier Output
Inverting Input of Left Channel Error Amp
Output of Left Feedback Amp
Right Channel Feedback Inputs
Supply Decoupling for PFET Drivers
Output Driver Supply Voltage (2-pins)
Analog Supply Voltage
IC Power Ground for the Output Drivers (2-pins)
Right Channel Gate Drive Outputs
Left Channel Gate Drive Outputs
Left Channel Feedback Inputs
Mute Inputs
相關(guān)PDF資料
PDF描述
LX1720-01DB 2 CHANNEL, AUDIO AMPLIFIER, PDSO44
LX1720-01CDB 2 CHANNEL, AUDIO AMPLIFIER, PDSO44
LX1720-02CDBT 2 CHANNEL, AUDIO AMPLIFIER, PDSO44
LX1720-02CDB 2 CHANNEL, AUDIO AMPLIFIER, PDSO44
LX1720-02CDBT 2 CHANNEL, AUDIO AMPLIFIER, PDSO44
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