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參數資料
| 型號： | LX1721CDB |
| 英文描述： | AudioMAX Products |
| 中文描述： | AudioMAX產品 |
| 文件頁數： | 3/14頁 |
| 文件大小： | 357K |
| 代理商： | LX1721CDB |
Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 3
Copyright
2000
Rev. 0.1b,2001-09-19
W
M
.
C
AudioMAX
LX1721 / 1722
Class-D Stereo Power Amplifier Controller
P
RELIMINARY
L I N F I N I T Y D I V I S I O N
F U N C T I O N A L P I N D E S C R I P T I O N
P
IN
N
AME
D
ESCRIPTION
P
IN
N
AME
D
ESCRIPTION
LFAOUT
Left Feedback Amplifier Output
LFBK-
Left Feedback Amplifier Inverting Input
Left Feedback Amplifier Non-Inverting
Input
Left Current Limit Sense Input
Analog Supply Voltage
Supply Decoupling for NFET Drivers
Output Driver Supply Voltage
Output Driver High Current Ground
Left Drive for NFET on Positive Half of
Bridge
Left Drive for PFET on Positive Half of
Bridge
Left Drive for PFET on Negative Half of
Bridge
Left Drive for NFET on Negative Half of
Bridge
Right Drive for NFET on Negative Half of
Bridge
Right Drive for PFET on Negative Half of
Bridge
Right Drive for PFET on Positive Half of
Bridge
Right Drive for NFET on Positive Half of
Bridge
Output Driver High Current Ground
Supply Decoupling for PFET Drivers
Output Driver Supply Voltage
No Connect
Right Current Limit Sense Input
Left Feedback Amplifier Non-Inverting
Input
Right Feedback Amplifier Inverting Input
CPWM
PWM Capacitor Connection
LFBK+
RPWM
LMUTE
LEAOUT
LEAIN
VREF
PWM Resistor Connection
Left Mute Input (Active High)
Left Error Amplifier Output
Left Inverting Input of Error Amplifier
5V Reference
LISN
VDD
CN
PVDD
PGND
CLOCK
Input / Output Clock for Synch Operation
LN+
GND
Low Current Ground
LP+
V25
2.5V Reference
LP-
LIN+
Left Positive Audio Input
LN-
LIN-
Left Negative Audio Input
RN-
LAMPOUT
Left Input Amplifier Output
RP-
RIN+
Right Positive Audio Input
RP+
RIN-
Right Negative Audio Input
RN+
RAMPOUT
SLEEP
STATUS
RMUTE
REAIN
Right Input Amplifier Output
Sleep Input (active low)
UVLO Indicator (Open Collector Output)
Right Mute Input (Active High)
Right Inverting Input of Error Amplifier
PGND
CP
PVDD
NC
RISN
REAOUT
Right Error Amplifier Output
RFBK+
RFAOUT
Right Feedback Amplifier Output
RFBK-
A B S O L U T E M A X I M U M R A T I N G S
Supply Voltage (PVDD, VDD)..............................................................................................................................-0.3V to 30V
SLEEP
,
STATUS, R/LFBK+, R/LFBK-.................................................................................................-0.3V to VDD +0.3V
R/LISN.........................................................................................................................................PVDD –2 to PVDD to +0.3V
RPWM, CPWM, R/LMUTE....................................................................................................................-0.3V to VREF +0.3V
R/LIN+, R/LIN-, R/LAMPOUT..............................................................................................................-0.3V to VREF +0.3V
R/LEAIN, R/LEAOUT, R/LFAOUT......................................................................................................-0.3V to VREF + 0.3V
CLOCK........................................................................................................................................................-0.3V to CN +0.3V
Operating Junction Temperature Plastic...........................................................................................................................125°C
Storage Temperature Range...............................................................................................................................-65°C to 150°C
Lead Temperature (Soldering, 10 seconds).......................................................................................................................300°C
Note: 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.
P
A
C
K
A
G
E
D
A
T
A
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相關代理商/技術參數 |
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| LX1721CDBTR | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:Class-D Stereo Power Amplifier Controller |
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| LX1722CDB | 制造商:Microsemi Corporation 功能描述: |
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