LX1722CDB MICROSEMI, LX1722CDB Datasheet - Page 3

• Manufacturer Part Number: LX1722CDB
• Description: Audio Amp Speaker 2-CH Stereo 60W Class-D 44-Pin SSOP
• Manufacturer: MICROSEMI

Specifications of LX1722CDB

• Package: 44SSOP
• Function: Speaker
• Amplifier Type: Class-D
• Typical Voltage Gain: 60 dB
• Total Harmonic Distortion Noise: 0.06@1W %
• Typical Psrr: 70 dB
• Output Signal Type: Differential
• Output Type: 2-Channel Stereo
• Typical Gain Bandwidth Product: 7 MHz
• Maximum Input Bias Current: 1(Typ)@15V@-20C to 70C uA
• Maximum Input Offset Voltage: 5(Typ)@15V@-20C to 70C mV
• Maximum Load Resistance: 8 Ohm

Copyright © 2001
Rev. 1.2a,2004-06-10
Supply Voltage (PVDD, VDD) ............................................................................................................................. -0.3V to 30V
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.
SLEEP
RAMPOUT
LAMPOUT
REAOUT
RFAOUT
P
LFAOUT
LEAOUT
STATUS
LMUTE
CLOCK
SLEEP
RMUTE
CPWM
RPWM
REAIN
LEAIN
IN
VREF
RIN+
GND
LIN+
RIN-
LIN-
V25
N
AME
,
STATUS, R/LFBK+, R/LFBK- .................................................................................................-0.3V to VDD +0.3V
I N T E G R A T E D
Left Feedback Amplifier Output
PWM Capacitor Connection
PWM Resistor Connection
Left Mute Input (Active High)
Left Error Amplifier Output
Left Inverting Input of Error Amplifier
5V Reference
Input / Output Clock for Synch Operation
Low Current Ground
2.5V Reference
Left Positive Audio Input
Left Negative Audio Input
Left Input Amplifier Output
Right Positive Audio Input
Right Negative Audio Input
Right Input Amplifier Output
Sleep Input (active low)
UVLO Indicator (Open Collector Output)
Right Mute Input (Active High)
Right Inverting Input of Error Amplifier
Right Error Amplifier Output
Right Feedback Amplifier Output
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
D
ESCRIPTION
P R O D U C T S
F U N C T I O N A L P I N D E S C R I P T I O N
A B S O L U T E M A X I M U M R A T I N G S
Linfinity Microelectronics Division
Microsemi
Class-D Stereo Power Amplifier Controller
P
RFBK+
LFBK+
RFBK-
LFBK-
IN
PVDD
PGND
PGND
PVDD
AudioMAX™
RISN
LISN
VDD
LN+
RP+
RN+
LP+
RN-
LN-
RP-
LP-
CN
CP
NC
N
AME
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
P
RODUCTION
D
ESCRIPTION
LX1721 / 1722
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