LX1725ILQ Microsemi Analog Mixed Signal Group, LX1725ILQ Datasheet - Page 5

• Manufacturer Part Number: LX1725ILQ
• Description: IC AMP AUDIO 32W STER D 32MLPQ
• Manufacturer: Microsemi Analog Mixed Signal Group
• Series: AudioMAX™r
• Type: Class Dr

Specifications of LX1725ILQ

• Output Type: 1-Channel (Mono) or 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 32W x 1 @ 8 Ohm; 16W x 2 @ 4 Ohm
• Voltage - Supply: 12 V ~ 35 V, ±6 V ~ 17.5 V
• Features: Depop, Differential Inputs, Mute, PWM, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Surface Mount
• Package / Case: 32-MLPQ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Copyright © 2004
Rev. 1.2, 2005-12-06
Notes: Unless otherwise specified, the following specifications apply over the operating ambient temperature T
where otherwise noted (typical @ T
VCOM = 0V R
OSCILLATOR
Oscillator Frequency
Voltage Stability
Temperature Stability
POWER SUPPLY
Supply Voltage
Stand-By Current
Operating Current
GAIN
High Gain Mode
Normal Gain
Low Gain
Mute Gain
OFFSET
Output DC Offset
INPUT STAGE
Input Resistance
Common Mode Voltage
Common Mode Rejection Ratio
OUTPUT STAGE
PFET On resistance
NFET On resistance
CURRENT LIMIT
Current Limit Threshold
Pulse Qualification Count
VOLTAGE THRESHOLDS AT VPOS – VNEG
Under Voltage Threshold
Start Threshold Hysteresis
UNDER VOLTAGE LOCK-OUT @ V5V
Start Threshold Voltage
THERMAL
Thermal Gain Fold Back Junction
Temperature
Thermal shut off Junction
Temperature
TM
Parameter
ILIM
= 50Kohm, C
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
OSC
A
= 220pF, R
= 25°C) and the following test conditions: VPOS = +12V, VNEG = -12V, VGND = 0V, V5V = 5V,
V
E L E C T R I C A L C H A R A C T E R I S T I C S
Symbol
GHIGH
CMRR
POS/
R
R
FOSC
Icount
G
G
G
V5V
Voff
V
R
DSONp
DSONn
Ith
MUTE
NOM
LOW
CM
IN
V
NEG
L
= 8Ω.
Integrated Products Division
Varies with C
for default conditions.
VPOS-VNEG = 12V to 30V
T
T
VCOM to GND
VNEG to GND
@ Single Power Supply
STBY Enable, T
STBY Disabled, MUTE Enabled @ V5V
P
V5V
Pout=1W, F=1KHz, V
Pout=0.25W, F=1KHz, V5V / 4 < V
HIGAIN = V
Input 2Vpp, F=1KHz, V
Measured WRT VCOM
Single-ended
GBNT **
Any 4 out of 5 clock periods
VPOS – VNEG
VPOS = 12V, VNEG = -12V, Ids = 0.2A
VPOS = 12V, VNEG = -12V, Ids = 0.2A
A
A
OUT
= 0°C to 70°C
= -40°C to 85°C
®
= 4W, F = 1kHz, V
Microsemi
GND
OSC
Test Conditions
A
capacitor value, value shown is
= 25°C @ V5V
MUTE
MUTE
MUTE
15W+15W Stereo Class-D Amplifier
= V
= V5V
= V
GND
Filterless 30W Mono in BTL
GND
, HIGAIN = V
P
, HIGAIN =
MUTE
RODUCTION
< V5V / 2,
GND
D
0.38
Min
160
4.5
4.5
3.8
±6
12
18
17
10
9
ATA
A
LX1725
S
= -40 ~ +85°C°C except
0.01
2.29
3.75
Typ
HEET
220
±12
100
550
550
150
5.0
5.5
125
24
15
22
11
60
12
4
1
4
0.045
Max
13.2
1.78
280
±15
250
170
900
900
5.5
6.5
10
30
20
26
13
27
5
8
LX1725
Units
KHz
V/V
V/V
V/V
V/V
mΩ
mΩ
mA
mV
KΩ
µA
dB
°C
°C
%
%
%
V
V
A
V
V
V
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