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參數(shù)資料
| 型號(hào)： | LX1720-01CDBT |
| 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(yè)數(shù)： | 3/6頁(yè) |
| 文件大?。?/td> | 179K |
| 代理商： | LX1720-01CDBT |
SWITCHING CLASS-D, STEREO POWER AMPLIFIER CONTROLLER IC
LX1720
PRODUCT DA T ABOOK 1996/1997
3
Copyright 1999
Rev. 1.0
9/99
P RODUCTION D ATA S HEET
AudioMAX
TM
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, the following specifications apply over the operating ambient temperature 0°C
≤ T
A ≤ 70°C.
Test conditions: RT = 30k, CT = 100pF, VDD = PVDD = 15V.)
Parameter
Symbol
Test Conditions
Input Offset Voltage
DC Open Loop Gain
Unity Gain Bandwidth
High Output Voltage
I
OUT = -100A
Low Output Voltage
I
OUT = +100A
Input Common Mode Range
Input Bias Current
Oscillator Section
Oscillator Frequency
Oscillator Peak Voltage
Oscillator Valley Voltage
Oscillator Max. Frequency
Voltage Stability
Temperature Stability
Input Amplifiers
Stage Gain
Set by Internal Resistors
Input Impedance
Units
LX1720
Min.
Typ.
Max.
280
330
380
kHz
2.5
V
200
mV
1
MHz
12
%
2%
5mV
60
dB
7
MHz
4V
50
mV
15
V
1A
3.465
3.5
3.535
V/V
42
k
Error Amplifiers
Current Limit Comparators
Voltage Sense Threshold
Comparator Response Time
200
220
240
mV
500
nsec
PWM Comparators
CPWM Delay To Output
250
nsec
PWM Current Generator
CPWM Charge Current
RPWM = 75k
Impedance of Internal Discharge FET
75
A
20
Feedback Amplifiers
High Output Voltage
I
OUT = -250A
Low Output Voltage
I
OUT = +250A
Common Mode Rejection
Input Common Mode Range
Input Impedance
Stage Gain
LX1720-01
Set by Internal Resistors
4V
50
mV
70
dB
0V
DD
V
388
k
89
91
93
mV/V
Output Drivers For The N-Channel MOSFETs
Ext. NFET Drivers, Low Level Voltage
V
OL
I
SINK = 3mA
I
SINK = 75mA
Ext. NFET Drivers, High Level Voltage
V
OH
I
SOURCE = 3mA
I
SOURCE = 75mA, CN = 5.2V (applied externally)
30
100
mV
1
1.5
V
30
100
mV
1
1.5
V
Output Drivers For The P-Channel MOSFETs
Ext. PFET Drivers, Low Level Voltage
V
OL
I
SINK = 3mA
I
SINK = 75mA
Ext. PFET Drivers, High Level Voltage
V
OH
I
SOURCE = 3mA
I
SOURCE = 75mA, CP = 5.2V (applied externally)
30
100
mV
1
1.5
V
30
100
mV
1
1.5
V
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| LX1720-01DB | 2 CHANNEL, AUDIO AMPLIFIER, PDSO44 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LX1721 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:Class-D Stereo Power Amplifier Controller |
| LX1721_04 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:Class-D Stereo Power Amplifier Controller |
| LX1721-01 EVAL KIT | 功能描述:KIT EVAL AMP STEREO CLASS D RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 音頻放大器 系列:AudioMAX 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- |
| LX1721CDB | 功能描述:IC AMP AUDIO PWR 10W STER 44QSOP RoHS:否 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:AudioMAX™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| 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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