參數(shù)資料
型號(hào)： LX1722CDB
英文描述： AudioMAX Products
中文描述： AudioMAX產(chǎn)品
文件頁數(shù)： 5/14頁
文件大?。?/td> 357K
代理商： LX1722CDB
Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 5
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
E L E C T R I C A L C H A R A C T E RI S T I C S ( C O N T I N U E D )
LX1721 / 1722
Typ
Parameter
Symbol
Test Conditions
Min
Max
Units
Feedback Amplifier
Stage Gain LX1721
LX1722
Input Impedance
Current Limit Comparator
Set by Internal Resistors
Set by Internal Resistors
89
56
91
57
388
93
58
‘
mV/V
‘
mV/V
k
Voltage Sense Threshold
Blanking Pulse Delay
Response Time
I
Pulses required to Current Limit
Latch
Consecutive Clear Pulses required to
reset I
UM
counter
Reference Voltage Section
Excluding blanking pulse
190
210
500
250
230
mV
‘
ns
‘
ns
4
4
4
‘
cycles
2
2
2
‘
cycles
Initial Accuracy
Voltage Stability
T
A
= 0
O
C to 70
O
C
T
A
= -40
O
C to 125
O
C
V
DD
= 9V to 15V
I
OUT
= 0 to 20mA
5.000
± 25
2
4
0.5
5
± 50
5
10
‘
mV
‘
mV
‘
mV
‘
mV
‘
mV
Temperature Stability
Line Regulation
Load Regulation
Under voltage Lockout Section
Start Threshold Voltage
UV Lockout Hysteresis
UVLO Delay To Output Enable
Supply Current
6.5
6.5
62,500
V
V
0.5
clkcyc
Sleep Current
SLEEP Input = 0V, T
A
= 25
O
C
SLEEP Input = 2V, V
= 15V,
No MOSFETs connected
25
μ
A
Operating Current
2.9
5.0
‘
mV
Sleep to Output Enable
Sleep Threshold
Mute Section
62,500
1.45
clkcyc
V
1.2
1.6
Mute Threshold
Output Drivers for N-Channel MOSFETs
1.6
1.7
1.8
V
I
SINK
= 3mA
I
SINK
= 75mA
I
SOURCE
= 3mA, C
N
= 5.2V
applied externally
I
SOURCE
= 75mA, C
N
= 5.2V
applied externally
30
1.5
100
2.0
‘
mV
V
NFET Drivers, Low Level Voltage
V
OL
30
100
‘
mV
NFET Drivers, High Level Voltage
V
OH
1.5
2.0
V
Output Drives For P-Channel MOSFETs
I
SINK
= 3mA
I
SINK
= 75mA
I
SOURCE
= 3mA, C
P
= 5.2V
(applied externally)
I
SOURCE
= 75mA, C
P
= 5.2V
(applied externally)
30
1
100
1.5
‘
mV
V
PFET Drivers, Low Level Voltage
V
OL
30
100
‘
mV
PFET Drivers, High Level Voltage
V
OH
1
1.5
V
E
L
E
C
T
R
I
C
A
L
S
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LX1722CDBTR 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:Class-D Stereo Power Amplifier Controller
LX1722CDB-TR 制造商:Microsemi Corporation 功能描述:Audio Amp Speaker 2-CH Stereo 60W Class-D 44-Pin SSOP T/R 制造商:Microsemi Corporation 功能描述:PWR AMP CNTRLR - Tape and Reel
LX1722SM EVAL KIT 功能描述:EVAL BOARD FOR LX1722 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 過時(shí)/停產(chǎn)零件編號(hào) 系列:AudioMAX 標(biāo)準(zhǔn)包裝:1 系列:- 類型:MCU 適用于相關(guān)產(chǎn)品:Freescale MC68HC908LJ/LK（80-QFP ZIF 插口） 所含物品:面板、纜線、軟件、數(shù)據(jù)表和用戶手冊 其它名稱:520-1035
LX1725 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:15W+15W Stereo Class-D Amplifier Filterless 30W Mono in BTL
LX1725ILQ 功能描述:IC AMP AUDIO 32W STER D 32MLPQ RoHS:是 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)
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