參數(shù)資料
型號(hào): MAX9709ETN+D
廠商: Maxim Integrated Products
文件頁數(shù): 16/20頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 50W STER 56TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 37
類型: D 類
輸出類型: 1-通道(單聲道)或 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: 50W x 1 @ 4 歐姆; 29W x 2 @ 8 歐姆
電源電壓: 10 V ~ 22 V
特點(diǎn): 消除爆音,差分輸入,靜音,短路和熱保護(hù),關(guān)機(jī)
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 56-TQFN-EP(8x8)
封裝/外殼: 56-WFQFN 裸露焊盤
包裝: 管件
產(chǎn)品目錄頁面: 1392 (CN2011-ZH PDF)
MAX9709
25W/50W, Filterless, Spread-Spectrum,
Stereo/Mono, Class D Amplifier
_______________________________________________________________________________________
5
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (STEREO MODE)
MAX9709
toc01
OUTPUT POWER (W)
THD+N
(%)
30
25
20
15
10
5
0.1
1
10
100
0.01
035
fIN = 1kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (STEREO MODE)
MAX9709
toc02
OUTPUT POWER (W)
THD+N
(%)
20
15
10
5
0.1
1
10
100
0.01
025
RLOAD = 4
Ω
RLOAD = 8
Ω
PVDD = 12V
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY (STEREO MODE)
MAX9709
toc03
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.1
10
100k
1
0.01
POUT = 12W
EFFICIENCY vs. OUTPUT POWER
(STEREO MODE)
MAX9709
toc04
OUTPUT POWER (W)
EFFICIENCY
(%)
25
20
15
10
5
10
20
30
40
50
60
70
80
90
100
0
030
OUTPUT POWER vs. SUPPLY VOLTAGE
(STEREO MODE)
MAX9709
toc05
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
22
20
18
16
14
12
5
10
15
20
25
30
35
0
10
24
THD+N = 1%
THD+N = 10%
NO-LOAD SUPPLY CURRENT
vs. SUPPLY VOLTAGE (STEREO MODE)
MAX9709
toc06
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
20
18
16
14
12
14
16
18
20
22
24
10
22
TA = +25
°C
TA = +85
°C
TA = -40
°C
Typical Operating Characteristics
(PVDD = VDD = +20V, PGND = GND = 0V, CSS = 0.47F, CREG = 0.01F, C1 = 0.1F, C2 = 1F, RLOAD = 8Ω, SHDN = high, MONO
= low, MUTE = high, G1 = low, G2 = high, FS1 = FS2 = high (SSM), SYNCIN = low. All load resistors (RL) are between OUT_+ and
OUT_-, TA = +25°C, unless otherwise stated.)
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9709
toc07
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(nA)
20
18
12
14
16
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
10
22
SHDN = 0
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (MONO MODE)
MAX9709
toc08
OUTPUT POWER (W)
THD+N
(%)
50
40
30
20
10
0.1
1
10
100
0.01
060
RLOAD = 4
Ω
fIN = 1kHz
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