參數(shù)資料
型號: MAX9709ETN+D
廠商: Maxim Integrated Products
文件頁數(shù): 14/20頁
文件大小: 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
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(PVDD = VDD = +20V, PGND = GND = 0V, CSS = 0.47F, CREG = 0.01F, C1 = 0.1F, C2 = 1F, RLOAD = ∞, MONO = low (stereo
mode), SHDN = MUTE = high, G1 = low, G2 = high (AV = 22dB), FS1 = FS2 = high (SSM), SYNCIN = low. All load resistors (RL) are
connected between OUT_+ and OUT_-, unless otherwise stated. TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
G1 = 0, G2 = 1
21.6
22.0
22.3
G1 = 1, G2 = 1
24.9
25.0
25.6
G1 = 1, G2 = 0
29.2
29.5
29.9
Gain
AV
G1 = 0, G2 = 0
35.9
36.0
36.6
dB
TH2
TH1
TH0
00
0
80
00
1
90
0
1
0
100
0
1
110
1
0
120
1
0
1
129
1
0
139
TEMP Flag Threshold
TFLAG
11
1
°C
TEMP Flag Accuracy
From +80°C to +140°C
±6
°C
TEMP Flag Hysteresis
2°C
STEREO MODE (RLOAD = 8
Ω, Note 3)
MUTE = 1, RLOAD =
20
33
Quiescent Current
MUTE = 0
6.5
13
mA
PVDD = 20V
25
PVDD = 22V
29
Output Power
POUT
f = 1kHz, THD =
10%, TA = +25°C
PVDD = 12V,
RLOAD = 4
Ω
15
W
Total Harmonic Distortion Plus
Noise
THD+N
f = 1kHz, BW = 22Hz to 22kHz,
POUT = 12W
0.1
%
22Hz to 22kHz
91
Signal-to-Noise Ratio
SNR
POUT = 10W
A-weighted
96
dB
Efficiency
η
POUT = 25W + 25W, f = 1kHz
87
%
Left-Right Channel Gain
Matching
RLOAD =
0.2
%
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