參數(shù)資料
型號(hào)： MAX9709ETN+D
廠商： Maxim Integrated Products
文件頁數(shù)： 15/20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
4
_______________________________________________________________________________________
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
Output Short-Circuit Current
Threshold
ISC
RLOAD = 0
Ω
3A
Into shutdown
-63
Click-and-Pop Level
KCP
Peak voltage, 32
samples/second,
A-weighted (Notes 2, 5)
Out of shutdown
-55
dBV
MONO MODE (RLOAD = 4
Ω, MONO = HIGH) (Note 6)
MUTE = 1, RLOAD = ∞
20
Quiescent Current
MUTE = 0
6.5
mA
RLOAD = 8
Ω
25
Output Power
POUT
f = 1kHz,
THD = 10%
RLOAD = 4
Ω
50
W
Total Harmonic Distortion Plus
Noise
THD+N
f = 1kHz, BW = 22Hz to 22kHz,
POUT = 22W
0.09
%
20Hz to 20kHz
91
Signal-to-Noise Ratio
SNR
POUT = 10W
A-weighted
95
dB
Efficiency
η
POUT = 54W, f = 1kHz
86
%
Output Short-Circuit Current
Threshold
ISC
RLOAD = 0
Ω
6A
Into shutdown
-60
Click-and-Pop Level
KCP
Peak voltage, 32
samples/second,
A-weighted (Notes 2, 5)
Out of shutdown
-63
dBV
DIGITAL INPUTS (SHDN, MUTE, G1, G2, FS1, FS2, TH0, TH1, TH2, SYNCIN, MONO)
Logic-Input Current
IIN
0 to 12V
1
A
Logic-Input High Voltage
VIH
2.5
V
Logic-Input Low Voltage
VIL
0.8
V
OPEN-DRAIN OUTPUTS (TEMP, SYNCOUT)
Open-Drain Output Low Voltage
VOL
ISINK = 3mA
0.4
V
Leakage Current
ILEAK
VPULLUP = 5.5V
0.2
A
Note 1: All devices are 100% production tested at +25°C. All temperature limits are guaranteed by design.
Note 2: Inputs AC-coupled to GND.
Note 3: Testing performed with an 8
Ω resistive load in series with a 68H inductive load across the BTL outputs.
Note 4: Minimum output power is guaranteed by pulse testing.
Note 5: Testing performed with an 8
Ω resistive load in series with a 68H inductive load connected across BTL outputs. Mode tran-
sitions are controlled by SHDN.
Note 6: Testing performed with a 4
Ω resistive load in series with a 33H inductive load across the BTL outputs.
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MAX970EEE+ 功能描述:校驗(yàn)器 IC Quad uPower Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
MAX970EEE+T 功能描述:校驗(yàn)器 IC Quad uPower Comparator RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時(shí)間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
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