參數(shù)資料
型號: MAX9704ETJ+T
廠商: Maxim Integrated Products
文件頁數(shù): 14/20頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 16W STER 32TQFN
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 2,500
類型: D 類
輸出類型: 2 通道(立體聲)
在某負載時最大輸出功率 x 通道數(shù)量: 16W x 2 @ 16 歐姆
電源電壓: 10 V ~ 25 V
特點: 消除爆音,差分輸入,靜音,短路和熱保護,關機
安裝類型: 表面貼裝
供應商設備封裝: 32-TQFN-EP(7x7)
封裝/外殼: 32-WQFN 裸露焊盤
包裝: 帶卷 (TR)
MAX9703/MAX9704
10W Stereo/15W Mono, Filterless,
Spread-Spectrum, Class D Amplifiers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 15V, AGND = PGND = 0V, SHDN
≥ VIH, AV = 16dB, CSS = CIN = 0.47F, CREG = 0.01F, C1 = 100nF, C2 = 1F, FS1 = FS2
= PGND (fS = 660kHz), RL connected between OUTL+ and OUTL- and OUTR+ and OUTR-, TA = TMIN to TMAX, unless otherwise
noted. Typical values are at TA = +25°C.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RL = 4
Ω
10
RL = 8
Ω
15
Continuous Output Power
(MAX9703)
PCONT
THD+N = 10%, VDD =
16V, f = 1kHz, TA =
+25°C, tCONT = 15min
(Note 4)
RL = 16
Ω, VDD = 24V
18
W
RL = 4
Ω
2x5
RL = 8
Ω
2x10
Continuous Output Power
(MAX9704)
PCONT
THD+N = 10%, VDD =
16V, f = 1kHz, TA =
+25°C, tCONT = 15min
(Note 4)
RL = 16
Ω, VDD = 24V
2x16
W
Total Harmonic Distortion Plus
Noise
THD+N
fIN = 1kHz, either FFM or SSM, RL = 8
Ω,
POUT = 4W
0.07
%
FFM
94
BW = 22Hz to
22kHz
SSM
88
FFM
97
Signal-to-Noise Ratio
SNR
RL = 8
Ω, POUT =
10W, f = 1kHz
A-weighted
SSM
91
dB
Crosstalk
Left to right, right to left, 8
Ω load, fIN = 10kHz
65
dB
FS1 = L, FS2 = L
560
670
800
FS1 = L, FS2 = H
940
FS1 = H, FS2 = L
470
Oscillator Frequency
fOSC
FS1 = H, FS2 = H (spread-spectrum mode)
670
±7%
kHz
POUT = 15W, f = 1kHz, RL = 8
Ω
78
Efficiency
η
POUT = 10W, f = 1kHz, RL = 16
Ω
88
%
Regulator Output
VREG
6V
DIGITAL INPUTS (
SHDN, FS_, G_)
VIH
2.5
Input Thresholds
VIL
0.8
V
Input Leakage Current
±1A
Note 1: All devices are 100% production tested at +25°C. All temperature limits are guaranteed by design.
Note 2: Testing performed with a resistive load in series with an inductor to simulate an actual speaker load. For RL = 8
Ω, L = 68H.
For RL = 4
Ω, L = 33H.
Note 3: PSRR is specified with the amplifier inputs connected to AGND through CIN.
Note 4: The MAX9704 continuous 8
Ω and 16Ω power measurements account for thermal limitations of the 32-pin TQFN-EP package.
Continuous 4
Ω power measurements account for short-circuit protection of the MAX9703/MAX9704 devices.
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