參數(shù)資料
型號: MAX9768ETG+T
廠商: Maxim Integrated Products
文件頁數(shù): 26/26頁
文件大?。?/td> 0K
描述: IC AMP AUDIO 10W MONO D 24TQFN
產(chǎn)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: 1-通道(單聲道)
在某負載時最大輸出功率 x 通道數(shù)量: 10W x 1 @ 8 歐姆
電源電壓: 4.5 V ~ 14 V
特點: 消除爆音,I²C,靜音,短路和熱保護,關機,音量控制
安裝類型: 表面貼裝
供應商設備封裝: 24-TQFN-EP(4x4)
封裝/外殼: 24-WFQFN 裸露焊盤
包裝: 帶卷 (TR)
MAX9768
10W Mono Class D Speaker
Amplifier with Volume Control
_______________________________________________________________________________________
9
POWER-SUPPLY REJECTION RATIO (PVDD)
vs. FREQUENCY
MAX9768
toc22
FREQUENCY (Hz)
PSRR
(dB)
100k
1k
10k
100
-90
-70
-80
-60
-50
-30
-40
0
-10
-20
-100
10
PVDD = 12V
VRIPPLE = 100mVP-P
RL = 8
Ω
PWM MODE
FILTERLESS MODULATION
POWER-SUPPLY REJECTION RATIO (VDD)
vs. FREQUENCY
MAX9768
toc23
FREQUENCY (Hz)
PSRR
(dB)
100k
1k
10k
100
-90
-70
-80
-60
-50
-30
-40
0
-10
-20
-100
10
VDD = 3.3V
VRIPPLE = 100mVP-P
RL = 8
Ω
PWM MODE
FILTERLESS MODULATION
OUTPUT WAVEFORM
(FILTERLESS MODULATION)
MAX9768 toc24
1
μs/div
5V/div
OUTPUT WAVEFORM (PWM MODE)
MAX9768 toc25
1
μs/div
5V/div
OUTPUT FREQUENCY SPECTRUM
MAX9768
toc26
FREQUENCY (kHz)
20
10
515
-120
-100
-80
-40
-60
0
-20
-140
0
FFM MODE
VIN = -60dBV
f = 1kHz
RL = 8
Ω
UNWEIGHTED
OUTPUT
MAGNITUDE
(dBV)
OUTPUT FREQUENCY SPECTRUM
MAX9768
toc27
FREQUENCY (kHz)
20
10
515
-120
-100
-80
-40
-60
0
-20
-140
0
VIN = -60dBV
f = 1kHz
RL = 8
Ω
UNWEIGHTED
OUTPUT
MAGNITUDE
(dBV)
WIDEBAND OUTPUT SPECTRUM
(FIXED-FREQUENCY MODULATION MODE)
MAX9768
toc28
FREQUENCY (MHz)
1000
10
100
-90
-100
-80
-70
-30
-40
-50
-60
0
-10
-20
1
RBW = 10kHz
INPUT AC GROUNDED
FILTERLESS MODULATION
OUTPUT
AMPLITUDE
(dBV)
WIDEBAND OUTPUT SPECTRUM
(FIXED-FREQUENCY MODULATION MODE)
MAX9768
toc29
FREQUENCY (MHz)
1000
10
100
-90
-100
-80
-70
-30
-40
-50
-60
0
-10
-20
1
RBW = 10kHz
INPUT AC GROUNDED
PWM MODE
OUTPUT
AMPLITUDE
(dBV)
WIDEBAND OUTPUT SPECTRUM
(SPREAD-SPECTRUM MODULATION MODE)
MAX9768
toc30
FREQUENCY (MHz)
1000
10
100
-90
-100
-80
-70
-30
-40
-50
-60
0
-10
-20
1
OUTPUT
AMPLITUDE
(dBV)
RBW = 10kHz
INPUT AC GROUNDED
FILTERLESS MODULATION
_______________________________________________________________________________________
9
Typical Operating Characteristics (continued)
(VPVDD = 12V, VDD = 3.3V, VGND = VPGND = 0, VMUTE = 0; 0dB volume setting; all speaker load resistors connected between OUT+
and OUT-, RL = 8
Ω, unless otherwise noted. CBIAS = 2.2F, C1 = C2 = 0.1F, CIN = 0.47F, RIN = 20kΩ, RFB = 30kΩ, spread-spec-
trum modulation mode.)
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