參數(shù)資料
型號: MAX9773ETG+
廠商: Maxim Integrated Products
文件頁數(shù): 16/21頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 1.8W D 24TQFN
標準包裝: 75
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: 1.8W x 2 @ 4 歐姆
電源電壓: 2.6 V ~ 5.5 V
特點: 消除爆音,差分輸入,短路和熱保護,關(guān)閉
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: 管件
MAX9773
1.8W, Filterless, Ultra-Low EMI,
Stereo Class D Audio Power Amplifier
4
_______________________________________________________________________________________
Typical Operating Characteristics
(VDD = VPVDD = VSHDN = 3.3V, VGND = VPGND = 0V, SYNC = VDD (SSM), gain = 12dB (GAIN1 = 1, GAIN2 = 1)).
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9773
toc01
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
10
100k
VDD = 5V
RL = 4
OUTPUT POWER = 600mW
OUTPUT POWER = 300mW
OUTPUT POWER = 100mW
0.1
0.01
1
10
0.001
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9773
toc02
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.1
0.01
1
10
0.001
10
100k
VDD = 5V
RL = 8
OUTPUT POWER = 250mW
OUTPUT POWER = 100mW
OUTPUT POWER = 500mW
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9773
toc03
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
10
100k
VDD = 3.3V
RL = 4
OUTPUT POWER = 100mW
OUTPUT POWER = 600mW
OUTPUT POWER = 300mW
0.1
0.01
1
10
0.001
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9773
toc04
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
10
100k
VDD = 3.3V
RL = 8
OUTPUT POWER = 100mW
OUTPUT POWER = 400mW
OUTPUT POWER = 250mW
0.1
0.01
1
10
0.001
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX9773
toc05
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
10
100k
VDD = 5V
RL = 8
POUT = 800mW
FFM
SSM
0.1
0.01
1
10
0.001
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9773
toc06
OUTPUT POWER (W)
THD+N
(%)
2.5
2.0
1.5
1.0
0.5
0.1
0.01
10
1
100
0.001
0
VDD = 5V
RL = 4
fIN = 20Hz
fIN = 20kHz
fIN = 1kHz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9773
toc07
OUTPUT POWER (W)
THD+N
(%)
1.5
1.2
0.9
0.6
0.3
0.01
0.1
1
10
100
0.001
01.8
VDD = 5V
RL = 8
fIN = 1kHz
fIN = 20Hz
fIN = 20kHz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9773
toc08
OUTPUT POWER (W)
THD+N
(%)
1.0
0.8
0.6
0.4
0.2
0.1
0.01
10
1.0
100
0.001
0
VDD = 3.3V
RL = 4
fIN = 20Hz
fIN = 1kHz
fIN = 20kHz
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9773
toc09
OUTPUT POWER (W)
THD+N
(%)
0.6
0.4
0.2
0.1
0.01
1
10
100
0.001
00.8
VDD = 3.3V
RL = 8
fIN = 1kHz
fIN = 20Hz
fIN = 20kHz
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