參數(shù)資料
型號: MAX9768ETG+T
廠商: Maxim Integrated Products
文件頁數(shù): 25/26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(guān)機,音量控制
安裝類型: 表面貼裝
供應(yīng)商設(shè)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
8
_______________________________________________________________________________________
EFFICIENCY vs. OUTPUT POWER
MAX9768
toc13
OUTPUT POWER (W)
EFFICIENCY
(%)
10
46
8
2
20
10
30
50
40
60
100
80
70
90
0
PWM MODE
PVDD = 12V
fIN = 1kHz
RL = 8
Ω
FILTERLESS MODULATION
EFFICIENCY vs. OUTPUT POWER
MAX9768
toc14
OUTPUT POWER (W)
EFFICIENCY
(%)
2.0
1.0
1.5
0.5
20
10
30
50
40
60
100
80
70
90
0
PWM MODE
FILTERLESS MODULATION
PVDD = 5V
fIN = 1kHz
RL = 8
Ω
EFFICIENCY vs. SUPPLY VOLTAGE
MAX9768
toc15
SUPPLY VOLTAGE (V)
EFFICIENCY
(%)
14.5
8.5
10.5
12.5
6.5
83
86
89
95
92
80
4.5
THD+N = 10%
THD+N = 1%
fIN = 1kHz
RL = 8
Ω
FILTERLESS MODULATION
EFFICIENCY vs. SUPPLY VOLTAGE
MAX9768
toc16
SUPPLY VOLTAGE (V)
EFFICIENCY
(%)
14.5
8.5
10.5
12.5
6.5
83
86
89
95
92
80
4.5
fIN = 1kHz
RL = 8
Ω
PWM MODULATION
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9768
toc17
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
14
810
12
6
2
4
6
8
14
12
10
0
4
RL = 8
Ω
fIN = 1kHz
PWM MODE
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9768
toc18
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
14
810
12
6
2
4
6
8
12
10
0
4
RL = 4
Ω
fIN = 1kHz
PWM MODE
THD+N = 1%
THD+N = 10%
OUTPUT POWER vs. LOAD RESISTANCE
MAX9768
toc19
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(W)
30
10
15
25
20
5
2
4
6
8
12
10
0
PVDD = 12V
f = 1kHz
PWM MODE
THD+N = 1%
THD+N = 10%
OUTPUT POWER vs. LOAD RESISTANCE
MAX9768
toc20
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(W)
30
10
15
25
20
5
0.5
1.0
1.5
2.5
2.0
3.5
3.0
0
PVDD = 5V
f = 1kHz
PWM MODE
THD+N = 1%
THD+N = 10%
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.)
CASE TEMPERATURE vs. OUTPUT POWER
MAX9768
toc21
OUTPUT POWER (W)
CASE
TEMPERATURE
C)
12
46
10
8
2
10
30
20
40
50
70
60
90
80
0
fIN = 1kHz
RL = 8
Ω
PVDD = 14V
PVDD = 12V
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