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參數(shù)資料
| 型號： | MAX9701ETG+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 18/22頁 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 2.2W D 24TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | D 類 |
| 輸出類型： | 2 通道（立體聲） |
| 在某負(fù)載時最大輸出功率 x 通道數(shù)量： | 2.2W x 2 @ 4 歐姆 |
| 電源電壓： | 2.5 V ~ 5.5 V |
| 特點(diǎn)： | 消除爆音，差分輸入，短路和熱保護(hù)，關(guān)閉 |
| 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) |
MAX9701
1.3W, Filterless, Stereo Class D Audio
Power Amplifier
_______________________________________________________________________________________
5
Typical Operating Characteristics (continued)
(VDD = PVDD = SHDN = 3.3V, GND = PGND = 0V, SYNC = VDD (SSM), gain = 6dB (GAIN1 = 0, GAIN2 = 1)).
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
MAX9701
toc10
OUTPUT POWER (W)
THD+N
(%)
1.6
1.2
0.8
0.4
0.01
0.1
1
10
100
0.001
0
2.0
VDD = 5V
RL = 8
Ω
fIN = 1kHz
SSM
FFM
EFFICIENCY vs. OUTPUT POWER
MAX9701
toc11
OUTPUT POWER (W)
EFFICIENCY
(%)
2.0
1.5
1.0
0.5
10
20
30
40
50
60
70
80
90
100
0
2.5
RL = 8
Ω
RL = 4
Ω
VDD = 5V
fIN = 1kHz
EFFICIENCY vs. OUTPUT POWER
MAX9701
toc12
OUTPUT POWER (W)
EFFICIENCY
(%)
1.0
0.8
0.6
0.4
0.2
10
20
30
40
50
60
70
80
90
100
0
1.2
RL = 8
Ω
RL = 4
Ω
VDD = 3.3V
fIN = 1kHz
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9701
toc13
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
5.0
4.5
4.0
3.5
3.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
2.5
5.5
RL = 4
Ω
AV = 12dB
fIN = 1kHz
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX9701
toc14
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(W)
5.0
4.5
4.0
3.5
3.0
0.4
0.8
1.2
1.6
2.0
0
2.5
5.5
RL = 8
Ω
AV = 12dB
fIN = 1kHz
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. LOAD RESISTANCE
MAX9701
toc15
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(W)
80
60
40
20
0.5
1.0
1.5
2.0
2.5
3.0
0
100
VDD = 5V
fIN = 1kHz
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. LOAD RESISTANCE
MAX9701
toc16
LOAD RESISTANCE (
Ω)
OUTPUT
POWER
(W)
80
60
40
20
0.4
0.8
1.2
1.6
2.0
0
100
fIN = 1kHz
THD+N = 10%
THD+N = 1%
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9701
toc17
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VRIPPLE = 100mVP-P
RL = 8
Ω
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
MAX9701
toc18
FREQUENCY (Hz)
CMRR
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VCM = 100mVP-P
RL = 8
Ω
VDD = 5V
VDD = 3.3V
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