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參數(shù)資料
| 型號： | MAX9719 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Cost. Mono/Stereo. 1.4W Differential Audio Power Amplifiers |
| 中文描述： | 低成本、單聲道/立體聲、1.4W差分音頻功率放大器 |
| 文件頁數(shù)： | 5/18頁 |
| 文件大?。?/td> | 537K |
| 代理商： | MAX9719 |
M
500mW, Low EMI, Filterless,
Class D Audio Amplifier
_______________________________________________________________________________________
5
0
30
20
10
50
40
90
80
70
60
100
2.5
3.0
3.5
SUPPLY VOLTAGE (V)
4.0
4.5
5.0
5.5
EFFICIENCY vs. SUPPLY VOLTAGE
M
E
R
L
= 8
f = 1kHz
R
L
= 6
R
L
= 16
0
30
20
10
50
40
90
80
70
60
100
800
1000
1200
SYNC FREQUENCY (kHz)
1400
1800
1600
2000
EFFICIENCY
vs. SYNC INPUT FREQUENCY
M
E
R
L
= 8
V
= 3.3V
f = 1kHz
P
OUT
= 300mW
0
500
400
200
100
300
700
600
900
800
1000
2.5
3.1
3.7
4.3
4.9
5.5
OUTPUT POWER
vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
O
f = 1kHz
R
L
= 6
R
L
= 8
R
L
= 16
0
300
200
100
500
400
900
800
700
600
1000
0
10
20
40
30
LOAD RESISTANCE (
)
80
70
60
50
100
90
OUTPUT POWER
vs. LOAD RESISTANCE
M
O
V
DD
= 5V
V
DD
= 3.3V
f = 1kHz
THD+N = 1%
0
-100
10
100
1k
10k
100k
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
-80
M
FREQUENCY (Hz)
C
-60
-40
-20
-30
-50
-70
-90
-10
INPUT REFERRED
V
IN
= 200mV
P-P
0
-100
10
100
1k
10k
100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
-80
M
FREQUENCY (Hz)
P
-60
-40
-20
-30
-50
-70
-90
-10
OUTPUT REFERRED
INPUTS AC GROUNDED
V
DD
= 3.3V
GSM POWER-SUPPLY REJECTION
MAX9712
OUTPUT
V
DD
100
μ
V/div
500mV/div
2ms/div
f = 217Hz
INPUT LOW = 3V
INPUT HIGH = 3.5V
DUTY CYCLE = 88%
R
L
= 8
-140
-100
-120
-60
-80
-20
-40
0
OUTPUT FREQUENCY SPECTRUM
M
FREQUENCY (Hz)
O
0
5k
10k
15k
20k
FFM MODE
V
OUT
= -60dBV
f = 1kHz
R
L
= 8
UNWEIGHTED
Typical Operating Characteristics (continued)
(V
DD
= 3.3V, V
SYNC
= GND, T
A
= +25°C, unless otherwise noted.)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9719AEBE | 制造商:Maxim Integrated Products 功能描述:LOW-COST MONO/STEREO 1.4W DIFFERE - Rail/Tube |
| MAX9719AEBE+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 2CH STEREO 1.4W CLS-AB 16UCSP - Rail/Tube |
| MAX9719AEBE+T | 功能描述:音頻放大器 Mono/Stereo 1.4W BTL Audio Power Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX9719AEBE-T | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX9719AETE | 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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