參數(shù)資料
型號: MAX9757ETJ+
廠商: Maxim Integrated Products
文件頁數(shù): 30/31頁
文件大?。?/td> 0K
描述: IC AMP AUDIO PWR 2.3W AB 32TQFN
標(biāo)準(zhǔn)包裝: 60
系列: DirectDrive®
類型: AB 類
輸出類型: 2-通道(立體聲)帶立體聲耳機
在某負(fù)載時最大輸出功率 x 通道數(shù)量: 2.3W x 2 @ 3 歐姆; 130mW x 2 @ 16 歐姆
電源電壓: 4.5 V ~ 5.5 V
特點: 消除爆音,短路保護和熱保護,關(guān)機,音量控制
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 32-TQFN-EP(5x5)
封裝/外殼: 32-WFQFN 裸露焊盤
包裝: 管件
MAX9756/MAX9757/MAX9758
2.3W Stereo Speaker Amplifiers and DirectDrive
Headphone Amplifiers with Automatic Level Control
8
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VDD = PVDD = HPVDD = CPVDD = IN = +5.0V, GND = PGND = CPGND = 0V, SHDN = VDD, REGEN = DR = SET = GND, CBIAS =
1F, CPVSS = 1F, C1 = C2 = 1F, PREF = unconnected, GAIN1 = 1, GAIN2 = GAIN3 = VOL = 0V, measurement BW = 22Hz to
22kHz, TA = +25°C, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9756
toc19
OUTPUT POWER (mW)
THD+N
(%)
100
80
60
40
20
0.01
0.1
1
10
100
0.001
0
120
HPVDD = 3.3V
RL = 16
fIN = 100Hz
fIN = 10kHz
fIN = 1kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (HEADPHONE MODE)
MAX9756
toc20
OUTPUT POWER (mW)
THD+N
(%)
80 90
70
40 50 60
30
10 20
0.01
0.1
1
10
100
0.001
0
100
HPVDD = 3.3V
RL = 32
fIN = 100Hz
fIN = 1kHz
fIN = 10kHz
OUTPUT POWER vs. LOAD RESISTANCE
(HEADPHONE MODE)
MAX9756
toc21
LOAD RESISTANCE (
)
OUTPUT
POWER
(mW)
100
20
40
60
80
100
120
140
0
10
1000
HPVDD = 3.3V
f = 1kHz
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. LOAD RESISTANCE
(HEADPHONE MODE)
MAX9756
toc22
LOAD RESISTANCE (
)
OUTPUT
POWER
(mW)
100
20
40
60
80
100
120
140
160
180
200
0
10
1000
HPVDD = 5V
f = 1kHz
THD+N = 10%
THD+N = 1%
POWER DISSIPATION vs. OUTPUT POWER
(HEADPHONE MODE)
MAX9756
toc23
OUTPUT POWER (mW)
POWER
DISSIPATION
(mW)
225
200
175
150
125
100
75
50
25
0.2
0.4
0.6
0.8
0
250
f = 1kHz
POUT = PHL + PHR
RL = 16
RL = 32
OUTPUT POWER vs. SUPPLY VOLTAGE
(HEADPHONE MODE)
MAX9756
toc24
SUPPLY VOLTAGE (V)
OUTPUT
POWER
(mW)
5.0
4.5
4.0
3.5
10
20
30
40
50
60
70
80
90
100
110
120
130
140
0
3.0
5.5
RL = 16
RL = 32
THD+N = 1%
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY (HEADPHONE MODE)
MAX9756
toc25
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VRIPPLE = 100mVP-P
INPUTS AC-GROUNDED
HPVDD = 5V
HPVDD = 3.3V
CROSSTALK vs. FREQUENCY
(HEADPHONE MODE)
MAX9756
toc26
FREQUENCY (Hz)
CROSSTALK
(dB)
10
1
0.1
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-110
0.01
100
RL = 32
f = 1kHz
VIN = 200mVP-P
RIGHT TO LEFT
LEFT TO RIGHT
OUTPUT POWER vs. CHARGE-PUMP
CAPACITANCE (HEADPHONE MODE)
MAX9756
toc27
LOAD (
)
OUTPUT
POWER
(mW)
30
25
20
15
35
40
45
40
30
50
60
70
80
90
100
120
110
130
140
150
20
10
50
C1 = C2 = 1
F
C1 = C2 = 2.2
F
f = 1kHz
THD+N = 1%
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9757ETJ+ 功能描述:音頻放大器 Integrated Circuits (ICs) 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
MAX9757ETJ+T 功能描述:音頻放大器 Integrated Circuits (ICs) 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
MAX9758ETJ+ 功能描述:音頻放大器 Integrated Circuits (ICs) 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
MAX9758ETJ+T 功能描述:音頻放大器 Integrated Circuits (ICs) 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
MAX9759ETE+ 功能描述:音頻放大器 3.2W Low-EMI Class D Amplifier 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