參數(shù)資料
型號： MAX9750BETI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 音頻控制
英文描述： 2.6W Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers
中文描述： VOLUME CONTROL CIRCUIT, QCC28
封裝： 5 X 5 MM, 0.80 MM HEIGHT, TQFN-28
文件頁數(shù)： 4/31頁
文件大?。?/td> 673K
代理商： MAX9750BETI
M
2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= PV
DD
= CPV
DD
= HPV
DD
= 5V, GND = PGND = CPGND = 0V,
SHDN
= V
DD
, C
BIAS
= 1μF, C1 = C2 = 1μF, speaker load ter-
minated between OUT_+ and OUT_-, headphone load terminated between HPOUT_ and GND, MAX9750: GAIN1 = GAIN2 = VOL =
R
L
= 33k
= GND, MAX9751/MAX9755: GAIN = V
DD
= IN1/
2
= GND, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are
at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
HEADPHONE AMPLIFIER (HPS = V
DD
)
Output Offset Voltage
V
OS
T
A
= +25
°
C
HPV
DD
= 3V to 5.5V, T
A
= +25
°
C
f = 1kHz, V
RIPPLE
= 200mV
P-P
f = 10kHz, V
RIPPLE
= 200mV
P-P
THD+N = 1%,
f = 1kHz,
T
A
= +25
°
C
R
L
= 32
, P
OUT
= 20mW, f = 1kHz
R
L
= 16
, P
OUT
= 75mW, f = 1kHz
R
L
= 32
, P
OUT
= 50mW,
BW = 22Hz to 22kHz
±
2
75
73
63
50
±
7
mV
70
Power-Supply Rejection Ratio
(Note 3)
PSRR
dB
R
L
= 32
40
Output Power
P
OUT
R
L
= 16
110
mW
0.007
0.03
Total Harmonic Distortion Plus
Noise
THD+N
%
Signal-to-Noise Ratio
SNR
95
dB
Noise
Capacitive-Load Drive
V
n
C
L
BW = 22Hz to 22kHz
No sustained oscillations
L to R, R to L, f = 10kHz
Any unselected input to any active input,
f = 10kHz (MAX9751)
12
200
88
μV
RMS
pF
Crosstalk
88
dB
Slew Rate
ESD
SR
ESD
0.4
±8
0
3
V/μs
kV
IEC air discharge
GAIN2 = GAIN = 1, GAIN1 = X
GAIN2 = GAIN = 0, GAIN1 = X
Gain
A
V
dB
CHARGE PUMP
Charge-Pump Frequency
VOLUME CONTROL (MAX9750_)
VOL Input Impedance
VOL Input Hysteresis
f
OSC
500
550
600
kHz
R
VOL
100
10
M
mV
Full Mute Input Voltage
(Note 4)
0.858 x
HPV
DD
V
Channel Matching
A
V
= -25dB to +13.5dB
±
0.2
dB
BEEP INPUT (MAX9750_)
Beep Signal Minimum Amplitude
Beep Signal Minimum Frequency
V
BEEP
f
BEEP
0.8
200
V
P-P
Hz
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9750BETI+ 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
MAX9750BETI+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
MAX9750BETI-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
MAX9750BEUI 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX9750CETI+ 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
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