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PDF MS6544 Data sheet ( Hoja de datos )
| Número de pieza | MS6544 | |
| Descripción | (MS6541 / MS6544) Stereo Headphone Driver | |
| Fabricantes | Mosa Electronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MS6544 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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MOSA
MS6544/6541
Class AB Stereo Headphone Driver with Mute
Stereo Headphone Driver, 0dB / 6dB Gain
Low Voltage, Internal Mute Function
No Popping Noise When Power On / Off
FEATURES
‧Low supply voltage 2.7 to 5.5V
‧Internal mute function
‧No popping noise
‧Fixed gain of 6 dB for MS6544
Fixed gain of 0 dB for MS6541
‧High SNR , Slew rate
‧Low distortion
‧Excellent power supply ripple rejection
‧Low power consumption
‧Large output voltage swing
APPLICATIONS
‧MP3, PDA
‧Portable Digital Audio.
‧CD-ROM, DVD-ROM, CD-RW, DVD-RW
‧Cross-reference :
6dB: BH3544F, NJM2169
0dB: BH3541F, NJM2168
DESCRIPTION
The MS6544 is an integrated class AB stereo headphone
driver contained in an SO8 package. The MS6544 has
fixed gain of 6dB and the MS6541 has fixed gain of
0dB. The mute function to prevent popping sounds when
the power is turned on and off. It has good performance
at low voltage operation, the MS6544/41 ideally suited
for use in portable digital audio equipment.
BLOCK DIAGRAM
OutA 1
MUTE 2
6dB
(0dB)
MUTE
INA 3
VSS 4
90k
(180k)
6dB
(0dB)
8 VDD
7 OutB
BIAS
90k
(180k)
6 BIAS
5 INB
PIN CONFIGURATION
Symbol
OutA
Mute
INA
VSS
INB
BIAS
OutB
VDD
Pin
1
2
3
4
5
6
7
8
Description
Output A
Mute control
(Low: mute on, High: mute off)
Input A
Negative supply
Input B
Bias (connect CAP)
Output B
Positive supply
REV 1
1
OUTA 1
MUTE 2
INA 3
VSS 4
MS6544
MS6541
8 VDD
7 OUTB
6 BIAS
5 INB
www.mosanalog.com.tw
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MOSA
TYPICAL PERFORMANCE CHARACTERISTICS
(Ta=25 , RL=32Ω; unless otherwise specified)
MS6544/6541
Class AB Stereo Headphone Driver with Mute
f=20kHz
f=1kHz
VDD=5V
f=20Hz
OUTPUT VOLTAGE (dBV)
THD+N vs. output voltage
f=20kHz
f=1kHz
VDD=3.3V
f=20Hz
OUTPUT VOLTAGE (dBV)
THD+N vs. output voltage
f=20kHz
f=1kHz
VDD=2.7V
f=20Hz
OUTPUT VOLTAGE (dBV)
THD+N vs. output voltage
VDD=5V
VIN=0dBV
VDD=3.3V
VIN=0dBV
VDD=2.7V
VIN=-3dBV
FREQUENCY (Hz)
Channel separation vs. frequency
VDD=5V
VIN=0dBV
VDD=3.3V
VIN=-0dBV
VDD=2.7V
VIN=-3dBV
FREQUENCY (Hz)
Mute Attenuation vs. frequency
VDD=2.7V
VDD=5V
VDD=3V
VRR=-20dBV
Bias C=47uF
FREQUENCY (Hz)
PSRR vs. frequency
Mute Off
Mute On
SUPPLY VOLTAGE (V)
Quiescent current vs. supply voltage
REV 1
5
www.mosanalog.com.tw
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MS6544.PDF ] | |
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