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PDF EUA6412 Data sheet ( Hoja de datos )
| Número de pieza | EUA6412 | |
| Descripción | Audio Power Amplifier | |
| Fabricantes | Eutech Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de EUA6412 (archivo pdf) en la parte inferior de esta página. Total 18 Páginas | ||
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EUA6412
2.6-W Stereo Audio Power Amplifier
with Four Selectable Gain Settings
DESCRIPTOIN
The EUA6412 is a stereo audio power amplifier. When
driving 1 W into 8–Ω speakers, the EUA6412 has less than
0.8% THD+N across its specified frequency range. Included
within this device is integrated depop circuitry that virtually
eliminates transients that cause noise in the speakers.
Amplifier gain is internally configured and controlled by way
of two terminals (GAIN0 and GAIN1). BTL gain settings of 6
dB, 10 dB, 15.6 dB, and 21.6 dB are provided, while SE
gain is always configured as 4.1 dB for headphone drive. An
internal input MUX allows two sets of stereo inputs to the
amplifier .The HP/LINE terminal allows the user to select
which MUX input is active, regardless of whether the
amplifier is in SE or BTL mode. In notebook applications,
where internal speakers are driven as BTL and the line outputs
(often headphone drive) are required to be SE, the EUA6412
automatically switches into SE mode when the SE/BTL input
is activated, and this reduces the gain to 4.1 dB.
The EUA6412 consumes only 5.2mA of supply current during
normal operation.
Block Diagram
FEATURES
z 2.6W per Channel Output Power Into 3-Ω Load
z Internal Gain Control, Which Eliminates
External Gain-Setting Components
z Input MUX Select Terminal
z PC-Beep Input
z Depop Circuitry Integrated
z Two Input Modes Allowable with Single-Ended or
Fully Differential Input
z Low Supply Current and Shutdown Current
z Thermal Shutdown Protection
z TSSOP-24 with Thermal Pad
z RoHS Compliant and 100% Lead (Pb)-Free
APPLICATIONS
z Notebook Computers
z Multimedia Monitors
z Digital Radios and Portable TVs
DS6412 Ver 1.0 Dec. 2006
www.DataSheet.in
1
1 page  
Absolute Maximum Ratings
EUA6412
Supply voltage, VDD------------------------------------------------------------------------------------------------ 6V
Input voltage, VI------------------------------------------------------------------------------ –0.3 V to VDD +0.3 V
Operating free-air temperature range, TA--------------------------------------------------------- –40 C to 85 C
Operating junction temperature range, TJ ------------------------------------------------------ - –40 C to 150 C
Storage temperature range, Tstg------------------------------------------------------------------ -- –65 C to 150 C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds----------------------------------------- 260 C
Thermal Resistance
θJA (TSSOP) ----------------------------------------------------------------------------------------------- 87.9°C/W
Recommended Operating Conditions
Supply voltage, VDD
High-level input voltage, VIH
Low-level input voltage, VIL
Operating free-air temperature, TA
SE/BTL
SHUTDOWN
SE/BTL
SHUTDOWN
Min Max Unit
4.5 5.5 V
4
V
2
3
V
0.8
-40 85 °C
Electrical Characteristics at Specified Free-air Temperature, VDD = 5V, TA = 25°C
Symbol
Parameter
VOO
PSRR
Output offset voltage
(measured differentially)
Power supply rejection ratio
Conditions
VI =0V, AV =2 V/V
VDD= 4 V to 5 V
EUA6412
Min. Typ. Max.
30
70
IIH High-level input current
VDD=5.5 V, VI = VDD
1
IIL Low-level input current
VDD=5.5 V, VI = 0V
1
IDD Supply current
BTL mode
SE mode
5.2 10
35
Unit
mV
dB
µA
µA
mA
IDD(SD) Supply current, shutdown mode
150 300 µA
DS6412 Ver 1.0 Dec. 2006
www.DataSheet.in
5
5 Page 
EUA6412
Figure 27
Figure 28
Figure 29
Figure 30
Figure 31
DS6412 Ver 1.0 Dec. 2006
www.DataSheet.in
11
Figure 32
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet EUA6412.PDF ] | |
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