|
|
PDF CXA1797 Data sheet ( Hoja de datos )
| Número de pieza | CXA1797 | |
| Descripción | Dolby B-C Type Noise Reduction System with Recording Equalizer Amplifier | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de CXA1797 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
|
No Preview Available !
CXA1797Q
Dolby B-C Type Noise Reduction System with Recording Equalizer Amplifier
Description
The CXA1797Q is an audio signal processing LSI
designed for use in cassette decks.
Functions include Dolby B-C noise reduction,
recording equalizer amplifier, meter circuit
(logarithmic), bias control circuit, and playback
switching circuit. Serial control of these functions is
possible.
64 pin QFP (Plastic)
Features
• Few external parts
• Serial control of each functions possible
• Dolby B-C noise reduction
• Dolby S noise reduction select switch
• Recording equalizer amplifier
• Recording volume control
• Playback input select switch
• Meter circuit (logarithmic wave detection)
• Bias control circuit (left and right independent)
Applications
Cassette decks
Absolute Maximum Ratings (Ta=25°C)
• Supply voltage
VCC +12
V
(between VCC and VEE)
• Operating temperature Topr –20 to +75 °C
• Storage temperature Tstg –65 to +150 °C
• Allowable power dissipation
PD 1.02 W
Recommended Operating Conditions
Supply voltage
VCC ±5.25 to ±6.0 V
Structure
Bipolar silicon monolithic IC
∗This IC is available only to the licensees of Dolby Laboratories Licensing Corporation from whom licensing and applications
information may be obtained.
∗"Dolby" and the double D symbols are trade marks of Dolby Laboratories Licensing Corporation.
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
—1—
E94X42-TE
1 page  
Pin Typical pin voltage
Symbol
I/O Z (in)
No. DC AC
5 DOLBY TCL1 VEE
———
47 DOLBY TCL2 +0.9V
CXA1797Q
Equivalent circuit
VCC
Description
Time constant for
the LLS
147
VEE
VCC
6 LINE OUT1
46 LINE OUT2
–1dBv
0.0V
O
(0dBm)
—
VEE
VCC
7 DOLBY OUT1
45 DOLBY OUT2
–7dBv
0.0V
O
(–6dBm)
—
VEE
8k 147
Line output
12k
147
Dolby S NR output
8 DOLBY S IN1
44 DOLBY S IN2
–7dBv
0.0V
O 23.5kΩ
(–6dBm)
147
VCT
—5—
VCC
Dolby S NR input
VEE
5 Page 
Pin Typical pin voltage
Symbol
I/O Z (in)
No. DC AC
55 PB IN B2
56 PB IN A2
60 PB IN A1
61 PB IN B1
0.0V –21dBv I 50kΩ
CXA1797Q
Equivalent circuit
VCC
Description
147
VCT
Head select input
of playback
equalizer amplifier
VEE
VCC
57 REC IREF
VEE+
———
1.25V
VEE
58 GND
0V — — —
VEE+
59 DOLBY IREF
———
1.25V
147
—11—
Reference current
of recording
147 equalizer amplifier
VCC
Ground (center
capacitance when
using a single
power supply)
VEE
VCC
VEE+1.25V Reference current
VEE
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet CXA1797.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| CXA1791 | RF AMPLIFIER FOR CD PLAYERS | Sony Corporation |
| CXA1791M | RF AMPLIFIER FOR CD PLAYERS | Sony Corporation |
| CXA1791N | RF AMPLIFIER FOR CD PLAYERS | Sony Corporation |
| CXA1792 | 2-CHANNEL/ 5-ELEMENT GRAPHIC EQUALIZER IC | Sony Corporation |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |