|
|
PDF CXA1946 Data sheet ( Hoja de datos )
| Número de pieza | CXA1946 | |
| Descripción | Electronic Volume | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de CXA1946 (archivo pdf) en la parte inferior de esta página. Total 24 Páginas | ||
|
No Preview Available !
CXA1946AQ/AR
Electronic Volume
For the availability of this product, please contact the sales office.
Description
The CXA1946AQ/AR is a serial control electronic
volume IC designed for use in audio systems.
48 pin QFP (Plastic) 48 pin LQFP (Plastic)
Features
• Loudness
• Volume control (0dB to –87dB in 1dB step, –∞dB)
• Balance
• Tone control (15 steps, 2 bands, –16dB to +16dB)
• Fader
(2dB-step to –20dB, –25dB, –35dB, –45dB, –60dB, –∞dB)
• Input selector (4 channels)
• Gain can be set for each input channel (common for channels 3 and 4)
• Serial data control (DATA, CLK, CE)
• Single 8V power supply
• Zero-cross detection circuit (with timer)
• Power-off mute
• Volume control and tone control input/output pins are separate.
Absolute Maximum Ratings
• Supply voltage
• Operating temperature
• Storage temperature
• Allowable power dissipation
VCC
Topr
Tstg
PD
QFP
LQFP
13
–40 to +85
–65 to +150
350
180
V
°C
°C
mW (Ta = 85°C)
mW (Ta = 85°C)
Operating Conditions
Supply voltage
VCC
6 to 12
V
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–
E95602D7Y
1 page  
CXA1946AQ/AR
Pin
No.
Symbol
I/O resistance
Pin voltage
Equivalent circuit
VCC
Description
9 TCLC21
28 TCLC11
8kΩ
VCT
9
28
Sets tone low frequency.
GND
10 TCLC22
27 TCLC12
8kΩ
VCT
10
27
VCC
Sets tone low frequency.
GND
11 TCO2
26 TCO1
—
VCT
11
26
VCC
Tone control output
GND
12 FDIN2
25 FDIN1
24kΩ
VCT
12
25
VCC
Fader input
GND
–5–
5 Page 
CXA1946AQ/AR
• TONE BASS/TREBLE
Setting value D20/D24
14 1
12 1
10 1
81
60
40
20
00
D21/D25
1
1
0
0
1
1
0
0
D22/D26
1
0
1
0
1
0
1
0
• BOOST/CUT
Setting value D23/D27
BOOST
CUT
1
0
• FADER
Setting value D28 D29 D30 D31
–∞ 1 1 1 1
–60 1 1 1 0
–45 1 1 0 1
–35 1 1 0 0
–25 1 0 1 1
–20 1 0 1 0
–18 1 0 0 1
–16 1 0 0 0
–14 0 1 1 1
–12 0 1 1 0
–10 0 1 0 1
–8 0 1 0 0
–6 0 0 1 1
–4 0 0 1 0
–2 0 0 0 1
0 0000
• FADER SELECT
Setting value
Attenuation of front signal
Attenuation of rear signal
D32
1
0
• RESET
Reset is performed automatically when power is first supplied to the IC; there is no reset pin.
The following table shows the respective statuses of various settings after a reset has been performed.
However, from the time when power is first supplied until the first data transfer, keep CE high by pulling it up
to Vcc, etc.
MODE
Setting value
INPUT
VRC1
VRF1
VRC2
VRF2
LOUD
TONE BASS
TONE TREBLE
FADER
1
–∞
–7dB
–∞
–7dB
OFF
0dB
0dB
0dB, REAR
– 11 –
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet CXA1946.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| CXA1940N | 4ch. Read/Write Amplifier for Thin Film Head of Hard Disk Drive | Sony Corporation |
| CXA1946 | Electronic Volume | Sony Corporation |
| CXA1946 | Electronic Volume | Sony Corporation |
| CXA1946 | Electronic Volume | 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 |