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參數(shù)資料
| 型號(hào)： | CXA1946AR |
| 廠商： | Sony Corporation |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C |
| 中文描述： | 電可擦除可編程邏輯器件 |
| 文件頁數(shù)： | 22/23頁 |
| 文件大?。?/td> | 365K |
| 代理商： | CXA1946AR |
– 22 –
CXA1946BQ/BR
Connections and Characteristics of Each Block
In the Application Circuit, the signal path goes from the input selector to the volume (+loudness) to the tone
control to the fader. The sequence of the blocks in the signal path can be changed because the I/O pins for
each block are independent of each other. For example, it is possible to switch the sequence of the volume
circuit and the tone control so that the signal path goes from the input selector to the tone control to the volume
(+loudness) to the fader. When this connection method is used, the noise voltage in the fader output can be
reduced in actual use because the noise and signal up to the tone control are attenuated by the volume.
However, because the maximum output amplitude of the tone control circuit is limited by the supply voltage,
care should be given to the setting of the input signal level.
Although blocks in the Application Circuit are linked either by coupling capacitors or by direct connection, it is
also possible to insert external circuits between blocks. In this case, the gain will change according to the input
impedance of the following block and the impedance of the external circuit. In addition, the input impedance of
each block can vary by ±20% due to the characteristics of the IC. Consequently, the overall gain also varies.
Give careful consideration to the effects of this variation when setting the constants. The step widths (control
characteristics) of the volume, tone control, and fader are not affected.
Timing Chart
t
1
t
ck
t
su
t
h
t
2
t
L
t
ce
CE
CLK
DATA
CE
t
1
≥
0.5μs
t
2
≥
0.5μs
t
ck
≥
1.0μs
t
su
≥
0.5μs
t
h
≥
0.5μs
t
L
≥
t
T
+ 0.5μs
(t
T
is the maximum value for the timer operation time)
t
ce
≥
4.0μs
D1
D2
D30
D31
D32
Invalid
Timer Waiting Period Setting Chart
(Vcc = 6 to 12V, operating temperature = –35 to +85°C)
TIMER pin
capacitance C
Waiting peroid
Min.
Typ.
Max.
C = 100pF
C = 0.001μF
C = 0.01μF
C = 0.1μF
C = 1μF
C = 10μF
3μs
30μs
300μs
3ms
30ms
300ms
5μs
50μs
500μs
5ms
50ms
500ms
9μs
90μs
900μs
9ms
90ms
900ms
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CXA1946BQ | Electronic Volume |
| CXA1946BR | Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C |
| CXA1946CR | Electronic Volume |
| CXA1951AQ | Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C |
| CXA1951Q | Low Power 5V RS232 Dual Driver/Receiver with 0.1?μF Capacitors; Package: SO; No of Pins: 16; Temperature Range: -40?°C to 85?°C |
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| CXA20 | 制造商:ARTESYN 制造商全稱:Artesyn Technologies 功能描述:20W DC/DC Converters |
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| CXA2000Q | 制造商:SONY 制造商全稱:Sony Corporation 功能描述:Y/C/RGB/D for PAL/NTSC Color TVs |
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