參數(shù)資料
型號(hào)： LC75348M
廠商： SANYO SEMICONDUCTOR CO LTD
元件分類(lèi)： 音頻控制
英文描述： 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO30
封裝： MFP-30
文件頁(yè)數(shù)： 10/21頁(yè)
文件大?。?/td> 214K
代理商： LC75348M
Zero cross timer setting
If the input signal is lower than the zero cross comparator detection sensitivity, or if a low-frequency signal is input, the
state in which the circuit cannot detect a zero cross may continue and the input data will not be latched during that
period.
The zero cross timer sets a time for the data to be latched forcibly in states such as this where a zero cross cannot be
detected.
For example, to set a 25 ms time:
T = 0.69 CR
Assume C = 0.068 F. The R will be:
25
× 10–3
R = —————————
≈ 530 k
0.69
× 0.068 × 10–6
Normally, a time in the range 10 to 50 ms is used.
Notes on serial data transfer
(1) Cover the CL, DI, and CE signal lines with the ground pattern or use shielded lines to prevent the high-frequency
digital signals carried by these lines from entering the analog signal system.
(2) The LC75348 and LC75348M data format consists of 8 bits of address and 32 bits of data. When transmitting data
as an even multiple of 8 bits (when transferring 36 bits of data), use the data format shown below.
LC75348 and LC75348M Data Reception in Multiples of 8 Bits
No. 7308 -18/21
LC75348, 75348M
D31
D30
D29
D28
D27
D26
D25
D24
D3
D2
D1
D0
X
Test mode control
X: don’t care
Input switching control
Dummy data
相關(guān)PDF資料
PDF描述
LC75348 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP30
LC75348M 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO30
LC75348 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP30
LC7535M 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO30
LC7535P 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDIP22
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LC75348M-TLM-E 功能描述:音頻 DSP RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
LC7534M 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:3V-Operated Electronic Volume Control
LC7535 制造商:Panasonic Industrial Company 功能描述:IC
LC7535M 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:Electronic Volume/Loudness Control with Serial Data Control and High Voltage-Handling Capacity
LC7535P 制造商:SANYO 制造商全稱(chēng):Sanyo Semicon Device 功能描述:High-voltage, Two-channel Electronic Attenuator
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