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參數(shù)資料
| 型號： | MAX7432EUD |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers 16-CDIP -55 to 125 |
| 中文描述： | CONTINUOUS TIME FILTER, BUTTERWORTH, LOWPASS, PDSO14 |
| 封裝： | 4.40 MM, MO-153AB-1, TSSOP-14 |
| 文件頁數(shù)： | 11/21頁 |
| 文件大?。?/td> | 444K |
| 代理商： | MAX7432EUD |
M
Standard Definition Video Reconstruction
Filters and Buffers
______________________________________________________________________________________
11
Applications Information
Maxim’s Single Pin Bus (MSPB)
Serial Interface
The MSPB interface uses three pulses of different
widths to represent commands and data bits. Figure 4
shows the set of pulses that the single pin interface
uses to communicate with the device. A combination of
the one pulse (t
1
), zero pulse (t
0
), transaction pulse (t
T
),
and prompt pulse (t
P
), writes to, reads back from, and
sends broadcast data to the devices on the bus.
Note:
The zero pulse and prompt pulse are the same.
Initialization pulses are significantly longer and are
used only on power-up or software reset.
Initializing the
MAX7428/MAX7430/MAX7432
Initialization is performed only after power-up or software
reset. It assigns a unique address to each device on the
bus. The time constant of the capacitor connected to
R
EXT
in parallel with the 300k
resistor determines the
order in which the devices are initialized (address
assigned). The device with the largest time constant is
initialized first and so on, in descending order. Table 7
shows the
“
Initialize Wait
”
and
“
Initialize Time
”
pulse
widths needed for a specific capacitor value and toler-
ance. Program each device on the bus with this com-
mand sequence starting with the device with the biggest
capacitor. To reinitialize a device, cycle the power or use
a software reset. The following is the command
sequence and timing diagram (Figure 5) for initialization
as shown below. Chip ID is entered LSB first.
Note:
If there is only one device on the bus, no initial-
ization is needed. Communicate to the device using the
broadcast command described on page 13.
(MSB)
NAME
—
ABSEL3
BYPASS3
CLEVEL3
BOOST1(3)
BOOST0(3)
OUT
DISABLE3
—
DEFAULT
0
1
1
0
0
0
0
0
NAME
—
ABSEL2
BYPASS2
CLEVEL2
BOOST1(2)
BOOST0(2)
OUT
DISABLE2
—
DEFAULT
0
1
1
0
0
0
0
0
NAME
—
ABSEL1
BYPASS1
CLEVEL1
BOOST1(1)
BOOST0(1)
OUT
DISABLE1
—
DEFAULT
0
1
1
0
0
0
0
0
FIRST BIT
(LSB)
Table 5. MAX7432 Control Register
BOOST1_
BOOST0_
RELATIVE HIGH-
FREQUENCY BOOST
0
0
1
1
0
1
0
1
0
0.45dB
0.90dB
1.35dB
Table 6. Boost Level Programming
ZERO/PROMPT
PULSE
t
P
= t
0
= 5
μ
s
t
1
= 30
μ
s
t
0
ONE PULSE
TRANSACTION
PULSE
t
1
t
T
= 100
μ
s
t
T
Figure 4. MSPB Interface Pulses
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX7432EUD/GG8 | 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
| MAX7432EUD+ | 功能描述:視頻 IC Standard Def Video Reconstruction Filtr RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX7432EUD+T | 功能描述:視頻 IC Standard Def Video Reconstruction Filtr RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| MAX7432EUD-T | 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
| MAX7432EVC16 | 功能描述:有源濾波器 Programmers, Development Systems RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
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