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參數(shù)資料
| 型號： | MAX4586 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Serially Controlled, 4-Channel Audio/Video Multiplexers |
| 中文描述： | 串行控制、4通道音頻/視頻多路復用器 |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 135K |
| 代理商： | MAX4586 |
M
Detailed Description
The MAX4586/MAX4587 are serial-interface, programma-
ble multiplexers. Each device contains a 4-to-1 normally
open (NO) multiplexer. Each switch is independently con-
trolled through the on-chip serial interface. The MAX4586
uses a 2-wire, I
2
C-compatible serial communications
protocol, and the MAX4587 uses a 3-wire, SPI/QSPI/
MICROWIRE-compatible serial communications protocol.
These devices operate from a single +2.7V to +5.5V
supply and are optimized for use with an audio fre-
quency at 20kHz and video frequencies up to 10MHz.
They feature 65
on-resistance, 4
on-resistance
matching between channels, and 5
on-resistance flat-
ness. Audio off-isolation is -83dB at 20kHz and
crosstalk is at least -84dB at 20kHz, while video off-iso-
lation is -48dB at 10MHz and crosstalk is at least -60dB
at 10MHz.
Applications Information
Multiplexer Control
The MAX4586/MAX4587 have a common command-bit
structure; the only difference between them is the inter-
face type (2-wire or 3-wire, respectively).
The command controls the open/closed states of the
various switches. Table 1 shows the configuration of
the data bits and their related switches. After a com-
mand is issued, a logic “1” in any data-bit location clos-
es the associated switch, while a logic “0” opens it
(Table 2).
2-Wire Serial Interface
The MAX4586 uses a 2-wire, I
2
C-compatible serial
interface. The COM_ register uses the “SendByte” pro-
tocol that consists of an address byte followed by a
command byte (Table 1).
To address a given chip, the A bit in the address byte
must duplicate the value present at the A pin of that chip.
The rest of the address bits must match those shown in
Table 3. The command byte details are described in the
Switch Controlsection.
The 2-wire serial interface requires only two I/O lines of
a standard microprocessor (μP) port. Figures 1 and 2
detail the timing diagram for signals on the 2-wire bus,
and Tables 1 and 3 detail the format of the signals. The
MAX4586 is a receive-only device and must be con-
trolled by the bus master device. A bus master device
communicates by transmitting the address byte of the
slave device over the bus and then transmitting the
desired information. Each transmission consists of a
start condition, an address byte, a command byte, and
finally a stop condition. The slave device acknowledges
the recognition of its address by pulling the SDA line
low for one clock period after the address byte is trans-
mitted. The slave device also issues a similar acknowl-
edgment after the command byte.
Serially Controlled, 4-Channel
Audio/Video Multiplexers
8
_______________________________________________________________________________________
Pin Description
9
8
9
10
7
7
8
—
6
5
6
4
5
4
—
3
—
2
—
1
NO3
NO4
NO2
GND
SCLK
NO1
V+
SCL
COM
A
1
2
SDA
DIN
3
—
CS
—
Mux Normally Open Output 3
Mux Normally Open Output 4
Mux Normally Open Output 2
Ground
Clock Input of the 3-Wire Serial Interface
Mux Normally Open Output 1
Supply Voltage
Clock Input of the 2-Wire Serial Interface
Analog Switch Common Terminal
LSB + 2 of the 2-Wire Serial-Interface Address Field
Data Input of 2-Wire Serial Interface
Data Input of 3-Wire Serial Interface
Chip Select of the 3-Wire Serial Interface
10
MAX4587
MAX4586
PIN
NAME
FUNCTION
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PDF描述 |
|---|---|
| MAX4586EUB | Serially Controlled, 4-Channel Audio/Video Multiplexers |
| MAX4587EUB | 16/32-Bit RISC Flash Microcontroller 144-LQFP |
| MAX4588 | Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer |
| MAX4588CWI | Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer |
| MAX4588CAI | 16/32-Bit RISC Flash Microcontroller 144-LQFP |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4586EUB | 功能描述:多路器開關 IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX4586EUB+ | 功能描述:視頻開關 IC SPST/SPDT A/V Switch RoHS:否 制造商:Texas Instruments 開關數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
| MAX4586EUB+T | 功能描述:視頻開關 IC SPST/SPDT A/V Switch RoHS:否 制造商:Texas Instruments 開關數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
| MAX4586EUB-T | 功能描述:多路器開關 IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX4587EUB | 功能描述:多路器開關 IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16 |
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