參數(shù)資料
型號： MAX4584
廠商： Maxim Integrated Products, Inc.
英文描述： Serially Controlled Audio/Video Switches
中文描述： 串行控制音頻/視頻開關
文件頁數(shù)： 8/12頁
文件大小： 135K
代理商： MAX4584
M
_______________Detailed Description
The MAX4584/MAX4585 are serial-interface, program-
mable switches. Each device contains one normally
open (NO) single-pole/single-throw (SPST) switch and
one single-pole/double-throw (SPDT) switch. The
switches are independently controlled through the on-
chip serial interface. The MAX4584 uses a 2-wire I
2
C-
compatible serial communications protocol; the
MAX4585 uses a 3-wire SPI/QSPI/MICROWIRE-com-
patible 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 of 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. Video off-isolation
is -48dB at 10MHz, and crosstalk is at least -60dB at
10MHz.
__________Applications Information
Switch Control
The MAX4584/MAX4585 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-
Serially Controlled
Audio/Video Switches
8
_______________________________________________________________________________________
Pin Description
SCL
SDA
t
LOW
t
HIGH
t
F
t
R
t
HD
,
STA
t
HD
,
DAT
t
HD
,
STA
t
SU
,
DAT
t
SU
,
STA
t
BUF
t
SU
,
STO
START CONDITION
STOP CONDITION
REPEATED START CONDITION
START CONDITION
20%
70%
20%
70%
20%
20%
70%
20%
70%
20%
70%
20%
70%
20%
70%
70%
70%
70%
70%
Figure 1. 2-Wire Serial-Interface Timing Diagram
Normally Open Terminal
NO1A
FUNCTION
10
10
PIN
NAME
MAX4584
1
MAX4585
1
—
2
—
3
4
LSB+2 of the 2-Wire Serial-Interface Address Field
Chip Select of the 3-Wire Serial Interface
Data Input of the 2-Wire Serial Interface
2
—
3
A
CS
SDA
Data Input of the 3-Wire Serial Interface
Supply Voltage
—
4
Clock Input of the 2-Wire Serial Interface
Clock Input of the 3-Wire Serial Interface
Normally Open SPST Terminal
Analog Switch SPST Common Terminal
Ground
Normally Open Terminal
DIN
V+
SCL
SCLK
NO2
COM2
GND
NO1B
Analog Switch SPDT Common Terminal
COM1
5
—
6
7
8
—
5
6
7
8
9
9
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相關代理商/技術參數(shù)
參數(shù)描述
MAX4584EUB 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
MAX4584EUB+ 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
MAX4584EUB+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
MAX4584EUB-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
MAX4585EUB 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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