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參數資料
| 型號： | MAX4570EAI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | Serially Controlled, Dual 4x2, Clickless Audio/Video Analog Crosspoint Switches |
| 中文描述： | DUAL 4-CHANNEL, CROSS POINT SWITCH, PDSO28 |
| 封裝： | SSOP-28 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 170K |
| 代理商： | MAX4570EAI |
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
General Desc ription
The MAX4550/MAX4570 serial-interface, programma-
ble, dual 4x2 audio/video crosspoint switches are ideal
for multimedia applications. Each device contains two
identical crosspoint switch arrays, each with four inputs
and two outputs. To improve off-isolation, use the addi-
tional crosspoint inputs SA and SB as shunts. Each out-
put is selectively programmable for clickless or regular
mode operation. A set of internal resistive voltage-
dividers supplies DC bias for each output when using
AC-coupled inputs. Additionally, four auxiliary outputs
control additional circuitry via the MAX4550/MAX4570’s
2-wire or 3-wire interface.
The MAX4550/MAX4570 feature 80
on-resistance, 10
on-resistance matching between channels, 5
on-
resistance flatness, and 0.014% total harmonic distor-
tion. Additionally, they feature off-isolation of at least
-110dB in the audio frequency range and -78dB at
4MHz, with -95dB crosstalk in the audio frequency
range and -54dB at 4MHz. The MAX4550 uses a 2-wire
I
2
C-compatible serial interface, while the MAX4570
uses a 3-wire SPI/QSPI or MICROWIRE-compati-
ble serial interface. These parts are available in 28-pin
SSOP and wide SO packages and are tested over
either the commercial (0°C to +70°C) or extended
(-40°C to +85°C) operating temperature range.
Applic ations
Set-Top Boxes
PC Multimedia Boards
High-End Audio Systems
Video Conferencing Systems
Features
o
Selectable Soft Switching Mode for Clickless
Audio Operation
o
43
Typical On-Resistance (±5V Supplies)
o
5
Typical On-Resistance Matching Between
Channels
o
4
Typical On-Resistance Flatness
o
0.014% Total Harmonic Distortion with 1k
Load
o
-110dB Off-Isolation at 20kHz
-78dB Off-Isolation at 4MHz
o
-95dB Crosstalk at 20kHz
-54dB Crosstalk at 4MHz
o
Serial Interface
2-Wire, Fast-Mode, I
2
C-Compatible (MAX4550)
3-Wire, SPI/QSPI/MICROWIRE-Compatible
(MAX4570)
o
Four Auxiliary Outputs that Extend μP Ports
o
Single-Supply Operation: +2.7V to +5.5V
Dual-Supply Operation: ±2.7V to ±5.5V
M
S erially Controlled, Dual 4x2, Clic kless
Audio/Video Analog Crosspoint S witc hes
________________________________________________________________ Maxim Integrated Products
1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
SA
NO2B
NO2A
V-
V+
NO1B
SDA (DIN)
NO1A
GND
COM1A
Q3
COM1B
Q2
A1 (DOUT)
SCL (SCLK)
A0 (CS)
Q1
COM2B
( ) ARE FOR MAX4570.
Q0
COM2A
V+
NO4B
NO4A
BIASL
BIASH
NO3B
NO3A
SB
SO/SSOP
TOP VIEW
MAX4550
MAX4570
19-1397; Rev 0; 10/98
EVALUATION KIT
AVAILABLE
PART
MAX4550
CAI
MAX4550CWI
MAX4550EAI
MAX4550EWI
MAX4570
CAI
MAX4570CWI
MAX4570EAI
MAX4570EWI
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
28 SSOP
28 Wide SO
28 SSOP
28 Wide SO
28 SSOP
28 Wide SO
28 SSOP
28 Wide SO
Functional Diagram appears at end of data sheet.
Pin Configuration
Ordering Information
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
I
2
C is a trademark of Philips Corp.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
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相關代理商/技術參數 |
參數描述 |
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| MAX4570EAI+ | 功能描述:視頻開關 IC 4x2 Clickless A/V Crosspoint Switch RoHS:否 制造商:Texas Instruments 開關數量: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 |
| MAX4570EAI+T | 功能描述:視頻開關 IC 4x2 Clickless A/V Crosspoint Switch RoHS:否 制造商:Texas Instruments 開關數量: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 |
| MAX4570EAI-T | 功能描述:視頻開關 IC RoHS:否 制造商:Texas Instruments 開關數量: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 |
| MAX4570EEI | 功能描述:視頻開關 IC RoHS:否 制造商:Texas Instruments 開關數量: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 |
| MAX4570EWI | 功能描述:視頻開關 IC RoHS:否 制造商:Texas Instruments 開關數量: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 |
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