參數(shù)資料
型號(hào)： MAX4570EAI+
廠商： Maxim Integrated Products
文件頁數(shù)： 1/16頁
文件大小： 0K
描述： IC CROSSPOINT SWITCH DUAL 28SSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 46
功能： 交叉點(diǎn)開關(guān)
電路： 2 x 4:2
導(dǎo)通狀態(tài)電阻： 80 歐姆
電壓電源： 雙電源
電壓 - 電源，單路/雙路(±)： ±2.7 V ~ 5.5 V
電流 - 電源： 7µA
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 28-SSOP
包裝： 管件
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 Description
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
I2C-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.
Applications
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, I2C-Compatible (MAX4550)
3-Wire, SPI/QSPI/MICROWIRE-Compatible
(MAX4570)
o Four Auxiliary Outputs that Extend P Ports
o Single-Supply Operation: +2.7V to +5.5V
Dual-Supply Operation: ±2.7V to ±5.5V
MAX4550/MAX4570
Serially Controlled, Dual 4x2, Clickless
Audio/Video Analog Crosspoint Switches
________________________________________________________________
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
PART
MAX4550CAI
MAX4550CWI
MAX4550EAI
-40°C to +85°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
28 SSOP
28 Wide SO
28 SSOP
EVALUATION
KIT
AVAILABLE
Functional Diagram appears at end of data sheet.
Pin Configuration
Ordering Information
MAX4550EWI
-40°C to +85°C
28 Wide SO
MAX4570CAI
MAX4570CWI
MAX4570EAI
-40°C to +85°C
0°C to +70°C
28 SSOP
28 Wide SO
28 SSOP
MAX4570EWI
-40°C to +85°C
28 Wide SO
I2C 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(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4570EAI+ 功能描述:視頻開關(guān) IC 4x2 Clickless A/V Crosspoint Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)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(guān) IC 4x2 Clickless A/V Crosspoint Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)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(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)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(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)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(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時(shí)間: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)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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