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參數(shù)資料
| 型號(hào)： | MAX498 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | High-Output RS-485 Transceiver 8-PDIP -40 to 85 |
| 中文描述： | 四路-三路、SPDT、RGB開(kāi)關(guān)，帶有250MHz視頻緩沖放大器 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 155K |
| 代理商： | MAX498 |
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_______________General Desc ription
The MAX498/MAX499 are high-speed, quad/triple, sin-
gle-pole/double-throw video switches with on-board
closed-loop buffer amplifiers. The buffer amplifiers fea-
ture +6dB gain (A
VCL
= 2V/V), 250MHz -3dB band-
width, 70MHz 0.1dB gain flatness, and 1250V/
μ
s slew
rate. Fast switching time (3ns) and fast settling time
(12ns for a 4V step) make these devices excellent
choices for a wide variety of video applications. The low
differential gain/phase errors (0.03%/0.06°) and wide
bandwidth make them ideal for both composite-video
and RGB applications. The amplifiers are capable of
delivering ±2.5V into back-terminated 50
or 75
cables, and they deliver ±2V to a 75
load, allowing
multiple cables to be driven from a single output.
For implementation of large switch arrays, a low-power
disable mode places the amplifier outputs in a high-
impedance state. Channel selection and output
enable/disable are controlled by four TTL/CMOS-
compatible logic inputs. Each video input is isolated by
an AC-ground pin, which minimizes channel-to-channel
capacitance and reduces crosstalk to 90dB at 10MHz.
The four-channel MAX498 dissipates 390mW (typical)
from ±5VDC power supplies with all output buffers
enabled. Power consumption is reduced to 130mW with
all buffers disabled. The corresponding dissipation for
the three-channel MAX499 is 300mW enabled and
100mW disabled.
________________________Applic ations
Video Switching and Routing
Broadcast-Quality Composite-Video Multiplexing
Workstations
Video Editing
Broadcast and High-Definition TV Systems
Multimedia Products
Medical Imaging
____________________________Features
o
High Speed:
250MHz Small-Signal -3dB Bandwidth
135MHz Full-Power -3dB Bandwidth
o
70MHz 0.1dB Gain Flatness
o
1250V/μs Slew Rate
o
12ns to 0.1% Settling Time
o
0.03°/0.06% Differential Phase/Gain Error
o
2pF Input Capacitance
o
3ns Channel-Switching Time
o
120mVp-p Channel-Switching Transient
o
Three-State Output Allows Large Switch Arrays
o
Directly Drives 50
or 75
Back-Terminated
Cables
M
Quad/Triple, S PDT, RGB S witc hes
with 250MHz Video Buffer Amplifiers
________________________________________________________________ Maxim Integrated Products
1
_________________Pin Configurations
19-1143; Rev 0; 10/96
PART
MAX498
CWI
MAX499
CWG
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
28 SO
24 SO
______________Ordering Information
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
24
23
22
21
20
19
18
17
1
2
3
4
5
6
7
8
GND
LE
EN
A0
GND
IN2A
GND
IN1A
TOP VIEW
CS
OUT1
V
CC
V
EE
IN1B
V
EE
V
CC
IN3A
16
15
14
13
9
10
11
12
OUT2
N.C.
OUT3
N.C.
IN3B
GND
IN2B
GND
SO
MAX499
MAX498 appears at end of data sheet.
EVALUATION KIT
AVAILABLE
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX499CWG | Quad/Triple, SPDT, RGB Switches with 250MHz Video Buffer Amplifiers |
| MAX500BEJE | CMOS, Quad, Serial-Interface 8-Bit DAC |
| MAX500AEJE | Circular Connector; No. of Contacts:128; Series:MS27466; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No |
| MAX500AEWE | Circular Connector; No. of Contacts:22; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:13; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:13-35 RoHS Compliant: No |
| MAX500BMLP | CMOS, Quad, Serial-Interface 8-Bit DAC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4980ETA+T | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 Overvoltage-Protect Controller RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| MAX4981ETA+ | 制造商:Maxim Integrated Products 功能描述:OVERVOLTAGE PROTECTOR WITH ACTIVE C - Rail/Tube |
| MAX4981ETA+T | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 Overvoltage-Protect Controller RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| MAX4983EEVB+ | 功能描述:IC USB SWITCH DPDT 10UTQFN RoHS:是 類(lèi)別:集成電路 (IC) >> 接口 - 模擬開(kāi)關(guān)，多路復(fù)用器，多路分解器 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 功能:- 電路:2 x SPST 導(dǎo)通狀態(tài)電阻:20 歐姆 電壓電源:單電源 電壓 - 電源，單路/雙路(±):3 V ~ 5.5 V 電流 - 電源:4.1mA 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:10-TDFN-EP（3x3） 包裝:帶卷 (TR) |
| MAX4983EEVB+T | 功能描述:交換機(jī) IC 開(kāi)發(fā)工具 High-Speed USB 2.0 Switch RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類(lèi)型:USB Power Switches 工具用于評(píng)估:MAX4984E 工作電源電壓:2.8 V to 5.5 V |
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