Datasheet > MAX349-MAX350

MAX349-MAX350

更新时间： 2024-10-30 22:12:47

品牌	Logo	应用领域
美信 - MAXIM		复用器
页数	文件大小	规格书
20页	302K
描述
Serially Controlled, Low-Voltage, 8-Channel/Dual 4-Channel Multiplexers

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MAX349-MAX350 数据手册

19-0451; Rev 1; 10/98

S e ria lly Co n t ro lle d , Lo w -Vo lt a g e ,

8 -Ch a n n e l/Du a l 4 -Ch a n n e l Mu lt ip le x e rs

49/MAX350

Ge n e ra l De s c rip t io n

____________________________Fe a t u re s

The MAX349/MAX350 are 8-channel and dual 4-channel

serially controlled multiplexers (muxes). These muxes

conduct equally well in either direction. On-resistance

(100Ω max) is matched between switches to 16Ω max

and is flat (10Ω max) over the specified signal range.

♦ SPI/QSPI, MICROWIRE-Compatible Serial

Interface

♦ 8 Separately Controlled SPST Switches

♦ Single 8-to-1 Mux (MAX349)

These CMOS devices can operate continuously with

dual power supplies ranging from ±2.7V to ±8V or a sin-

gle supply between +2.7V and +16V. Each mux can

handle rail-to-rail analog signals. The off-leakage current

is only 0.1nA at +25°C or 5nA at +85°C.

Dual 4-to-1 Mux (MAX350)

♦ 100Ω Signal Paths with ±5V Supplies

♦ Rail-to-Rail Signal Handling

♦ Asynchronous RESET Input

Upon power-up, all switches are off and the internal

shift registers are reset to zero.

♦ ±2.7V to ±8V Dual Supplies

+2.7V to +16V Single Supply

The serial interface is compatible with SPI™/QSPI™

and MICROWIRE™. Functioning as a shift register, it

allows data (at DIN) to be clocked in synchronously

with the rising edge of clock (SCLK). The shift register’s

output (DOUT) enables several MAX349s or MAX350s

to be daisy chained.

♦ >2kV ESD Protection per Method 3015.7

♦ TTL/CMOS-Compatible Inputs (with +5V or ±5V

Supplies)

Ord e rin g In fo rm a t io n

All digital inputs have 0.8V or 2.4V logic thresholds,

ensuring both TTL and CMOS-logic compatibility when

using ±5V supplies or a single +5V supply.

PART

TEMP. RANGE

0°C to +70°C

PIN-PACKAGE

18 Plastic DIP

18 Wide SO

20 SSOP

MAX349CPN

MAX349CWN

MAX349CAP

MAX349C/D

________________________Ap p lic a t io n s

Serial Data-Acquisition

Systems

Industrial and Process-

Control Systems

Dice*

Ordering Information continued at end of data sheet.

*Contact factory for dice specifications.

Avionics

ATE Equipment

Networking

Audio Signal Routing

P in Co n fig u ra t io n s /Fu n c t io n a l Dia g ra m s

TOP VIEW

SCLK

MAX349

MAX350

V+

DIN

RESET

V+

DIN

RESET

DOUT

V-

DOUT

LOGIC

GND

V-

COM

NO0

NO1

NO2

N.C.

COMA

NO0A

NO1A

NO2A

COMB

NO0B

NO1B

NO2B

NO3B

NO7

NO6

NO5

NO4

NO3

NO3A

DIP/SO

N.C. = NOT INTERNALLY

CONNECTED

DIP/SO

Pin Configurations continued at end of data sheet.

SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp.

Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.

________________________________________________________________ Maxim Integrated Products

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.

12 3 4 5 6 7...20

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MAX350	ADI	获取价格	串行控制、低电压、8通道和双4通道多路复用器
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MAX3503	MAXIM	获取价格	Upstream CATV Amplifier
MAX3503EGP	MAXIM	获取价格	CATV WIDEBAND AMPLIFIER\|SINGLE\|BIPOLAR\|LLCC\|20PIN\|PLASTIC
MAX3503EGP-T	MAXIM	获取价格	Narrow Band Low Power Amplifier, 5MHz Min, 65MHz Max, 5 X 5 MM, 0.90 MM HEIGHT, QFN-20
MAX3503EVKIT	MAXIM	获取价格	Evaluation Kits for the MAX3503/MAX3505

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