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MAX349CAP+ Datasheet

  • MAX349CAP+

  • IC MULTIPLEXER 8X1 20SSOP

  • 20頁

  • Maxim   Maxim

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19-0451; Rev 1; 10/98
Serially Controlled, Low-Voltage,
8-Channel/Dual 4-Channel Multiplexers
General Description
The MAX349/MAX350 are 8-channel and dual 4-channel
serially controlled multiplexers (muxes). These muxes
conduct equally well in either direction. On-resistance
(100鈩?max) is matched between switches to 16鈩?max
and is flat (10鈩?max) over the specified signal range.
These CMOS devices can operate continuously with
dual power supplies ranging from 鹵2.7V to 鹵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擄C or 5nA at +85擄C.
Upon power-up, all switches are off and the internal
shift registers are reset to zero.
The serial interface is compatible with SPI鈩?QSPI鈩?/div>
and MICROWIRE鈩? 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鈥檚
output (DOUT) enables several MAX349s or MAX350s
to be daisy chained.
All digital inputs have 0.8V or 2.4V logic thresholds,
ensuring both TTL and CMOS-logic compatibility when
using 鹵5V supplies or a single +5V supply.
____________________________Features
o
SPI/QSPI, MICROWIRE-Compatible Serial
Interface
o
8 Separately Controlled SPST Switches
o
Single 8-to-1 Mux (MAX349)
Dual 4-to-1 Mux (MAX350)
o
100鈩?Signal Paths with 鹵5V Supplies
o
Rail-to-Rail
廬
Signal Handling
o
Asynchronous
RESET
Input
o
鹵2.7V to 鹵8V Dual Supplies
+2.7V to +16V Single Supply
o
>2kV ESD Protection per Method 3015.7
o
TTL/CMOS-Compatible Inputs (with +5V or 鹵5V
Supplies)
MAX349/MAX350
Ordering Information
PART
MAX349CPN
MAX349CWN
MAX349CAP
MAX349C/D
TEMP. RANGE
0擄C to +70擄C
0擄C to +70擄C
0擄C to +70擄C
0擄C to +70擄C
PIN-PACKAGE
18 Plastic DIP
18 Wide SO
20 SSOP
Dice*
________________________Applications
Serial Data-Acquisition
Systems
Avionics
Audio Signal Routing
Industrial and Process-
Control Systems
ATE Equipment
Networking
Ordering Information continued at end of data sheet.
*Contact factory for dice specifications.
Pin Configurations/Functional Diagrams
TOP VIEW
SCLK 1
V+ 2
DIN 3
GND 4
COM 5
NO0 6
NO1 7
NO2 8
NO3 9
LOGIC
MAX349
18 CS
17 RESET
16 DOUT
15 V-
14 N.C.
13 NO7
12 NO6
11 NO5
10 NO4
SCLK 1
V+ 2
DIN 3
GND 4
COMA 5
NO0A 6
NO1A 7
NO2A 8
NO3A 9
MAX350
18 CS
17 RESET
LOGIC
16 DOUT
15 V-
14 COMB
13 NO0B
12 NO1B
11 NO2B
10 NO3B
N.C. = NOT INTERNALLY
CONNECTED
DIP/SO
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
1
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.

MAX349CAP+ 產(chǎn)品屬性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 66

  • 集成電路 (IC)

  • 接口 - 模擬開關(guān)，多路復(fù)用器，多路分解器

  • -

  • 多路復(fù)用器

  • 1 x 8:1

  • 100 歐姆

  • 單/雙電源

  • 2.7 V ~ 16 V，±2.7 V ~ 8 V

  • 1µA

  • 0°C ~ 70°C

  • 表面貼裝

  • 20-SSOP（0.209"，5.30mm 寬）

  • 20-SSOP

  • 管件

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