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PDF MUX8521 Data sheet ( Hoja de datos )
| Número de pieza | MUX8521 | |
| Descripción | 16-Channel Analog Multiplexer Module | |
| Fabricantes | Aeroflex Circuit Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MUX8521 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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Standard Products
MUX8521 16-Channel Analog Multiplexer Module
Radiation Tolerant & ESD Protected
Kelvin Measurement Configured
www.aeroflex.com/mux
May 17, 2011
FEATURES
❑ 16 Kelvin measurement channels provided by two 16-channel multiplexers
❑ Radiation performance
- Total dose:
- SEU:
300 krads(Si), Dose rate = 50 - 300 rads(Si)/s
Immune up to 120 MeV-cm2/mg
- SEL:
Immune by process design
❑ Full military temperature range
❑ Low power consumption < 30mW
❑ One address bus A0~A3, and one enable line
❑ All channel inputs protected by ±20V nominal Transorbs
❑ Fast access time 1500ns typical
❑ Break-Before-Make switching
❑ High analog input impedance (power on or off )
❑ Designed for aerospace and high reliability space applications
❑ Packaging – Hermetic ceramic
- 56 leads, 0.80"Sq x 0.20"Ht quad flat pack
- Typical Weight 6 grams
GENERAL DESCRIPTION
Aeroflex’s MUX8521 is a radiation tolerant, 16 channel multiplexer MCM (Multi Chip Module) with
electrostatic discharge (ESD) protection on all channel inputs.
The MUX8521 has been specifically designed to meet exposure to radiation environments. It is available
in a 56 lead High Temperature Co-Fired Ceramic (HTCC) Quad Flatpack (CQFP). It is guaranteed
operational from -55°C to +125°C. Available screened in accordance with MIL-PRF-38534, the
MUX8521 is ideal for demanding military and space applications.
ORGANIZATION AND APPLICATION
The MUX8521 consists of two 16 channel multiplexers arranged as shown in the block diagram,
addressable by bus A0~A3 including enable which connects the addressed channel to two separate outputs,
"Output" and "Current". This technique enables selecting and reading a remote resistive sensor without the
MUX resistance being part of the measurement. For grounded sensors, this is done by passing current to
the sensor by means of the "Current" pin and reading the resultant voltage (proportional to the sensor
resistance) at the "Output" pin.
SCD8521 Rev B
1 page  
TRUTH TABLE (CH0 – CH15)
A3 A2 A1 A0
EN (0-15)
XXXX
LLLL
L L LH
L LHL
L LHH
LHL L
LHLH
L HH L
L HHH
HL L L
HL LH
HLHL
H L HH
H
L
L
L
L
L
L
L
L
L
L
L
L
HHL L
HH L H
HHH L
HHHH
L
L
L
L
1/ Between (CH0-CH15) and OUTPUT (0-15), CURRENT (0-15)
"ON" CHANNEL 1/
NONE
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH8
CH9
CH10
CH11
CH12
CH13
CH14
CH15
SCD8521 Rev B 5/17/11
5
Aeroflex Plainview
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MUX8521.PDF ] | |
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