Analog Devices Launches Industry’s First Quad-Channel Protector and Multiplexers with Programmable Fault Detection
09 Juli 2015 - 4:00PM
Business Wire
Analog Devices, Inc. today introduced a quad-channel protector
and two multiplexers offering +/-55-V overvoltage protection (OVP)
for precision converters, amplifiers and other components that
operate from a low voltage of 4.5 V up to 36 V. The ADG5462F quad
channel protector, ADG5248F 8:1 multiplexer and ADG5249F
differential 4:1 multiplexer offer +/-55-V OVP in power-on and
power-off stages and provide robust, precision protection against
hot-swapping and operator miss-use events, thereby protecting
downstream analog components. By providing on-chip fault
diagnostics, the new devices are the first in the industry to
detect and avoid defective channels, which simplifies fault
detection algorithms and improves system uptime. The new products
maximize design flexibility by enabling users to define
fault-trigger levels independent of primary supplies. By also
removing the need for multiple discrete protection components, the
ADG5462F, ADG5248F and ADG5249F optimize PCB area and simplify the
design process. The devices are optimized for precision
instrumentation, process control and avionics applications.
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- View ADG5462F product page, pricing and
availability; download data sheet; order samples and evaluation
boards: http://www.analog.com/adg5462f.html
- View ADG5248F and ADG5249F product
page, pricing and availability; download data sheet; order samples
and evaluation boards: http://www.analog.com/adg5248f.html
- Learn about ADI’s fault protected,
switches and muxes product portfolio:
http://www.analog.com/en/products/switches-multiplexers.html#fault-protected-switches-multiplexers
- Connect with engineers and ADI product
experts on EngineerZone®, an online technical support community:
https://ez.analog.com/community/switches_multiplexers
- Click to Tweet:
http://ctt.ec/5zHeo
The ADG5248F 8:1 multiplexer and ADG5249F differential 4:1
multiplexer maximize throughput for small signal measurement such
as thermocouples or resistance temperature detectors (RTDs) by
offering best-in-class, low-fault leakage of 70 nA, which is 10
times lower than competing solutions, and on-leakage of 20 nA.
These levels ensure that the user can take accurate measurements
when other multiplexer I/O channels are in an over-voltage fault
condition.
Key Features:
Over-voltage detection on source pins
- Minimum secondary supply level: 4.5-V
single-supply
- Over-voltage protection up to +/−55
V
- 4-kV HBM (human body model) ESD
(ADG5462F)
VSS to VDD analog signal range
- +/-5-V to +/-22-V dual-supply
operation
- 8-V to 44-V single-supply
operation
- Fully specified at +/-15 V, +/-20 V,
+12 V, and +36 V
Operating Temperature Range −40°C to +125°
ADG5462F: Ultra-low on-resistance of 10 ohm and
on-resistance flatness of 0.5 ohm minimizes system total harmonic
distortion and enhances noise performance.
ADG5248F/49F: Ultra-low charge injection of 0.8 pC and
on-capacitance of 19 pF enables higher accuracy, faster channel
switching in multiplexed systems.
Family Optimized for Low RON
Product Configuration
FaultTriggerThreshold
FaultModeIndicator
FaultFlag
Packaging ADG5462F Quad Channel
Protector Secondary Supplies Selectable
Secondary Supplies or Open Circuit Indicator of Fault
16-lead TSSOP/
LFCSP
ADG5412F/13F Quad SPST Primary Supplies
Open Circuit Indicator of Fault
16-lead TSSOP/
LFCSP
ADG5412BF/13BF Quad SPST& Bidirectional OVP
Primary Supplies Open Circuit
Indicator of Fault 16-lead TSSOP/
LFCSP
ADG5404F 4:1 Multiplexer Primary
Supplies Selectable
Rails or Open Circuit
Indicator of Fault & Source of Fault
14-lead TSSOP
16-lead
LFCSP
ADG5436F Dual SPDT Primary Supplies
Selectable Rails or Open Circuit
Indicator of Fault & Source of Fault 16-lead
TSSOP/
LFCSP
Family Optimized for Low Charge Injection
Product Configuration
FaultTriggerThreshold
Fault ModeIndicator
Fault Flag
Packaging
(Released)
ADG5248F 8:1 Multiplexer Secondary
Supplies Secondary Supplies Indicator
of Fault & Source of Fault 20-lead TSSOP ADG5249F
Differential 4:1 Multiplexer Secondary
Supplies Secondary Supplies Indicator
of Fault & Source of Fault 20-lead TSSOP ADG5208F
8:1 Multiplexer Primary Supplies
Rails None 16-lead TSSOP
ADG5209F Differential 4:1 Multiplexer
Primary Supplies Rails None
16-lead TSSOP ADG5243F
(sampling)
Triple SPDT Secondary Supplies
Secondary Supplies Indicator of Fault &
Source of Fault 20-lead TSSOP
About Analog Devices
Analog Devices (NASDAQ: ADI) designs and manufactures
semiconductor products and solutions. We enable our customers to
interpret the world around us by intelligently bridging the
physical and digital with unmatched technologies that sense,
measure and connect. Visit http://www.analog.com
Follow ADI on Twitter at http://www.twitter.com/ADI_News
Subscribe to Analog Dialogue, ADI’s monthly technical journal,
at: http://www.analog.com/library/analogDialogue/
EngineerZone is a registered trademark of Analog Devices,
Inc.
View source
version on businesswire.com: http://www.businesswire.com/news/home/20150709005754/en/
Analog Devices, Inc.Linda Kincaid,
781-937-1472linda.kincaid@analog.comorPorter
NovelliAndrew MacLellan,
617-897-8270andrew.maclellan@porternovelli.com
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