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LTC2496IUHF

Description
LTC2496 - 16-Bit 8-/16-Channel Delta Sigma ADC with Easy Drive Input Current Cancellation; Package: QFN; Pins: 38; Temperature Range: -40°C to 85°C
CategoryAnalog mixed-signal IC    converter   
File Size375KB,32 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric Compare View All

LTC2496IUHF Overview

LTC2496 - 16-Bit 8-/16-Channel Delta Sigma ADC with Easy Drive Input Current Cancellation; Package: QFN; Pins: 38; Temperature Range: -40°C to 85°C

LTC2496IUHF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeQFN
package instructionHVQCCN, LCC38,.2X.28,20
Contacts38
Manufacturer packaging codeUHF
Reach Compliance Code_compli
ECCN codeEAR99
Maximum analog input voltage5.5 V
Minimum analog input voltage
Maximum conversion time149900 µs
Converter typeADC, DELTA-SIGMA
JESD-30 codeR-PQCC-N38
JESD-609 codee0
length5 mm
Maximum linear error (EL)0.002%
Humidity sensitivity level1
Number of analog input channels16
Number of digits16
Number of functions1
Number of terminals38
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output bit codeBINARY
Output formatSERIAL
Package body materialPLASTIC/EPOXY
encapsulated codeHVQCCN
Encapsulate equivalent codeLCC38,.2X.28,20
Package shapeRECTANGULAR
Package formCHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)235
power supply3/5 V
Certification statusNot Qualified
Maximum seat height0.8 mm
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationQUAD
Maximum time at peak reflow temperature20
width7 mm
LTC2496
16-Bit 8-/16-Channel
ΔΣ
ADC with Easy Drive
Input Current Cancellation
FEATURES
DESCRIPTION
The LTC
®
2496 is a 16-channel (8-differential) 16-bit No
Latency
ΔΣ™
ADC with Easy Drive™ technology. The pat-
ented sampling scheme eliminates dynamic input current
errors and the shortcomings of on-chip buffering through
automatic cancellation of differential input current. This
allows large external source impedances, and rail-to-rail
input signals to be directly digitized while maintaining
exceptional DC accuracy.
The LTC2496 includes an integrated oscillator. This device
can be configured to measure an external signal (from
combinations of 16 analog input channels operating in
single ended or differential modes). It automatically rejects
line frequencies of 50Hz and 60Hz, simultaneously.
The LTC2496 allows a wide common mode input range
(0V to V
CC
), independent of the reference voltage. Any
combination of single-ended or differential inputs can be
selected and the first conversion after a new channel is
selected is valid. Access to the multiplexer output enables
optional external amplifiers to be shared between all analog
inputs and auto calibration continuously removes their
associated offset and drift.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Up to 8 Differential or 16 Single-Ended Inputs
Easy Drive Technology Enables Rail-to-Rail Inputs
with Zero Differential Input Current
Directly Digitizes High Impedance Sensors with
Full Accuracy
600nV RMS Noise (0.02 LSB Transition Noise)
GND to V
CC
Input/Reference Common Mode Range
Simultaneous 50Hz/60Hz Rejection
2ppm INL, No Missing Codes
1ppm Offset and 15ppm Full-Scale Error
No Latency: Digital Filter Settles in a Single Cycle,
Even After a New Channel is Selected
Single Supply 2.7V to 5.5V Operation (0.8mW)
Internal Oscillator
QFN 5mm
×
7mm Package
APPLICATIONS
Direct Sensor Digitizer
Direct Temperature Measurement
Instrumentation
Industrial Process Control
TYPICAL APPLICATION
Data Acquisition System
2.7V TO 5.5V
0.1μF
10μF
+FS ERROR (ppm)
80
+FS Error vs R
SOURCE
V
CC
= 5V
60 V
REF
= 5V
V
IN+
= 3.75V
40 V
IN
= 1.25V
F
O
= GND
20 T
A
= 25°C
C
IN
= 1μF
0
–20
–40
–60
F
0
CH0
CH1
CH7
CH8 16-CHANNEL
MUX
CH15
COM
MUXOUT/
ADCIN
REF
+
V
CC
IN
+
16-BIT
ΔΣ
ADC
WITH EASY-DRIVE
IN
REF
SDI
SCK
SDO
CS
4-WIRE
SPI INTERFACE
MUXOUT/
ADCIN
OSC
2496 TA01a
–80
1
10
100
1k
R
SOURCE
(Ω)
10k
100k
2498 TA01b
2496fa
1

LTC2496IUHF Related Products

LTC2496IUHF LTC2496CUHF LTC2496CUHF#TR LTC2496IUHF#TR
Description LTC2496 - 16-Bit 8-/16-Channel Delta Sigma ADC with Easy Drive Input Current Cancellation; Package: QFN; Pins: 38; Temperature Range: -40°C to 85°C LTC2496 - 16-Bit 8-/16-Channel Delta Sigma ADC with Easy Drive Input Current Cancellation; Package: QFN; Pins: 38; Temperature Range: 0°C to 70°C LTC2496 - 16-Bit 8-/16-Channel Delta Sigma ADC with Easy Drive Input Current Cancellation; Package: QFN; Pins: 38; Temperature Range: 0°C to 70°C LTC2496 - 16-Bit 8-/16-Channel Delta Sigma ADC with Easy Drive Input Current Cancellation; Package: QFN; Pins: 38; Temperature Range: -40°C to 85°C
Brand Name Linear Technology Linear Technology Linear Technology Linear Technology
Is it Rohs certified? incompatible incompatible incompatible incompatible
Maker Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
Parts packaging code QFN QFN QFN QFN
package instruction HVQCCN, LCC38,.2X.28,20 HVQCCN, LCC38,.2X.28,20 HVQCCN, LCC38,.2X.28,20 HVQCCN, LCC38,.2X.28,20
Contacts 38 38 38 38
Manufacturer packaging code UHF UHF UHF UHF
Reach Compliance Code _compli _compli _compli _compli
ECCN code EAR99 EAR99 EAR99 EAR99
Maximum analog input voltage 5.5 V 5.5 V 5.5 V 5.5 V
Maximum conversion time 149900 µs 149900 µs 149900 µs 149900 µs
Converter type ADC, DELTA-SIGMA ADC, DELTA-SIGMA ADC, DELTA-SIGMA ADC, DELTA-SIGMA
JESD-30 code R-PQCC-N38 R-PQCC-N38 R-PQCC-N38 R-PQCC-N38
JESD-609 code e0 e0 e0 e0
length 5 mm 5 mm 5 mm 5 mm
Maximum linear error (EL) 0.002% 0.002% 0.002% 0.002%
Humidity sensitivity level 1 1 1 1
Number of analog input channels 16 16 16 16
Number of digits 16 16 16 16
Number of functions 1 1 1 1
Number of terminals 38 38 38 38
Maximum operating temperature 85 °C 70 °C 70 °C 85 °C
Output bit code BINARY BINARY BINARY BINARY
Output format SERIAL SERIAL SERIAL SERIAL
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code HVQCCN HVQCCN HVQCCN HVQCCN
Encapsulate equivalent code LCC38,.2X.28,20 LCC38,.2X.28,20 LCC38,.2X.28,20 LCC38,.2X.28,20
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) 235 235 235 235
power supply 3/5 V 3/5 V 3/5 V 3/5 V
Certification status Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 0.8 mm 0.8 mm 0.8 mm 0.8 mm
Nominal supply voltage 5 V 5 V 5 V 5 V
surface mount YES YES YES YES
technology CMOS CMOS CMOS CMOS
Temperature level INDUSTRIAL COMMERCIAL COMMERCIAL INDUSTRIAL
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form NO LEAD NO LEAD NO LEAD NO LEAD
Terminal pitch 0.5 mm 0.5 mm 0.5 mm 0.5 mm
Terminal location QUAD QUAD QUAD QUAD
Maximum time at peak reflow temperature 20 20 20 20
width 7 mm 7 mm 7 mm 7 mm
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