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LTC2452IDDB#TRPBF

Description
1-Channel Single ADC Delta-Sigma 60sps 16-bit Serial Automotive 8-Pin DFN EP T/R
File Size446KB,22 Pages
ManufacturerADI
Websitehttps://www.analog.com
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LTC2452IDDB#TRPBF Overview

1-Channel Single ADC Delta-Sigma 60sps 16-bit Serial Automotive 8-Pin DFN EP T/R

LTC2452IDDB#TRPBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
Converter TypeGeneral Purpose
ArchitectureDelta-Sigma
Resolution16bit
Number of ADCs1
Number of Input Channels1
Sampling Rate60sps
Digital Interface TypeSerial (2-Wire, 3-Wire, SPI)
Input TypeVoltage
Input Signal TypeDifferential
Voltage ReferenceExternal
Polarity of Input VoltageBipolar
Voltage Supply SourceSingle
Input Voltage±5.5V
Minimum Single Supply Voltage (V)2.7
Typical Single Supply Voltage (V)3.3|5
Maximum Single Supply Voltage (V)5.5
Typical Power Dissipation (mW)2.4
Integral Nonlinearity Error10LSB
Full Scale Error4LSB
No Missing Codes (bit)16
Sample and HoldNo
Single-Ended InputNo
Digital Supply SupportNo
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
PackagingTape and Reel
Supplier Temperature GradeIndustrial
Pin Count8
Standard Package NameDFN
Supplier PackageDFN EP
MountingSurface Mount
Package Height0.75(Max)
Package Length3
Package Width2
PCB changed8
Lead ShapeNo Lead
FeaTures
n
n
LTC2452
Ultra-Tiny, Differential, 16-Bit
∆Σ
ADC with SPI Interface
DescripTion
The
LTC
®
2452
is an ultra-tiny, fully differential, 16-bit,
analog-to-digital converter. The LTC2452 uses a single
2.7V to 5.5V supply and communicates through an SPI
interface. The ADC is available in an 8-pin, 3mm × 2mm
DFN package or TSOT-23 package. It includes an integrated
oscillator that does not require any external components.
It uses a delta-sigma modulator as a converter core and
has no latency for multiplexed applications. The LTC2452
includes a proprietary input sampling scheme that reduces
the average input sampling current several orders of
magnitude when compared to conventional delta-sigma
converters. Additionally, due to its architecture, there is
negligible current leakage between the input pins.
The LTC2452 can sample at 60 conversions per second,
and due to the very large oversampling ratio, has extremely
relaxed anti-aliasing requirements. The LTC2452 includes
continuous internal offset and full-scale calibration algo-
rithms which are transparent to the user, ensuring accuracy
over time and over the operating temperature range. The
converter has an external REF pin and the differential input
voltage range can extend up to ±V
REF
.
Following a single conversion, the LTC2452 can automati-
cally enter a sleep mode and reduce its supply current to
less than 0.2µA. If the user reads the ADC once a second,
the LTC2452 consumes an average of less than 50µW
from a 2.7V supply.
n
n
n
n
n
n
n
n
n
n
±V
CC
Differential Input Range
16-Bit Resolution (Including Sign), No Missing
Codes
2LSB Offset Error
4LSB Full-Scale Error
60 Conversions Per Second
Single Conversion Settling Time for Multiplexed
Applications
Single-Cycle Operation with Auto Shutdown
800µA Supply Current
0.2µA Sleep Current
Internal Oscillator—No External Components
Required
SPI Interface
Ultra-Tiny 3mm × 2mm DFN and TSOT-23 Packages
applicaTions
n
n
n
n
n
n
n
System Monitoring
Environmental Monitoring
Direct Temperature Measurements
Instrumentation
Industrial Process Control
Data Acquisition
Embedded ADC Upgrades
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and No
Latency ∆Σ is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners. Protected by U.S. Patents, including 6208279, 6411242,
7088280, 7164378.
Typical applicaTion
3
2.7V TO 5.5V
0.1µF
0.1µF
10k
10k
IN
10k
R
0.1µF
IN
+
REF
V
CC
SCK
SDO
INL (LSB)
CS
LTC2452
3-WIRE SPI
INTERFACE
10µF
2
1
Integral Nonlinearity, V
CC
= 3V
T
A
= –45°C, 25°C, 90°C
0
–1
GND
–2
2452 TA01a
–3
–3
1
2
–2
–1
0
DIFFERENTIAL INPUT VOLTAGE (V)
3
2452 TA01b
2452fd
For more information
www.linear.com/LTC2452
1

LTC2452IDDB#TRPBF Related Products

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Description 1-Channel Single ADC Delta-Sigma 60sps 16-bit Serial Automotive 8-Pin DFN EP T/R 1-Channel Single ADC Delta-Sigma 60sps 16-bit Serial 8-Pin DFN EP T/R 1-Channel Single ADC Delta-Sigma 60sps 16-bit Serial 8-Pin DFN EP T/R 1-Channel Single ADC Delta-Sigma 60sps 16-bit Serial 8-Pin DFN EP T/R 1-Channel Single ADC Delta-Sigma 60sps 16-bit Serial 8-Pin TSOT-23 T/R 1-Channel Single ADC Delta-Sigma 60sps 16-bit Serial 8-Pin TSOT-23 T/R 1-Channel Single ADC Delta-Sigma 60sps 16-bit Serial Automotive 8-Pin DFN EP T/R 1-Channel Single ADC Delta-Sigma 60sps 16-bit Serial 8-Pin TSOT-23 T/R 1-Channel Single ADC Delta-Sigma 60sps 16-bit Serial 8-Pin TSOT-23 T/R
EU restricts the use of certain hazardous substances Compliant Compliant Compliant Compliant Compliant Compliant Compliant Compliant Compliant
ECCN (US) EAR99 - EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Part Status Active Unconfirmed Active Active Active Active Active Active Active
HTS 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01
Converter Type General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose
Architecture Delta-Sigma Delta-Sigma Delta-Sigma Delta-Sigma Delta-Sigma Delta-Sigma Delta-Sigma Delta-Sigma Delta-Sigma
Resolution 16bit 16bit 16bit 16bit 16bit 16bit 16bit 16bit 16bit
Number of ADCs 1 1 1 1 1 1 1 1 1
Number of Input Channels 1 1 1 1 1 1 1 1 1
Sampling Rate 60sps 60sps 60sps 60sps 60sps 60sps 60sps 60sps 60sps
Digital Interface Type Serial (2-Wire, 3-Wire, SPI) Serial (2-Wire, 3-Wire, SPI) Serial (2-Wire, 3-Wire, SPI) Serial (2-Wire, 3-Wire, SPI) Serial (2-Wire, 3-Wire, SPI) Serial (2-Wire, 3-Wire, SPI) Serial (2-Wire, 3-Wire, SPI) Serial (2-Wire, 3-Wire, SPI) Serial (2-Wire, 3-Wire, SPI)
Input Type Voltage Voltage Voltage Voltage Voltage Voltage Voltage Voltage Voltage
Input Signal Type Differential Differential Differential Differential Differential Differential Differential Differential Differential
Voltage Reference External External External External External External External External External
Polarity of Input Voltage Bipolar Bipolar Bipolar Bipolar Bipolar Bipolar Bipolar Bipolar Bipolar
Voltage Supply Source Single Single Single Single Single Single Single Single Single
Input Voltage ±5.5V ±5.5V ±5.5V ±5.5V ±5.5V ±5.5V ±5.5V ±5.5V ±5.5V
Minimum Single Supply Voltage (V) 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7 2.7
Typical Single Supply Voltage (V) 3.3|5 3.3|5 3.3|5 3.3|5 3.3|5 3.3|5 5|3.3 3.3|5 3.3|5
Maximum Single Supply Voltage (V) 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5 5.5
Typical Power Dissipation (mW) 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4 2.4
Integral Nonlinearity Error 10LSB 10LSB 10LSB 10LSB 10LSB 10LSB 10LSB 10LSB 10LSB
Full Scale Error 4LSB 4LSB 4LSB 4LSB 4LSB 4LSB 4LSB 4LSB 4LSB
No Missing Codes (bit) 16 16 16 16 16 16 16 16 16
Sample and Hold No No No No No No No No No
Single-Ended Input No No No No No No No No No
Digital Supply Support No No No No No No No No No
Maximum Operating Temperature (°C) 85 70 70 70 70 70 85 85 85
Packaging Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel
Supplier Temperature Grade Industrial Commercial Commercial Commercial Commercial Commercial Industrial Industrial Industrial
Pin Count 8 8 8 8 8 8 8 8 8
Standard Package Name DFN DFN DFN DFN SOT-23 SOT-23 DFN SOT-23 SOT-23
Supplier Package DFN EP DFN EP DFN EP DFN EP TSOT-23 TSOT-23 DFN EP TSOT-23 TSOT-23
Mounting Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package Height 0.75(Max) 0.75(Max) 0.75(Max) 0.75(Max) 0.9(Max) 0.9(Max) 0.75(Max) 0.9(Max) 0.9(Max)
Package Length 3 3 3 3 2.9 2.9 3 2.9 2.9
Package Width 2 2 2 2 1.75(Max) 1.75(Max) 2 1.75(Max) 1.75(Max)
PCB changed 8 8 8 8 8 8 8 8 8
Lead Shape No Lead No Lead No Lead No Lead Gull-wing Gull-wing No Lead Gull-wing Gull-wing
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