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LTC2378CDE-20#PBF

Description
IC ADC 20BIT 1MSPS 16DFN
CategoryAnalog mixed-signal IC    converter   
File Size1011KB,28 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
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LTC2378CDE-20#PBF Overview

IC ADC 20BIT 1MSPS 16DFN

LTC2378CDE-20#PBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeDFN
package instructionHVSON, SOLCC16,.12,18
Contacts16
Manufacturer packaging codeDE
Reach Compliance Codecompliant
Samacsys DescriptionLINEAR TECHNOLOGY - LTC2378CDE-20#PBF - Analogue to Digital Converter, 20 bit, 1 MSPS, Differential, Single Ended, SPI, Single, 2.375 V
Maximum analog input voltage5.1 V
Minimum analog input voltage-2.5 V
Maximum conversion time0.675 µs
Converter typeADC, SUCCESSIVE APPROXIMATION
JESD-30 codeR-PDSO-N16
JESD-609 codee3
length4 mm
Maximum linear error (EL)0.0002%
Humidity sensitivity level1
Number of analog input channels1
Number of digits20
Number of functions1
Number of terminals16
Maximum operating temperature70 °C
Minimum operating temperature
Output bit code2\'S COMPLEMENT BINARY
Output formatSERIAL
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC16,.12,18
Package shapeRECTANGULAR
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply2.5 V
Certification statusNot Qualified
Sampling rate1 MHz
Maximum seat height0.8 mm
Nominal supply voltage2.5 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.45 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3 mm
FeaTures
n
n
n
n
n
n
n
n
n
n
n
n
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n
n
LTC2378-20
20-Bit, 1Msps, Low Power
SAR ADC with 0.5ppm INL
DescripTion
The
LTC
®
2378-20
is a low noise, low power, high speed
20-bit successive approximation register (SAR) ADC.
Operating from a 2.5V supply, the LTC2378-20 has a
±V
REF
fully differential input range with V
REF
ranging from
2.5V to 5.1V. The LTC2378-20 consumes only 21mW and
achieves ±2ppm INL maximum, no missing codes at 20
bits with 104dB SNR.
The LTC2378-20 has a high speed SPI-compatible serial
interface that supports 1.8V, 2.5V, 3.3V and 5V logic
while also featuring a daisy-chain mode. The fast 1Msps
throughput with no cycle latency makes the LTC2378-20
ideally suited for a wide variety of high speed applications.
An internal oscillator sets the conversion time, easing exter-
nal timing considerations. The LTC2378-20 automatically
powers down between conversions, leading to reduced
power dissipation that scales with the sampling rate.
The LTC2378-20 features a unique digital gain compres-
sion (DGC) function, which eliminates the driver amplifier’s
negative supply while preserving the full resolution of the
ADC. When enabled, the ADC performs a digital scaling
function that maps zero-scale code from 0V to
0.1 •
V
REF
and full-scale code from V
REF
to
0.9 •
V
REF
. For a typical
reference voltage of 5V, the full-scale input range is now
0.5V to 4.5V, which provides adequate headroom for
powering the driving amplifier from a single 5.5V supply.
1Msps Throughput Rate
±0.5ppm INL (Typ)
Guaranteed 20-Bit No Missing Codes
Low Power: 21mW at 1Msps, 21µW at 1ksps
104dB SNR (Typ) at f
IN
= 2kHz
–125dB
THD (Typ) at f
IN
= 2kHz
Digital Gain Compression (DGC)
Guaranteed Operation to 85°C
2.5V Supply
Fully Differential Input Range ±V
REF
V
REF
Input Range from 2.5V to 5.1V
No Pipeline Delay, No Cycle Latency
1.8V to 5V I/O Voltages
SPI-Compatible Serial I/O with Daisy-Chain Mode
Internal Conversion Clock
16-Lead MSOP and 4mm
×
3mm DFN Packages
applicaTions
n
n
n
n
n
n
Medical Imaging
High Speed Data Acquisition
Portable or Compact Instrumentation
Industrial Process Control
Low Power Battery-Operated Instrumentation
ATE
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
SoftSpan is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
Patents Pending. Protected by U.S. Patents, including
7705765, 7961132, 8319673.
Typical applicaTion
2.5V
10µF
V
REF
0V
V
REF
0V
6800pF
3300pF
V
DD
IN
+
LTC2378-20
IN
6800pF
REF
2.5V TO 5.1V
GND
OV
DD
1.8V TO 5V
0.1µF
CHAIN
RDL/SDI
SDO
SCK
BUSY
CNV
REF/DGC
237820 TA01a
Integral Nonlinearity vs Output Code
2.0
1.5
1.0
INL ERROR (ppm)
+
10
0.5
0
–0.5
–1.0
–1.5
–2.0
–524288
–262144
0
262144
OUTPUT CODE
524288
237820fb
10
SAMPLE CLOCK
V
REF
47µF
(X7R, 1210 SIZE)
237820 TA01b
For more information
www.linear.com/LTC2378-20
1

LTC2378CDE-20#PBF Related Products

LTC2378CDE-20#PBF LTC2378IDE-20#TRPBF LTC2378IMS-20#TRPBF LTC2378CMS-20#PBF LTC2378IMS-20#PBF LTC2378IDE-20#PBF LTC2378CDE-20#TRPBF LTC2378CMS-20#TRPBF
Description IC ADC 20BIT 1MSPS 16DFN IC ADC 20BIT 1MSPS 16DFN IC ADC 20BIT 1MSPS 16MSOP IC ADC 20BIT 1MSPS 16MSOP IC ADC 20BIT 1MSPS 16MSOP IC ADC 20BIT 1MSPS 16DFN IC ADC 20BIT 1MSPS 16DFN IC ADC 20BIT 1MSPS 16MSOP
Brand Name Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology Linear Technology
Is it Rohs certified? conform to conform to conform to conform to conform to conform to conform to conform to
Maker Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) Linear ( ADI )
Parts packaging code DFN DFN MSOP MSOP MSOP DFN DFN MSOP
package instruction HVSON, SOLCC16,.12,18 HVSON, SOLCC16,.12,18 TSSOP, TSSOP16,.19,20 TSSOP, TSSOP16,.19,20 TSSOP, TSSOP16,.19,20 HVSON, SOLCC16,.12,18 HVSON, SOLCC16,.12,18 TSSOP, TSSOP16,.19,20
Contacts 16 16 16 16 16 16 16 16
Manufacturer packaging code DE DE MS MS MS DE DE MS
Reach Compliance Code compliant compliant compliant compliant compliant compliant compliant compliant
Maximum analog input voltage 5.1 V 5.1 V 5.1 V 5.1 V 5.1 V 5.1 V 5.1 V 5.1 V
Minimum analog input voltage -2.5 V -2.5 V -2.5 V -2.5 V -2.5 V -2.5 V -2.5 V -2.5 V
Maximum conversion time 0.675 µs 0.675 µs 0.675 µs 0.675 µs 0.675 µs 0.675 µs 0.675 µs 0.675 µs
Converter type ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION ADC, SUCCESSIVE APPROXIMATION
JESD-30 code R-PDSO-N16 R-PDSO-N16 R-PDSO-G16 R-PDSO-G16 R-PDSO-G16 R-PDSO-N16 R-PDSO-N16 R-PDSO-G16
JESD-609 code e3 e3 e3 e3 e3 e3 e3 e3
length 4 mm 4 mm 4.039 mm 4.039 mm 4.039 mm 4 mm 4 mm 4.039 mm
Maximum linear error (EL) 0.0002% 0.0002% 0.0002% 0.0002% 0.0002% 0.0002% 0.0002% 0.0002%
Humidity sensitivity level 1 1 1 1 1 1 1 1
Number of analog input channels 1 1 1 1 1 1 1 1
Number of digits 20 20 20 20 20 20 20 20
Number of functions 1 1 1 1 1 1 1 1
Number of terminals 16 16 16 16 16 16 16 16
Maximum operating temperature 70 °C 85 °C 85 °C 70 °C 85 °C 85 °C 70 °C 70 °C
Output bit code 2\'S COMPLEMENT BINARY 2\'S COMPLEMENT BINARY 2\'S COMPLEMENT BINARY 2\'S COMPLEMENT BINARY 2\'S COMPLEMENT BINARY 2\'S COMPLEMENT BINARY 2\'S COMPLEMENT BINARY 2\'S COMPLEMENT BINARY
Output format SERIAL SERIAL SERIAL SERIAL SERIAL SERIAL SERIAL SERIAL
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code HVSON HVSON TSSOP TSSOP TSSOP HVSON HVSON TSSOP
Encapsulate equivalent code SOLCC16,.12,18 SOLCC16,.12,18 TSSOP16,.19,20 TSSOP16,.19,20 TSSOP16,.19,20 SOLCC16,.12,18 SOLCC16,.12,18 TSSOP16,.19,20
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
power supply 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Sampling rate 1 MHz 1 MHz 1 MHz 1 MHz 1 MHz 1 MHz 1 MHz 1 MHz
Maximum seat height 0.8 mm 0.8 mm 1.1 mm 1.1 mm 1.1 mm 0.8 mm 0.8 mm 1.1 mm
Nominal supply voltage 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V
surface mount YES YES YES YES YES YES YES YES
technology CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS
Temperature level COMMERCIAL INDUSTRIAL INDUSTRIAL COMMERCIAL INDUSTRIAL INDUSTRIAL COMMERCIAL COMMERCIAL
Terminal surface Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
Terminal form NO LEAD NO LEAD GULL WING GULL WING GULL WING NO LEAD NO LEAD GULL WING
Terminal pitch 0.45 mm 0.45 mm 0.5 mm 0.5 mm 0.5 mm 0.45 mm 0.45 mm 0.5 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm 3 mm
Samacsys Description LINEAR TECHNOLOGY - LTC2378CDE-20#PBF - Analogue to Digital Converter, 20 bit, 1 MSPS, Differential, Single Ended, SPI, Single, 2.375 V - - LINEAR TECHNOLOGY - LTC2378CMS-20#PBF - ADC, 2.5-5.1V, 20BIT, 1MSPS, SPI, 16MSOP LINEAR TECHNOLOGY - LTC2378IMS-20#PBF - Analogue to Digital Converter, 20 bit, 1 MSPS, Differential, Single Ended, SPI, Single, 2.375 V LINEAR TECHNOLOGY - LTC2378IDE-20#PBF - Analogue to Digital Converter, 20 bit, 1 MSPS, Differential, Single Ended, SPI, Single, 2.375 V 20 Bit Analog to Digital Converter 1 Input 1 SAR 16-DFN (4x3) -
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