LTC2378IDE-20#PBF datasheet, PDF

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LTC2378IDE-20#PBF: DescriptionIC 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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LTC2378IDE-20#PBF Overview

IC ADC 20BIT 1MSPS 16DFN

LTC2378IDE-20#PBF Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	conform to
Maker	Linear ( ADI )
Parts packaging code	DFN
package instruction	HVSON, SOLCC16,.12,18
Contacts	16
Manufacturer packaging code	DE
Reach Compliance Code	compliant
Samacsys Description	LINEAR TECHNOLOGY - LTC2378IDE-20#PBF - Analogue to Digital Converter, 20 bit, 1 MSPS, Differential, Single Ended, SPI, Single, 2.375 V
Maximum analog input voltage	5.1 V
Minimum analog input voltage	-2.5 V
Maximum conversion time	0.675 µs
Converter type	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	R-PDSO-N16
JESD-609 code	e3
length	4 mm
Maximum linear error (EL)	0.0002%
Humidity sensitivity level	1
Number of analog input channels	1
Number of digits	20
Number of functions	1
Number of terminals	16
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Output bit code	2\'S COMPLEMENT BINARY
Output format	SERIAL
Package body material	PLASTIC/EPOXY
encapsulated code	HVSON
Encapsulate equivalent code	SOLCC16,.12,18
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	2.5 V
Certification status	Not Qualified
Sampling rate	1 MHz
Maximum seat height	0.8 mm
Nominal supply voltage	2.5 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn)
Terminal form	NO LEAD
Terminal pitch	0.45 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	3 mm

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FeaTures

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 •

REF

and full-scale code from V

REF

0.9 •

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

= 2kHz

–125dB

THD (Typ) at f

= 2kHz

Digital Gain Compression (DGC)

Guaranteed Operation to 85°C

2.5V Supply

Fully Differential Input Range ±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

Medical Imaging

High Speed Data Acquisition

Portable or Compact Instrumentation

Industrial Process Control

Low Power Battery-Operated Instrumentation

ATE

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

REF

6800pF

3300pF

LTC2378-20

–

6800pF

REF

2.5V TO 5.1V

GND

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)

–

0.5

–0.5

–1.0

–1.5

–2.0

–524288

–262144

262144

OUTPUT CODE

524288

237820fb

SAMPLE CLOCK

REF

47µF

(X7R, 1210 SIZE)

237820 TA01b

For more information

www.linear.com/LTC2378-20

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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 16DFN	IC ADC 20BIT 1MSPS 16MSOP	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	DFN	MSOP	DFN	MSOP
package instruction	HVSON, SOLCC16,.12,18	HVSON, SOLCC16,.12,18	TSSOP, TSSOP16,.19,20	TSSOP, TSSOP16,.19,20	HVSON, SOLCC16,.12,18	TSSOP, TSSOP16,.19,20	HVSON, SOLCC16,.12,18	TSSOP, TSSOP16,.19,20
Contacts	16	16	16	16	16	16	16	16
Manufacturer packaging code	DE	DE	MS	MS	DE	MS	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-N16	R-PDSO-G16	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 mm	4.039 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	85 °C	85 °C	85 °C	70 °C	70 °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	HVSON	TSSOP	HVSON	TSSOP
Encapsulate equivalent code	SOLCC16,.12,18	SOLCC16,.12,18	TSSOP16,.19,20	TSSOP16,.19,20	SOLCC16,.12,18	TSSOP16,.19,20	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, HEAT SINK/SLUG, VERY THIN PROFILE	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	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	0.8 mm	1.1 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	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	COMMERCIAL	COMMERCIAL	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	NO LEAD	GULL WING	NO LEAD	GULL WING
Terminal pitch	0.45 mm	0.45 mm	0.5 mm	0.5 mm	0.45 mm	0.5 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 - LTC2378IDE-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 - LTC2378CDE-20#PBF - Analogue to Digital Converter, 20 bit, 1 MSPS, Differential, Single Ended, SPI, Single, 2.375 V	LINEAR TECHNOLOGY - LTC2378IMS-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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