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LTC2404IG

Description
Analog to Digital Converters - ADC LTC2404 - 4-/8-Channel 24-Bit - Power No Latency Delta-Sigma ADC
CategoryAnalog mixed-signal IC    converter   
File Size354KB,36 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Download user manual Parametric Compare View All

LTC2404IG Overview

Analog to Digital Converters - ADC LTC2404 - 4-/8-Channel 24-Bit - Power No Latency Delta-Sigma ADC

LTC2404IG Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerADI
package instruction0.209 INCH, PLASTIC, SSOP-28
Reach Compliance Codenot_compliant
ECCN codeEAR99
Is SamacsysN
Maximum analog input voltage6.1875 V
Minimum analog input voltage-0.0125 V
Maximum conversion time163200 µs
Converter typeADC, DELTA-SIGMA
JESD-30 codeR-PDSO-G28
JESD-609 codee0
length10.2 mm
Maximum linear error (EL)
Humidity sensitivity level1
Number of analog input channels4
Number of digits24
Number of functions1
Number of terminals28
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Output bit codeBINARY
Output formatSERIAL
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)235
Certification statusNot Qualified
Maximum seat height2 mm
Nominal supply voltage3 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width5.3 mm
Base Number Matches1
LTC2404/LTC2408
4-/8-Channel 24-Bit
µPower
No Latency
∆Σ
TM
ADCs
FEATURES
s
s
DESCRIPTIO
s
s
s
s
s
s
s
s
s
s
Pin Compatible 4-/8-Channel 24-Bit ADCs
Single Conversion Digital Filter Settling Time
Simplifies Multiplexing
4ppm INL, No Missing Codes
4ppm Full-Scale Error
0.5ppm Offset
0.3ppm Noise
Internal Oscillator—No External Components
Required
110dB Min, 50Hz/60Hz Notch Filter
Reference Input Voltage: 0.1V to V
CC
Live Zero—Extended Input Range Accommodates
12.5% Overrange and Underrange
Single Supply 2.7V to 5.5V Operation
Low Supply Current (200µA) and Auto Shutdown
The LTC
®
2404/LTC2408 are 4-/8-channel 2.7V to 5.5V
micropower 24-bit A/D converters with an integrated
oscillator, 4ppm INL and 0.3ppm RMS noise. They use
delta-sigma technology and provide single cycle digital
filter settling time (no latency delay) for multiplexed
applications. The first conversion after the channel is
changed is always valid. Through a single pin the LTC2404/
LTC2408 can be configured for better than 110dB rejec-
tion at 50Hz or 60Hz
±2%,
or can be driven by an external
oscillator for a user defined rejection frequency in the
range 1Hz to 120Hz. The internal oscillator requires no
external frequency setting components.
The converters accept any external reference voltage from
0.1V to V
CC
. With their extended input conversion range of
–12.5% V
REF
to 112.5% V
REF
the LTC2404/LTC2408
smoothly resolve the offset and overrange problems of
preceding sensors or signal conditioning circuits.
The LTC2404/LTC2408 communicate through a flexible
4-wire digital interface which is compatible with SPI and
MICROWIRE
TM
protocols.
, LTC and LT are registered trademarks of Linear Technology Corporation.
No Latency
∆Σ
is a trademark of Linear Technology Corporation.
MICROWIRE is a trademark of National Semiconductor Corporation.
APPLICATIO S
s
s
s
s
s
s
s
s
Weight Scales
Direct Temperature Measurement
Gas Analyzers
Strain Gauge Transducers
Instrumentation
Data Acquisition
Industrial Process Control
6-Digit DVMs
TYPICAL APPLICATIO
7
MUXOUT
9 CH0
10 CH1
11 CH2
ANALOG
INPUTS
–0.12V
REF
TO
1.12V
REF
12 CH3
4-/8-CHANNEL
13 CH4*
MUX
14 CH5*
15 CH6*
17 CH7*
0.1V TO V
CC
4
ADCIN
3
2, 8
V
REF
V
CC
CSADC
CSMUX
24-BIT
∆Σ
ADC
SCK
CLK
D
IN
SDO
LTC2404/LTC2408
GND
1, 5, 6, 16, 18, 22, 27, 28
*THESE PINS ARE NO CONNECTS ON THE LTC2404
F
O
2404/08 TA01
2.7V TO 5.5V
1µF
SERIAL DATA LINK
MICROWIRE AND
SPI COMPATABLE
LINEARITY ERROR (ppm)
23
20
19
25
21
24
MPU
V
CC
26
= INTERNAL OSC/50Hz REJECTION
= EXTERNAL CLOCK SOURCE
= INTERNAL OSC/60Hz REJECTION
U
Total Unadjusted Error vs Output Code
10
8
6
4
2
0
–2
–4
–6
–8
–10
0
8,338,608
OUTPUT CODE (DECIMAL)
16,777,215
2404/08 TA02
U
U
V
DD
= 5V
V
REF
= 5V
T
A
= 25°C
F
O
= LOW
1

LTC2404IG Related Products

LTC2404IG LTC2408CG#TR LTC2404CG#TR
Description Analog to Digital Converters - ADC LTC2404 - 4-/8-Channel 24-Bit - Power No Latency Delta-Sigma ADC Analog to Digital Converters - ADC LTC2408 - 4-/8-Channel 24-Bit - Power No Latency Delta-Sigma ADC Analog-to-Digital Converter - ADC LTC2404 - 4-/8-Channel 24-Bit - Power No Latency Delta-Sigma ADC
Is it Rohs certified? incompatible incompatible incompatible
Maker ADI ADI ADI
package instruction 0.209 INCH, PLASTIC, SSOP-28 0.209 INCH, PLASTIC, SSOP-28 0.209 INCH, PLASTIC, SSOP-28
Reach Compliance Code not_compliant not_compliant not_compliant
ECCN code EAR99 EAR99 EAR99
Is Samacsys N N N
Maximum analog input voltage 6.1875 V 6.1875 V 6.1875 V
Minimum analog input voltage -0.0125 V -0.0125 V -0.0125 V
Maximum conversion time 163200 µs 163200 µs 163200 µs
Converter type ADC, DELTA-SIGMA ADC, DELTA-SIGMA ADC, DELTA-SIGMA
JESD-30 code R-PDSO-G28 R-PDSO-G28 R-PDSO-G28
JESD-609 code e0 e0 e0
length 10.2 mm 10.2 mm 10.2 mm
Humidity sensitivity level 1 1 1
Number of analog input channels 4 8 4
Number of digits 24 24 24
Number of functions 1 1 1
Number of terminals 28 28 28
Maximum operating temperature 85 °C 70 °C 70 °C
Output bit code BINARY BINARY BINARY
Output format SERIAL SERIAL SERIAL
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SSOP SSOP SSOP
Package shape RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 235 235 235
Certification status Not Qualified Not Qualified Not Qualified
Maximum seat height 2 mm 2 mm 2 mm
Nominal supply voltage 3 V 3 V 5 V
surface mount YES YES YES
Temperature level INDUSTRIAL COMMERCIAL COMMERCIAL
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form GULL WING GULL WING GULL WING
Terminal pitch 0.65 mm 0.65 mm 0.65 mm
Terminal location DUAL DUAL DUAL
Maximum time at peak reflow temperature 20 20 20
width 5.3 mm 5.3 mm 5.3 mm
Base Number Matches 1 1 1
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