參數(shù)資料
型號： DC745A
廠商： Linear Technology
文件頁數(shù)： 1/28頁
文件大?。?/td> 0K
描述： BOARD DELTA SIGMA ADC LTC2433-1
軟件下載： QuikEval System
設(shè)計資源： DC745A Design File
DC745A Schematic
標(biāo)準(zhǔn)包裝： 1
系列： QuikEval™
ADC 的數(shù)量： 2
位數(shù)： 16
采樣率（每秒）： 6.8
數(shù)據(jù)接口： MICROWIRE?，串行，SPI?
工作溫度： 0°C ~ 70°C
已用 IC / 零件： LTC2433-1
已供物品： 板
相關(guān)產(chǎn)品： LTC2433-1IMS#PBF-ND - IC ADC DIFF 16BIT 3WIRE 10-MSOP
LTC2433-1CMS#TRPBF-ND - IC ADC DIFF 16BIT 3WIRE 10-MSOP
LTC2433-1IMS#TRPBF-ND - IC ADC DIFF 16BIT 3WIRE 10-MSOP
LTC2433-1CMS#PBF-ND - IC ADC DIFF 16BIT 3WIRE 10-MSOP
LTC2433-1IMS#TR-ND - IC CONV A/D 16BIT DIFF 10-MSOP
LTC2433-1CMS#TR-ND - IC CONV A/D 16BIT DIFF 10-MSOP
LTC2433-1IMS-ND - IC CONV A/D 16BIT DIFF 10-MSOP
LTC2433-1CMS-ND - IC ADC DIFF 16BIT 3WIRE 10-MSOP
LTC2433-1
1
24331fa
The LTC
2433-1 is a differential input micropower 16-bit
No Latency
ΣTM analog-to-digital converter with an inte-
grated oscillator. It provides 0.12LSB INL and 1.45
V
RMS noise independent of VREF. It uses delta-sigma
technology and provides single conversion settling of the
digital filter. Through a single pin, the LTC2433-1 can be
configured for better than 87dB input differential mode
rejection at 50Hz and 60Hz
±2%, or it can be driven by an
external oscillator for a user defined rejection frequency.
The internal oscillator requires no external frequency
setting components.
The converter accepts any external differential reference
voltage from 0.1V to VCC for flexible ratiometric and
remote sensing measurement configurations. The full-
scale differential input range is from – 0.5 VREF to 0.5
VREF. The reference common mode voltage, VREFCM, and
the input common mode voltage, VINCM, may be indepen-
dently set anywhere between GND and VCC. The DC
common mode input rejection is better than 140dB.
The LTC2433-1 communicates through a flexible 3-wire
digital interface which is compatible with SPI and
MICROWIRE
TM protocols.
s
Direct Sensor Digitizer
s
Weight Scales
s
Direct Temperature Measurement
s
Gas Analyzers
s
Strain-Gage Transducers
s
Instrumentation
s
Data Acquisition
s
Industrial Process Control
, LTC and LT are registered trademarks of Linear Technology Corporation.
s
16-Bit Differential ADC in a Tiny MSOP
s
Low Supply Current: 200
A, 4A in Autosleep
s
Rail-to-Rail Differential Input/Reference
s
0.12LSB INL, No Missing Codes
s
0.16LSB Full-Scale Error and 5
V Offset
s
1.45
V RMS Noise, Independent of VREF
s
Very Low Transition Noise: <0.02LSB
s
Operates with a Reference as Low as 100mV with
16-Bit Resolution
s
Internal Oscillator—No External Components
Required
s
87dB Min, Simultaneous 50Hz and 60Hz Notch Filter
s
Single Supply 2.7V to 5.5V Operation
s
Pin Compatible with the 20/24-Bit LTC2431/LTC2411
s
Available in 10-Lead MSOP Package
Differential Input
16-Bit No Latency
Σ ADC
No Latency
Σ is a trademark of Linear Technology Corporation.
MICROWIRE is a trademark of National Semiconductor Corporation.
Minimum Resolvable Signal vs VREF
VCC
REF+
FO
IN+
IN–
SCK
REF–
SDO
GND
CS
110
4
9
3
5
6
8
7
24331 TA01
2
= EXTERNAL CLOCK SOURCE
= INTERNAL OSC/SIMULTANEOUS
50Hz/60Hz REJECTION
3-WIRE
SPI INTERFACE
1
F
(100mV)
4.9k
100
5V REF
LTC2433-1
VREF (V)
0
*FOR VREF ≥ 0.5V THE RESOLUTION
IS LIMITED BY STEP SIZE
0
MINIMUM
RESOLVABLE
SIGNAL
(
V)*
10
30
40
50
2
4
5
90
24331 TA02
20
13
60
70
80
APPLICATIO S
U
DESCRIPTIO
U
FEATURES
TYPICAL APPLICATIO
U
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