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參數(shù)資料
| 型號(hào)： | LTC2433-1IMS |
| 廠商： | Linear Integrated Systems |
| 英文描述： | Differential Input 16-Bit No Latency DS ADC |
| 中文描述： | 差分輸入16位ADC的無(wú)延遲局副局長(zhǎng) |
| 文件頁(yè)數(shù)： | 1/28頁(yè) |
| 文件大?。?/td> | 298K |
| 代理商： | LTC2433-1IMS |
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LTC2433-1
1
24331fa
The LTC
2433-1 is a differential input micropower 16-bit
No Latency
Σ
TM
analog-to-digital converter with an inte-
grated oscillator. It provides 0.12LSB INL and 1.45
μ
V
RMS noise independent of V
REF
. 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 V
CC
for flexible ratiometric and
remote sensing measurement configurations. The full-
scale differential input range is from –0.5 V
REF
to 0.5
V
REF
. The reference common mode voltage, V
REFCM
, and
the input common mode voltage, V
INCM
, may be indepen-
dently set anywhere between GND and V
CC
. 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.
I
Direct Sensor Digitizer
I
Weight Scales
I
Direct Temperature Measurement
I
Gas Analyzers
I
Strain-Gage Transducers
I
Instrumentation
I
Data Acquisition
I
Industrial Process Control
, 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.
I
16-Bit Differential ADC in a Tiny MSOP
I
Low Supply Current: 200
μ
A, 4
μ
A in Autosleep
I
Rail-to-Rail Differential Input/Reference
I
0.12LSB INL, No Missing Codes
I
0.16LSB Full-Scale Error and 5
μ
V Offset
I
1.45
μ
V RMS Noise, Independent of V
REF
I
Very Low Transition Noise: <0.02LSB
I
Operates with a Reference as Low as 100mV with
16-Bit Resolution
I
Internal Oscillator—No External Components
Required
I
87dB Min, Simultaneous 50Hz and 60Hz Notch Filter
I
Single Supply 2.7V to 5.5V Operation
I
Pin Compatible with the 20/24-Bit LTC2431/LTC2411
I
Available in 10-Lead MSOP Package
APPLICATIU
Differential Input
16-Bit No Latency
Σ
ADC
Minimum Resolvable Signal vs V
REF
V
CC
REF
+
IN
+
LTC2433-1
F
O
IN
–
SCK
REF
–
SDO
GND
CS
1
2
10
4
9
3
5
6
8
7
24331 TA01
= EXTERNAL CLOCK SOURCE
= INTERNAL OSC/SIMULTANEOUS
50Hz/60Hz REJECTION
3-WIRE
SPI INTERFACE
1
μ
F
(100mV)
4.9k
100
5V REF
V
REF
(V)
0
*FOR V
≥
0.5V THE RESOLUTION
IS LIMITED BY STEP SIZE
0
M
μ
V
10
30
40
50
2
4
5
90
24331 TA02
20
1
3
60
70
80
DESCRIPTIOU
FEATURES
TYPICAL APPLICATIO
U
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