參數(shù)資料
型號: LTC2410IGN
廠商: LINEAR TECHNOLOGY CORP
元件分類: ADC
英文描述: 24-Bit No Latency ADC with Differential Input and Differential Reference
中文描述: 1-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16
封裝: 0.150 INCH, PLASTIC, SSOP-16
文件頁數(shù): 1/44頁
文件大?。?/td> 778K
代理商: LTC2410IGN
LTC2410
1
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
The LTC
2410 is a 2.7V to 5.5V micropower 24-bit
differential
Σ
analog to digital converter with an inte-
grated oscillator, 2ppm INL and 0.16ppm RMS noise. It
uses delta-sigma technology and provides single cycle
settling time for multiplexed applications. Through a
single pin, the LTC2410 can be configured for better than
110dB input differential mode rejection at 50Hz or 60Hz
±
2%, or it can be driven by an external oscillator for a user
defined rejection frequency. The internal oscillator re-
quires 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 –0.5V
REF
to 0.5V
REF
.
The reference common mode voltage, V
REFCM
, and the
input common mode voltage, V
INCM
, may be indepen-
dently set anywhere within the GND to V
CC
range of the
LTC2410. The DC common mode input rejection is better
than 140dB.
The LTC2410 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
I
6-Digit DVMs
, 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
Differential Input and Differential Reference with
GND to V
CC
Common Mode Range
I
2ppm INL, No Missing Codes
I
2.5ppm Full-Scale Error
I
0.1ppm Offset
I
0.16ppm Noise
I
Single Conversion Settling Time for Multiplexed
Applications
I
Internal Oscillator—No External Components
Required
I
110dB Min, 50Hz/60Hz Notch Filter
I
24-Bit ADC in Narrow SSOP-16 Package
(SO-8 Footprint)
I
Single Supply 2.7V to 5.5V Operation
I
Low Supply Current (200
μ
A) and Auto Shutdown
I
Fully Differential Version of LTC2400
APPLICATIOU
FEATURES
DESCRIPTIO
U
24-Bit No Latency
Σ
TM
ADC
with Differential Input and
Differential Reference
April 2000
Final Electrical Specifications
V
CC
F
O
REF
+
REF
SCK
IN
+
IN
GND
SDO
CS
2
14
3
4
13
5
6
12
1, 7, 8, 9, 10, 15, 16
11
REFERENCE
VOLTAGE
0.1V TO V
CC
ANALOG INPUT RANGE
–0.5V
REF
TO 0.5V
REF
= INTERNAL OSC/50Hz REJECTION
= EXTERNAL CLOCK SOURCE
= INTERNAL OSC/60Hz REJECTION
3-WIRE
SPI INTERFACE
1
μ
F
2.7V TO 5.5V
LTC2410
2410 TA01
V
CC
LTC2410
IN
+
IN
REF
+
V
CC
REF
V
CC
GND
F
O
1
μ
F
SDO
3-WIRE
SPI INTERFACE
SCK
2410 TA02
CS
12
3
2
1, 7, 8
9, 10,
15, 16
14
5
6
4
13
11
BRIDGE
IMPEDANCE
100
TO10k
TYPICAL APPLICATIO S
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