参数资料
型号: DC575A
厂商: Linear Technology
文件页数: 1/48页
文件大小: 0K
描述: BOARD DELTA SIGMA ADC LTC2410
软件下载: QuikEval System
设计资源: DC575A Design File
DC575A Schematic
标准包装: 1
系列: QuikEval™
ADC 的数量: 2
位数: 24
采样率(每秒): 7.5
数据接口: MICROWIRE?,串行,SPI?
工作温度: 0°C ~ 70°C
已用 IC / 零件: LTC2410
已供物品:
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LTC2410
1
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 VCC for flexible ratiometric and
remote sensing measurement configurations. The full-
scale differential input range is from – 0.5VREF to 0.5VREF.
The reference common mode voltage, VREFCM, and the
input common mode voltage, VINCM, may be indepen-
dently set anywhere within the GND to VCC 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.
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
s
6-Digit DVMs
, LTC and LT are registered trademarks of Linear Technology Corporation.
s
Differential Input and Differential Reference with
GND to VCC Common Mode Range
s
2ppm INL, No Missing Codes
s
2.5ppm Full-Scale Error
s
0.1ppm Offset
s
0.16ppm Noise
s
Single Conversion Settling Time for Multiplexed
Applications
s
Internal Oscillator—No External Components
Required
s
110dB Min, 50Hz or 60Hz Notch Filter
s
24-Bit ADC in Narrow SSOP-16 Package
(SO-8 Footprint)
s
Single Supply 2.7V to 5.5V Operation
s
Low Supply Current (200
A) and Auto Shutdown
s
Fully Differential Version of LTC2400
24-Bit No Latency
ΣTM ADC
with Differential Input and
Differential Reference
No Latency
Σ is a trademark of Linear Technology Corporation.
MICROWIRE is a trademark of National Semiconductor Corporation.
VCC
FO
REF+
REF
SCK
IN+
IN
SDO
GND
CS
214
3
4
13
5
6
12
1, 7, 8, 9, 10, 15, 16
11
REFERENCE
VOLTAGE
0.1V TO VCC
ANALOG INPUT RANGE
–0.5VREF TO 0.5VREF
= INTERNAL OSC/50Hz REJECTION
= EXTERNAL CLOCK SOURCE
= INTERNAL OSC/60Hz REJECTION
3-WIRE
SPI INTERFACE
1
F
2.7V TO 5.5V
LTC2410
2410 TA01
VCC
LTC2410
IN+
REF+ VCC
REF
VCC
GND
FO
IN
1
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
TO 10k
APPLICATIO S
U
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO S
U
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