參數(shù)資料
型號: LTC2415-1IGN#TRPBF
廠商: Linear Technology
文件頁數(shù): 1/40頁
文件大小: 0K
描述: IC ADC 24BIT DIFFINPUT/REF16SSOP
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 24
采樣率(每秒): 13.75
數(shù)據(jù)接口: MICROWIRE?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 1mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個(gè)差分,雙極
LTC2415/LTC2415-1
1
sn2415 24151fs
s
2
××××× Speed Up Version of the LTC2410/LTC2413:
15Hz Output Rate, 50Hz or 60Hz Notch—LTC2415;
13.75Hz Output Rate, Simultaneous 50Hz/60Hz
Notch—LTC2415-1
s
Differential Input and Differential Reference with
GND to VCC Common Mode Range
s
2ppm INL, No Missing Codes
s
2.5ppm Gain Error
s
0.23ppm Noise
s
Single Conversion Settling Time for Multiplexed
Applications
s
Internal Oscillator—No External Components
Required
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
The LTC
2415/2415-1 are micropower 24-bit differential
Σ analog to digital converters with integrated oscillator,
2ppm INL, 0.23ppm RMS noise and a 2.7V to 5.5V supply
range. They use delta-sigma technology and provide
single cycle settling time for multiplexed applications.
Through a single pin, the LTC2415 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
LTC2415-1 can be configured for better than 87dB input
differential mode rejection over the range of 49Hz to
61.2Hz (50Hz and 60Hz
±2% simultaneously). The inter-
nal oscillator requires no external frequency setting com-
ponents.
The converters accept 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
LTC2415/LTC2415-1. The DC common mode input rejec-
tion is better than 140dB.
The LTC2415/LTC2415-1 communicate through a flexible
3-wire digital interface which is compatible with SPI and
MICROWIRE
TM protocols.
, LTC and LT are registered trademarks of Linear Technology Corporation.
24-Bit No Latency
ΣTM
ADCs 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 (LTC2415)
= EXTERNAL CLOCK SOURCE
= INTERNAL OSC/60Hz REJECTION (LTC2415)
= INTERNAL 50Hz/60Hz REJECTION (LTC2415-1)
3-WIRE
SPI INTERFACE
1
F
2.7V TO 5.5V
LTC2415/
LTC2415-1
2415 TA01
VCC
LTC2415/
LTC2415-1
IN+
REF+ VCC
REF
VCC
GND
FO
IN
1
F
SDO
3-WIRE
SPI INTERFACE
SCK
2415 TA02
CS
12
3
2
1, 7, 8
9, 10,
15, 16
14
5
6
4
13
11
BRIDGE
IMPEDANCE
100
TO 10k
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO S
U
APPLICATIO S
U
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
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