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參數資料
型號: LTC2439-1IGN#TRPBF
廠商: Linear Technology
文件頁數: 1/28頁
文件大小: 0K
描述: IC ADC 16BIT 16CH MCRPWR 28SSOP
標準包裝: 2,500
位數: 16
采樣率(每秒): 6.8
數據接口: MICROWIRE?,串行,SPI?
轉換器數目: 1
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: 28-SSOP(0.154",3.90mm 寬)
供應商設備封裝: 28-SSOP
包裝: 帶卷 (TR)
輸入數目和類型: 16 個單端,雙極;8 個差分,雙極
配用: DC790A-ND - BOARD DELTA SIGMA ADC LTC2439-1
LTC2439-1
1
24391fa
8-/16-Channel
16-Bit No Latency
ΣTM ADC
FEATURES
APPLICATIO S
U
TYPICAL APPLICATIO
U
The LTC
2439-1 is a 16-channel (8-differential)
micropower 16-bit
Σ analog-to-digital converter. It op-
erates from 2.7V to 5.5V and includes an integrated
oscillator, 0.12LSB INL and 1
VRMSnoise.Itusesdelta-
sigma technology and provides single cycle settling time
for multiplexed applications. Through a single pin, the
LTC2439-1 can be configured for better than 87dB differ-
ential mode rejection at 50Hz and 60Hz
±2%, or it can be
driven by an external oscillator for a user-defined rejec-
tion frequency. The internal oscillator requires no external
frequency setting components.
The LTC2439-1 accepts any external differential reference
voltage from 0.1V to VCC for flexible ratiometric and remote
sensing measurement applications. It can be configured
to take 8 differential channels or 16 single-ended channels.
The full-scale bipolar input range is from – 0.5VREF to
0.5VREF.Thereferencecommonmodevoltage,VREFCM,and
the input common mode voltage, VINCM, may be indepen-
dently set between GND and VCC. The DC common mode
input rejection is better than 140dB.
The LTC2439-1 communicates through a flexible
4-wire digital interface that is compatible with SPI and
MICROWIRE
TM protocols.
Direct Sensor Digitizer
Weight Scales
Direct Temperature Measurement
Gas Analyzers
Strain Gauge Transducers
Instrumentation
Data Acquisition
Industrial Process Control
, LTC and LT are registered trademarks of Linear Technology Corporation.
16-Channel Single-Ended or 8-Channel Differential
Inputs
Low Supply Current (200
A, 4A in Autosleep)
Rail-to-Rail Differential Input/Reference
16-Bit No Missing Codes
1
V RMS Noise, 16-ENOBS Independent of VREF
Very Low Transition Noise: Less Than 0.02LSB
Operates with a Reference as Low as 100mV with
1.5
V LSB Step Size
Guaranteed Modulator Stability and Lock-Up
Immunity for Any Input and Reference Conditions
Single Supply 2.7V to 5.5V Operation
Internal Oscillator—No External Components
Required
87dB Min, 50Hz and 60Hz Simultaneous Notch Filter
Pin Compatible with the 24-Bit LTC2418
28-Lead SSOP Package
No Latency
Σ is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners.
Minimum Resolvable
Signal vs VREF
SDI
SCK
SDO
CS
FO
REF+
VCC
9
11
2.7V TO 5.5V
20
18
17
16
19
1
F
COM
REF
GND
10
THERMOCOUPLE
12
15
DIFFERENTIAL
16-BIT
Σ ADC
+
241418 TA01a
4-WIRE
SPI INTERFACE
LTC2439-1
= EXTERNAL OSCILLATOR
= 50Hz and 60Hz REJECTION
CH0
CH1
21
22
CH7
CH8
28
1
CH15
8
16-CHANNEL
MUX
VREF (V)
0
*FOR VREF = 0.4V RESOLUTION IS LIMITED BY STEP SIZE
0
MINIMUM
RESOLVABLE
SIGNAL
(
V)
10
30
40
50
2
4
5
90
24361 TA02
20
13
60
70
80
DESCRIPTIO
U
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相關代理商/技術參數
參數描述
LTC2440CGN 功能描述:IC ADC DIFFER 24-BIT HS 16-SSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:16 采樣率(每秒):45k 數據接口:串行 轉換器數目:2 功率耗散(最大):315mW 電壓電源:模擬和數字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC(0.295",7.50mm 寬) 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數目和類型:2 個單端,單極
LTC2440CGN#PBF 功能描述:IC ADC DIFFER 24-BIT HS 16-SSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:microPOWER™ 位數:8 采樣率(每秒):1M 數據接口:串行,SPI? 轉換器數目:1 功率耗散(最大):- 電壓電源:模擬和數字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應商設備封裝:24-VQFN 裸露焊盤(4x4) 包裝:Digi-Reel® 輸入數目和類型:8 個單端,單極 產品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6
LTC2440CGN#PBF 制造商:Linear Technology 功能描述:24BIT ADC DELTA SIG HS 16SSOP 制造商:Linear Technology 功能描述:24BIT ADC, DELTA SIG, HS, 16SSOP
LTC2440CGN#TR 功能描述:IC CONV A/D 24-BIT DIFF 16-SSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:16 采樣率(每秒):45k 數據接口:串行 轉換器數目:2 功率耗散(最大):315mW 電壓電源:模擬和數字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC(0.295",7.50mm 寬) 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數目和類型:2 個單端,單極
LTC2440CGN#TRPBF 功能描述:IC ADC DIFFER 24-BIT HS 16-SSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1,000 系列:- 位數:16 采樣率(每秒):45k 數據接口:串行 轉換器數目:2 功率耗散(最大):315mW 電壓電源:模擬和數字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC(0.295",7.50mm 寬) 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數目和類型:2 個單端,單極
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