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參數(shù)資料
| 型號： | LTC2439-1 |
| 廠商： | Linear Technology Corporation |
| 元件分類： | ADC |
| 英文描述： | 8-/16-Channel 16-Bit No Latency Delta-Sigma ADC |
| 中文描述： | 8-/16-Channel 16位無延遲增量累加模數(shù)轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/28頁 |
| 文件大?。?/td> | 288K |
| 代理商： | LTC2439-1 |
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LTC2439-1
8-/16-Channel
1
24391f
16-Bit No Latency
Σ
TM
ADC
DESCRIPTIOU
FEATURES
APPLICATIU
I
Direct Sensor Digitizer
I
Weight Scales
I
Direct Temperature Measurement
I
Gas Analyzers
I
Strain Gauge Transducers
I
Instrumentation
I
Data Acquisition
I
Industrial Process Control
TYPICAL APPLICATIOU
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
μ
V RMS noise. It uses delta-
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 V
CC
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 –0.5V
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 between GND and V
CC
. 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.
, 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-Channel Single-Ended or 8-Channel Differential
Inputs
I
Low Supply Current (200
μ
A, 4
μ
A in Autosleep)
I
Rail-to-Rail Differential Input/Reference
I
16-Bit No Missing Codes
I
1
μ
V RMS Noise, 16-ENOBS Independent of V
REF
I
Very Low Transition Noise: Less Than 0.02LSB
I
Operates with a Reference as Low as 100mV with
1.5
μ
V LSB Step Size
I
Guaranteed Modulator Stability and Lock-Up
Immunity for Any Input and Reference Conditions
I
Single Supply 2.7V to 5.5V Operation
I
Internal Oscillator—No External Components
Required
I
87dB Min, 50Hz and 60Hz Simultaneous Notch Filter
I
Pin Compatible with the 24-Bit LTC2418
I
28-Lead SSOP Package
Minimum Resolvable
Signal vs V
REF
SDI
SCK
SDO
CS
F
O
REF
+
V
CC
9
11
2.7V TO 5.5V
20
18
17
16
19
1
μ
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
CH7
CH8
21
22
28
1
CH15
8
16-CHANNEL
MUX
V
(V)
0
*FOR V
REF
= 0.4V RESOLUTION IS LIMITED BY STEP SIZE
0
M
μ
V
10
30
40
50
2
4
5
90
24361 TA02
20
1
3
60
70
80
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC2439-1IGN | 8-/16-Channel 16-Bit No Latency Delta-Sigma ADC |
| LTC2440CGN | 24-Bit High Speed Differential delta-sigma ADC with Selectable Speed/Resolution |
| LTC2440IGN | 24-Bit High Speed Differential delta-sigma ADC with Selectable Speed/Resolution |
| LTC2444 | 24-Bit High Speed 8-/16-Channel ADCs with Selectable Speed/Resolution |
| LTC2444C | 24-Bit High Speed 8-/16-Channel ADCs with Selectable Speed/Resolution |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC2439-1CGN | 功能描述:IC ADC 16BIT 16CH MCRPWR 28SSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)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(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
| LTC2439-1CGN#PBF | 功能描述:IC ADC 16BIT 16CH MCRPWR 28SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)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(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
| LTC2439-1CGN#TR | 功能描述:IC ADC 16BIT 16CH MCRPWR 28SSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)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(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
| LTC2439-1CGN#TRPBF | 功能描述:IC ADC 16BIT 16CH MCRPWR 28SSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)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(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
| LTC24391IGN | 制造商:Linear Technology 功能描述: |
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