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參數(shù)資料
| 型號(hào)： | ADS1240E |
| 廠商： | Texas Instruments |
| 文件頁(yè)數(shù)： | 1/30頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 24-BIT SER PROGBL 24-SSOP |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Basics |
| 視頻文件： | Nuts and Bolts of the Delta-Sigma Converter |
| 標(biāo)準(zhǔn)包裝： | 60 |
| 位數(shù)： | 24 |
| 采樣率（每秒）： | 15 |
| 數(shù)據(jù)接口： | 串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 1.9mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 24-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-SSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類(lèi)型： | 4 個(gè)單端，單極；2 個(gè)差分，單極 |
| 產(chǎn)品目錄頁(yè)面： | 889 (CN2011-ZH PDF) |
| 其它名稱(chēng)： | 296-9301-5 296-9301-5-ND |
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24-Bit
ANALOG-TO-DIGITAL CONVERTER
FEATURES
q 24 BITS NO MISSING CODES
q SIMULTANEOUS 50Hz AND 60Hz REJECTION
(–90dB MINIMUM)
q 0.0015% INL
q 21 BITS EFFECTIVE RESOLUTION
(PGA = 1), 19 BITS (PGA = 128)
q PGA GAINS FROM 1 TO 128
q SINGLE CYCLE SETTLING
q PROGRAMMABLE DATA OUTPUT RATES
q EXTERNAL DIFFERENTIAL REFERENCE
OF 0.1V TO 5V
q ON-CHIP CALIBRATION
q SPI COMPATIBLE
q 2.7V TO 5.25V SUPPLY RANGE
q 600
W POWER CONSUMPTION
q UP TO EIGHT INPUT CHANNELS
q UP TO EIGHT DATA I/O
DESCRIPTION
The ADS1240 and ADS1241 are precision, wide dynamic range,
delta-sigma, Analog-to-Digital (A/D) converters with 24-bit resolution
operating from 2.7V to 5.25V power supplies. The delta-sigma A/D
converter provides up to 24 bits of no missing code performance and
effective resolution of 21 bits.
The input channels are multiplexed. Internal buffering can be
selected to provide very high input impedance for direct connection
to transducers or low-level voltage signals. Burnout current sources
are provided that allow for detection of an open or shorted sensor.
An 8-bit Digital-to-Analog (D/A) converter provides an offset cor-
rection with a range of 50% of the Full-Scale Range (FSR).
The Programmable Gain Amplifier (PGA) provides selectable gains of
1 to 128, with an effective resolution of 19 bits at a gain of 128. The
A/D conversion is accomplished with a 2nd-order delta-sigma modu-
lator and programmable Finite-Impulse Response (FIR) filter that
provides a simultaneous 50Hz and 60Hz notch. The reference input
is differential and can be used for ratiometric conversion.
The serial interface is SPI compatible. Up to eight bits of data
I/O are also provided that can be used for input or output. The
ADS1240 and ADS1241 are designed for high-resolution measure-
ment applications in smart transmitters, industrial process control,
weigh scales, chromatography, and portable instrumentation.
APPLICATIONS
q INDUSTRIAL PROCESS CONTROL
q WEIGH SCALES
q LIQUID /GAS CHROMATOGRAPHY
q BLOOD ANALYSIS
q SMART TRANSMITTERS
q PORTABLE INSTRUMENTATION
BUF
PGA
A = 1:128
+
Clock Generator
Serial Interface
2nd-Order
Modulator
AGND
AV
DD
V
REF+ VREF–
X
IN
X
OUT
DSYNC
PDWN
RESET
DRDY
BUFEN
DGND
DV
DD
SCLK
POL
D
IN
D
OUT
CS
MUX
A
IN0/D0
A
IN1/D1
A
IN2/D2
A
IN3/D3
A
IN4/D4
A
IN5/D5
A
IN6/D6
A
IN7/D7
A
INCOM
Controller
Registers
Digital
Filter
2
A
AV
DD
Offset
DAC
AGND
2
A
ADS1241
Only
ADS1
241
ADS1
240
ADS1240
ADS1241
SBAS173F – JUNE 2001 – REVISED OCTOBER 2013
www.ti.com
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright 2001-2006, Texas Instruments Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks property of their respective owners.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS1240E | 制造商:Texas Instruments 功能描述:IC 24BIT ADC SMD 1240 SSOP24 制造商:Texas Instruments 功能描述:IC, 24BIT ADC, SMD, 1240, SSOP24 制造商:Texas Instruments 功能描述:IC, 24BIT ADC, SMD, 1240, SSOP24; Resolution (Bits):24bit; Sampling Rate:15SPS; Supply Voltage Type:Single; Supply Voltage Min:2.7V; Supply Voltage Max:5.25V; Supply Current:760A; Digital IC Case Style:SSOP; No. of Pins:24; Input ;RoHS Compliant: Yes |
| ADS1240E/1K | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-Bit Anlg-to-Dig Converter RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類(lèi)型:Differential 信噪比:107 dB 接口類(lèi)型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS1240E/1KG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-Bit Anlg-to-Dig Converter RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類(lèi)型:Differential 信噪比:107 dB 接口類(lèi)型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS1240EG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-Bit Anlg-to-Dig Converter RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類(lèi)型:Differential 信噪比:107 dB 接口類(lèi)型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ADS1241 | 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:24-Bit ANALOG-TO-DIGITAL CONVERTER |
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