參數(shù)資料
型號(hào)： ADS1286PA
元件分類： ADC
英文描述： Analog-to-Digital Converter??? 12-Bit
中文描述： 12位模數(shù)轉(zhuǎn)換器
文件頁(yè)數(shù)： 1/42頁(yè)
文件大小： 872K
代理商： ADS1286PA
22-Bit ANALOG-TO-DIGITAL CONVERTER
FEATURES
G
DELTA-SIGMA A/D CONVERTER
G
22 BITS NO MISSING CODES
G
20 BITS EFFECTIVE RESOLUTION AT 10Hz
AND 16 BITS AT 1000Hz
G
LOW POWER: 1.4mW
G
DIFFERENTIAL INPUTS
G
PROGRAMMABLE GAIN AMPLIFIER
G
SPI COMPATIBLE SSI INTERFACE
G
PROGRAMMABLE CUTOFF FREQUENCY
UP TO 6.25kHz
G
INTERNAL/EXTERNAL REFERENCE
G
ON-CHIP SELF-CALIBRATION
G
ADS1213 INCLUDES 4-CHANNEL MUX
DESCRIPTION
The ADS1212 and ADS1213 are precision, wide dynamic
range, delta-sigma Analog-to-Digital (A/D) converters with
24-bit resolution operating from a single +5V supply. The
differential inputs are ideal for direct connection to trans-
ducers or low-level voltage signals. The delta-sigma archi-
tecture is used for wide dynamic range and to guarantee 22
bits of no missing code performance. An effective resolu-
tion of 20 bits is achieved through the use of a very low-
noise input amplifier at conversion rates up to 10Hz. Effec-
tive resolutions of 16 bits can be maintained up to a sample
rate of 1kHz through the use of the unique Turbo Modulator
mode of operation. The dynamic range of the converters is
further increased by providing a low-noise programmable
gain amplifier with a gain range of 1 to 16 in binary steps.
The ADS1212 and ADS1213 are designed for high-resolu-
tion measurement applications in smart transmitters, indus-
trial process control, weigh scales, chromatography and
portable instrumentation. Both converters include a flexible
synchronous serial interface which is SPI compatible and
also offers a two-wire control mode for low-cost isolation.
The ADS1212 is a single channel converter and is offered in
both DIP-18 and SO-18 packages. The ADS1213 includes a
4-channel input multiplexer and is available in DIP-24,
SO-24, and SSOP-28 packages.
APPLICATIONS
G
INDUSTRIAL PROCESS CONTROL
G
INSTRUMENTATION
G
BLOOD ANALYSIS
G
SMART TRANSMITTERS
G
PORTABLE INSTRUMENTS
G
WEIGH SCALES
G
PRESSURE TRANSDUCERS
ADS1212
ADS1213
ADS1212
ADS1213
ADS1213
ADS1212
ADS1213
PGA
+2.5V
Reference
+3.3V Bias
Generator
Clock Generator
Serial Interface
Second-Order
∑
Modulator
Instruction Register
Command Register
Data Output Register
Offset Register
Full-Scale Register
Third-Order
Digital Filter
Micro Controller
Modulator Control
AGND
AV
DD
REF
OUT
REF
IN
V
BIAS
X
IN
X
OUT
MODE
DSYNC
CS
DRDY
A
IN
P
A
IN
N
SCLK
SDIO
SDOUT
DGND
DV
DD
MUX
ADS1213 Only
ADS1212, 1213
A
IN
1P
A
IN
1N
A
IN
2P
A
IN
2N
A
IN
3P
A
IN
3N
A
IN
4P
A
IN
4N
PATENTS PENDING
www.ti.com
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
Copyright 1996, 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.
SBAS064A – NOVEMBER 2000
相關(guān)PDF資料
PDF描述
ADS1286PB Analog-to-Digital Converter??? 12-Bit
ADS1286PC Analog-to-Digital Converter??? 12-Bit
ADS1286PK Analog-to-Digital Converter??? 12-Bit
ADS1286PL Analog-to-Digital Converter??? 12-Bit
ADS1286U Analog-to-Digital Converter??? 12-Bit
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS1286PA 制造商:BURR-BROWN 功能描述:IC 12BIT ADC 1286 DIP8 制造商:Texas Instruments 功能描述:Analog-Digital Converter IC Number of Bi
ADS1286PAG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12B Micro Pwr Sampling ADC 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 輸入類型:Differential 信噪比:107 dB 接口類型: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
ADS1286PB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit Micro Power Sampling 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 輸入類型:Differential 信噪比:107 dB 接口類型: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
ADS1286PBG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit Micro Power Sampling 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 輸入類型:Differential 信噪比:107 dB 接口類型: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
ADS1286PC 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit Micro Power Sampling 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 輸入類型:Differential 信噪比:107 dB 接口類型: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
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