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參數(shù)資料
| 型號： | ADS1202 |
| 英文描述： | Motor Control Current Shunt 1-Bit, 10MHz, 2nd-Order, Delta-Sigma Modulator |
| 中文描述： | 電機控制電流并聯(lián)1位，10MHz的，第二階Δ-Σ調(diào)制器 |
| 文件頁數(shù)： | 1/21頁 |
| 文件大小： | 311K |
| 代理商： | ADS1202 |
ADS1202
SBAS275 – DECEMBER 2002
www.ti.com
DESCRIPTION
The ADS1202 is a precision, 80dB dynamic range, delta-
sigma (
∑
) modulator operating from a single +5V supply.
The differential inputs are ideal for direct connections to
transducers or low-level signals. With the appropriate digital
filter and modulator rate, the device can be used to achieve
16-bit Analog-to-Digital (A/D) conversion with no missing
codes. Effective resolution of 12 bits can be maintained with
a digital filter bandwidth of 10kHz at a modulator rate of
10MHz. The ADS1202 is designed for use in medium reso-
lution measurement applications including current measure-
ments, smart transmitters, industrial process control, weigh
scales, chromatography, and portable instrumentation. It is
available in a TSSOP-8 package.
FEATURES
G
16-BIT RESOLUTION
G
13-BIT LINEARITY
G
RESOLUTION/SPEED TRADE-OFF:
10-Bit Effective Resolution with 20
μ
s Signal
Delay (12-bit with 77
μ
s)
G
±
250mV INPUT RANGE WITH SINGLE 5V SUPPLY
G
2% INTERNAL REFERENCE VOLTAGE
G
2% GAIN ERROR
G
FLEXIBLE SERIAL INTERFACE WITH FOUR
DIFFERENT MODES
G
IMPLEMENTED TWINNED BINARY CODING AS
SPLIT PHASE OR MANCHESTER CODING FOR
ONE LINE INTERFACING
G
OPERATING TEMPERATURE RANGE:
–40
°
C to +85
°
C
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 2002, Texas Instruments Incorporated
Motor Control Current Shunt
1-Bit, 10MHz, 2nd-Order, Delta-Sigma Modulator
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.
APPLICATIONS
G
MOTOR CONTROL
G
CURRENT MEASUREMENT
G
INDUSTRIAL PROCESS CONTROL
G
INSTRUMENTATION
G
SMART TRANSMITTERS
G
PORTABLE INSTRUMENTS
G
WEIGHT SCALES
G
PRESSURE TRANSDUCERS
Buffer
Reference
Voltage
2.5V
2nd-Order
∑
Modulator
RC Oscillator
20MHz
Interface
Circuit
MDAT
MCLK
M0
M1
V
IN+
V
IN
–
V
DD
GND
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS1202EVM | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADS1202 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| ADS1202I | 制造商:BB 制造商全稱:BB 功能描述:Motor Control Current Shunt 1-Bit, 10MHz, 2nd-Order, Delta-Sigma Modulator |
| ADS1202IPWR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Current Shunt D-S Modulator 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 |
| ADS1202IPWRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Current Shunt D-S Modulator 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 |
| ADS1202IPWT | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Current Shunt D-S Modulator 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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