- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄10425 > ADS1232IPWG4 (Texas Instruments)IC ADC 24-BIT 10/80SPS 24-TSSOP PDF資料下載
參數(shù)資料
| 型號： | ADS1232IPWG4 |
| 廠商： | Texas Instruments |
| 文件頁數(shù)： | 10/39頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 24-BIT 10/80SPS 24-TSSOP |
| 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）： | 10，80 |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 13.1mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 24-TSSOP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 4 個單端，單極；2 個差分，雙極 |
| 配用： | 296-20803-ND - EVALUATION MODULE FOR ADS1232 |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁當(dāng)前第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁
www.ti.com
DATA RATE
DATA READY/DATA OUTPUT (DRDY/DOUT)
SERIAL CLOCK INPUT (SCLK)
DATA FORMAT
SBAS350F – JUNE 2005 – REVISED FEBRUARY 2008
The ADS1232/4 data rate is set by the SPEED pin,
This digital output pin serves two purposes. First, it
as shown in Table 7. When SPEED is low, the data
indicates when new data are ready by going low.
rate is nominally 10SPS. This data rate provides the
Afterwards, on the first rising edge of SCLK, the
lowest noise, and also has excellent rejection of both
DRDY/DOUT
pin
changes
function
and
begins
50Hz
and
60Hz
line-cycle
interference.
For
outputting the conversion data, most significant bit
applications requiring fast data rates, setting SPEED
(MSB) first. Data are shifted out on each subsequent
high selects a data rate of nominally 80SPS.
SCLK rising edge. After all 24 bits have been
retrieved, the pin can be forced high with an
Table 7. Data Rate Settings
additional SCLK. It will then stay high until new data
are ready. This configuration is useful when polling
DATA RATE
on the status of DRDY/DOUT to determine when to
SPEED
Internal Oscillator
External
begin data retrieval.
PIN
or 4.9152MHz Crystal
Oscillator
0
10SPS
fCLKIN / 491,520
1
80SPS
fCLKIN / 61,440
This digital input shifts serial data out with each rising
edge. This input has built-in hysteresis, but care
should still be taken to ensure a clean signal. Glitches
or slow-rising signals can cause unwanted additional
The ADS1232/4 output 24 bits of data in binary two’s
shifting. For this reason, it is best to make sure the
complement format. The least significant bit (LSB)
rise-and-fall times of SCLK are less than 50ns.
has a weight of 0.5VREF/(2
23
– 1). The positive
full-scale input produces an output code of 7FFFFFh
and the negative full-scale input produces an output
code of 800000h. The output clips at these codes for
signals exceeding full-scale. Table 8 summarizes the
ideal output codes for different input signals.
Table 8. Ideal Output Code vs Input Signal(1)
INPUT SIGNAL VIN
(AINP – AINN)
IDEAL OUTPUT CODE
≥ +0.5VREF/Gain
7FFFFFh
(+0.5VREF/Gain)/(2
23 – 1)
000001h
0
000000h
(–0.5VREF/Gain)/(2
23 – 1)
FFFFFFh
≤ –0.5VREF/Gain
800000h
(1)
Excludes effects of noise, INL, offset, and gain errors.
18
Copyright 2005–2008, Texas Instruments Incorporated
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MS3106A20-18S | CONN PLUG 9POS STRAIGHT W/SCKT |
| VE-JNW-MX | CONVERTER MOD DC/DC 5.5V 75W |
| TLV2545CDGK | IC 12-BIT SERIAL A/D 8-MSOP |
| VE-BW3-MX-F2 | CONVERTER MOD DC/DC 24V 75W |
| VE-JNV-MX | CONVERTER MOD DC/DC 5.8V 75W |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS1232IPWR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-Bit Ultra Low-Noise 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 |
| ADS1232IPWRG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-Bit Ultra Low-Noise 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 |
| ADS1232REF | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADS1232REF 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 |
| ADS1234 | 制造商:BB 制造商全稱:BB 功能描述:Ultra Low-Noise, 24-Bit Analog-to-Digital Converter |
| ADS1234IPW | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-Bit Ultra Low-Noise 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 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。