參數(shù)資料
型號(hào): ADS1222IPWT
廠商: Texas Instruments
文件頁(yè)數(shù): 6/26頁(yè)
文件大?。?/td> 0K
描述: IC 24BIT ADC W/2CH MUX 14-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: 1
位數(shù): 24
采樣率(每秒): 240
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 2.25mW
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: 14-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 14-TSSOP
包裝: 標(biāo)準(zhǔn)包裝
輸入數(shù)目和類(lèi)型: 4 個(gè)單端,單極;2 個(gè)差分,雙極
其它名稱(chēng): 296-17321-6
ADS1222
SBAS314B APRIL 2004 REVISED JANUARY 2009
www.ti.com
14
SYMBOL
DESCRIPTION
MIN
MAX
UNITS
t2
DRDY/DOUT low to first SCLK rising edge
0
ns
t3
SCLK positive or negative pulse width
100
ns
t4
SCLK rising edge to new data bit valid: propagation delay
50
ns
t5
SCLK rising edge to old data bit valid: hold time
0
ns
t6(1)
Data updating; no readback allowed
48
s
t7(1)
Conversion time (1/data rate)
8.32
ms
(1) Values given for fCLK = 2MHz. For different fCLK frequencies, scale proportional to CLK period.
DRDY/DOUT
23
22
21
124
0
LSB
MSB
Data
Data Ready
SCLK
t
2
t
7
t
3
t
3
t
6
New Data Ready
t
4
t
5
Figure 25. Data Retrieval Timing
23
124
25
22
21
0
Data
25th SCLK to Force DRDY/DOUT High
Data Ready
New Data Ready
DRDY/DOUT
SCLK
Figure 26. Data Retrieval with DRDY/DOUT Forced High Afterwards
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參數(shù)描述
ADS1222IPWT 制造商:Texas Instruments 功能描述:IC 24-BIT ADC 2 CH DIFF I/P MULTI
ADS1222IPWTG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-Bit Conv w/2-Ch Diff Input Mltplxer 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
ADS1224 制造商:BB 制造商全稱(chēng):BB 功能描述:24-Bit Analog-to-Digital Converter with 4-Channel Differential Input Multiplexer
ADS1224EVM 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開(kāi)發(fā)工具 ADS1224 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類(lèi)型:ADC 工具用于評(píng)估:ADS130E08 接口類(lèi)型:SPI 工作電源電壓:- 6 V to + 6 V
ADS1224IPWR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24-bit 240SPS 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