參數(shù)資料
型號: ADS1256
英文描述: Very Low Noise, 24-Bit Analog-to-Digital Converter
中文描述: 極低噪聲,24位模擬數(shù)字轉(zhuǎn)換器
文件頁數(shù): 6/39頁
文件大小: 427K
代理商: ADS1256
SBAS288D JUNE 2003 REVISED AUGUST 2004
www.ti.com
6
PARAMETER MEASUREMENT INFORMATION
SCLK
CS
DIN
DOUT
t
1
t
3
t
2H
t
4
t
5
t
2L
t
6
t
9
t
8
t
7
t
11
t
10
Figure 1. Serial Interface Timing
TIMING CHARACTERISTICS FOR FIGURE 1
SYMBOL
DESCRIPTION
MIN
MAX
UNIT
τ
CLKIN(1)
τ
DATA(2)
ns
t1
SCLK period
4
10
t2H
SCLK pulse width: high
200
9
τ
DATA
ns
t2L
SCLK pulse width: low
200
t3
CS low to first SCLK: setup time(3)
0
ns
t4
Valid DIN to SCLK falling edge: setup time
50
ns
t5
Valid DIN to SCLK falling edge: hold time
50
ns
t6
Delay from last SCLK edge for DIN to first SCLK rising edge for DOUT: RDATA, RDATAC,
RREG Commands
SCLK rising edge to valid new DOUT: propagation delay(4)
50
τ
CLKIN
t7
50
ns
t8
SCLK rising edge to DOUT invalid: hold time
0
ns
t9
Last SCLK falling edge to DOUT high impedance
NOTE: DOUT goes high impedance immediately when CS goes high
6
10
τ
CLKIN
t10
CS low after final SCLK falling edge
0
ns
RREG, WREG, RDATA
4
τ
CLKIN
τ
CLKIN
t11
Final SCLK falling edge of command to first SCLK
rising edge of next command.
RDATAC, RESET, SYNC
24
RDATAC, STANDBY, SELFOCAL, SY-
SOCAL, SELFGCAL,
SYSGCAL, SELFCAL
Wait for DRDY to go low
(1)
τ
CLKIN = master clock period = 1/fCLKIN.
(2)
τ
DATA = output data period 1/fDATA.
(3)CS can be tied low.
(4)DOUT load = 20pF
100k
to DGND.
相關(guān)PDF資料
PDF描述
ADS1271 24 BIT WIDE BANDWIDTH ANALOG TO DIGITAL CONVERTER
ADS1271IPW 24 BIT WIDE BANDWIDTH ANALOG TO DIGITAL CONVERTER
ADS1271IPWR 24 BIT WIDE BANDWIDTH ANALOG TO DIGITAL CONVERTER
ADS1271EVM-PDK modular EVM form factor
ADS1271EVM modular EVM form factor
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS1256EVM 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADS1256 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
ADS1256EVM-PDK 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADS1256 Perf Demo Kit 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
ADS1256IDB 制造商:BB 制造商全稱:BB 功能描述:Very Low Noise, 24-Bit Analog-to-Digital Converter
ADS1256IDBR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24Bit 30kSPS Very Lo-Noise Delta-Sigma 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
ADS1256IDBRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 24Bit 30kSPS Very Lo-Noise Delta-Sigma 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