參數(shù)資料
型號: TLC2574IPWG4
廠商: TEXAS INSTRUMENTS INC
元件分類: ADC
英文描述: 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封裝: GREEN, PLASTIC, TSSOP-20
文件頁數(shù): 7/49頁
文件大小: 1137K
代理商: TLC2574IPWG4
TLC3574, TLC3578, TLC2574, TLC2578
5V ANALOG, 3/5V DIGITAL, 14/12BIT, 200KSPS, 4/8CHANNEL
SERIAL ANALOGTODIGITAL CONVERTERS WITH ±10V INPUTS
SLAS262C OCTOBER 2000 REVISED MAY 2003
15
WWW.TI.COM
timing requirements over recommended operating free-air temperature range, AVDD = 5 V,
DVDD = 5 V, VREFP = 4 V, VREFM = 0 V, SCLK frequency = 25 MHz (unless otherwise noted) (continued)
FS trigger
PARAMETERS
MIN
TYP
MAX
UNIT
td(8)
Delay time, delay from CS falling edge to FS rising edge at 25-pF load
0.5
tc(1)
tsu(3)
Setup time, FS rising edge before SCLK falling edge at 25-pF load
0.25
×tc(1)
0.5
×tc(1)+ 5
ns
tw(3)
Pulse width of FS high, at 25-pF load
0.75
×tc(1)
tc(1)
1.25
×tc(1)
ns
td(9)
Delay time, delay from FS rising edge to MSB of SDO valid
DVDD = 5 V
26
ns
td(9)
Delay time, delay from FS rising edge to MSB of SDO valid
(reaches 90% final level), at 10-pF load
DVDD = 2.7 V
30
ns
td(10) Delay time, delay from FS rising edge to next FS rising edge, at 25-pF load
Required
sampling time +
conversion time
ns
td(11)
Delay time, delay from FS rising edge to INT rising edge, at
DVDD = 5 V
0
6
ns
td(11)
Delay time, delay from FS rising edge to INT rising edge, at
10-pF load
DVDD = 2.7 V
0
16
ns
Specified by design
ID15
OD1
OD0
ID1
Hi-Z
1
16
OD15
ID0
Don’t Care
ID15
OD15
OR
td(10)
tw(3)
td(8)
tsu(3)
td(9)
td(11)
Don’t Care
Hi-Z
VIH
VIL
VOH
CS
FS
SCLK
SDI
SDO
EOC
INT
The dotted line means signal may or may not exist, depending on application. It must be ignored.
Normal sampling mode, FS initiates the conversion, CS can be tied to low. When CS is high, SDO is in Hi-Z, all inputs (FS, SCLK,
SDI) are inactive and are ignored.
Figure 3. Critical Timing for FS Trigger
相關(guān)PDF資料
PDF描述
TLC3578IDWR 8-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24
TLC2574IDW 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
TLC3574IDW 4-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
TLC2578IPW 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24
TLC3574IDWRG4 4-CH 14-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLC2574IPWR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Serial Out Low Power 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
TLC2574IPWRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Serial Out Low Power 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
TLC2578EVM 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 TLC2578 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
TLC2578IDW 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Serial Out Low Power 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
TLC2578IDWG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Serial Out Low Power 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32