参数资料
型号: TLC2574IPWR
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 4-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封装: GREEN, PLASTIC, TSSOP-20
文件页数: 21/48页
文件大小: 1092K
代理商: TLC2574IPWR
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
28
WWW.TI.COM
conversion operation
CS
12
3
5
46
7
13
14
15
1
ID15
ID14
ID13
1D12
12
ID15
OD15
OD14
OD13
OD12
OD11
OD10
OD9
OD4
OD2
OD15
48 SCLKs for Long Sampling
16 SCLKs for Short Sampling
SDO goes to HiZ after 16th SCLK
16
HiZ
t(conv)
t(SAMPLE)
FS in High
SDI
INT
EOC
SDO
OR
Previous Conversion Result
Select Channel
OD3
OD[15:2] (for TLC3574/78) or OD [15:4] (for TLC2574/78) is the result of previous conversion.
Don’t Care
The dotted line means signal may or may not exist.
Figure 11. Mode 00, CS Initiates Operation
12
3
5
46
7
13
14
15
1
ID15
1D14
ID13 1D12
12
ID15
OD14 OD13 OD12 OD11
OD10
OD9
OD4
OD15
OD2
OD3
48 SCLKs for Long Sampling
16 SCLKs for Short Sampling
16
Hi-Z
SDO Goes Through Hi-Z After 16 SCLK
Previous Conversion Result
Select Channel
t(SAMPLE)
t(conv)
SCLK
CS
FS
SDI
INT
EOC
SDO
OR
OD[15:2] (for TLC3574/78) or OD[15:4](for TLC2574/78) is the result of previous conversion.
Don’t Care
The dotted line means signal may or may not exist.
Figure 12. Mode 00, FS Initiates Operation
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