参数资料
型号: TLV2548IPWLE
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
文件页数: 3/39页
文件大小: 648K
代理商: TLV2548IPWLE
TLV2544, TLV2548
2.7 V TO 5.5 V, 12-BIT, 200 KSPS, 4/8 CHANNEL, LOW POWER,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN
SLAS198A –FEBRUARY 1999– REVISED AUGUST 1999
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
read cycle (read FIFO or read CFR) (continued)
FIFO read cycle
The first command in the active cycle after INT is generated, if the FIFO is used, is assumed as the FIFO read
command. The first FIFO content is output immediately before the command is decoded. If this command is
not a FIFO read, then the output is terminated but the first data in the FIFO is retained until a valid FIFO read
command is decoded. Use of more layers of the FIFO reduces the time taken to read multiple data. This is
because the read cycle does not generate EOC or INT nor does it carry out any conversion.
SCLK
CS
FS
SDI
INT
EOC
SDO
ID15
ID14
ID13
ID12
ID14
OD8
OD7
OD5
OD0
12
3
4
5
6
713
14
15
16
1
12
OD11 OD10
OD9
ID15
OD6
Figure 4. TLV2544/TLV2548 Continuous FIFO Read Cycle (FS = 1)
(controlled by SCLK, SCLK can stop between each 16 SCLKs)
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