參數(shù)資料
型號(hào): THS1206DA
廠商: Texas Instruments, Inc.
英文描述: 12-BIT 6 MSPS, SIMULTANEOUS SAMPLING ANALOG-TO-DIGITAL CONVERTERS
中文描述: 12 - MSPS的第6位,同步采樣模擬數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù): 23/41頁(yè)
文件大?。?/td> 564K
代理商: THS1206DA
THS1206
12-BIT 6 MSPS, SIMULTANEOUS SAMPLING
ANALOG-TO-DIGITAL CONVERTERS
SLAS217D – MAY 1999 – REVISED APRIL 2000
23
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
DATA_AV type
Bit 4 and bit 5 (DATA_T, DATA_P) of control register 1 are used to program the signal DATA_AV. Bit 4 of
control register 1 determines whether the DATA_AV signal is static or a pulse. Bit 5 of the control register
determines the polarity of DATA_AV. This is shown in Table 14.
Table 14. DATA_AV Type
BIT 5
DATA_P
BIT 4
DATA_T
DATA_AV TYPE
0
0
Active low level
0
1
Active low pulse
1
0
Active high level
1
1
Active high pulse
The signal DATA_AV is set to active when the trigger condition is satisified. It is set back inactive independent
of the DATA_T selection (pulse or level).
If level mode is chosen, DATA_AV is set inactive after the first of the TL (TL = trigger level) reads (with the falling
edge of READ). The trigger condition is checked again after TL reads.
If pulse mode is chosen, the signal DATA_AV is a pulse with a width of one half of a CONV_CLK cycle in
continuous conversion mode and one half of a clock cycle of the internal oscillator in single conversion mode.
The next DATA_AV pulse (when the trigger condition is satisfied) is sent out the earliest, when the TL values,
written into the FIFO before, were read out by the processor.
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