參數(shù)資料
型號: TLC320AD55C
廠商: Texas Instruments, Inc.
英文描述: Sigma-Delta Analog Interface Circuit(Sigma-Delta 模擬接口)
中文描述: sigma - delta模擬接口電路(Σ-Δ模擬接口)
文件頁數(shù): 24/41頁
文件大小: 256K
代理商: TLC320AD55C
3–6
Example 2: All variables above remain the same except Fsclk = 1, SCLK = 2.048 MHz = sample
rate
×
256. In this configuration, two consecutive primary communications represent the
same data sample.
FIR Bypass Mode
An option is provided to bypass the FIR sections of the decimation filter and the interpolation filter. This is
selected through the control 2 register. The sinc filters of the two paths cannot be bypassed.
3.4
The timing requirements for this mode of operation are shown in Figure 3–7.
ADC Data
Out
DOUT
Primary
Secondary
Primary
Secondary
Primary
18–4
DIN
3–0
See Note A
FS
ADC Data
Out
ADOut
NOTE A: The number of clocks between primary cycles is a function of FCLK. When either FIR is bypassed, this period
is 16 FCLKs. See Fk divide register in Appendix A.
Figure 3–7. FIR Bypass Timing
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