参数资料
型号: TLC32047IFN
厂商: Texas Instruments, Inc.
英文描述: Wide-Band Analog Interface Circuit
中文描述: 宽带模拟接口电路
文件页数: 44/61页
文件大小: 303K
代理商: TLC32047IFN
4–2
DATA-DR
DX
DR
FSD
FSX, FSR,
td (CH-DR)
tsu (DX)
D15
D14
D13
D12
D2
D1
D0
Don’t Care
D0
D1
D2
D11
D12
D13
D14
D15
D0
D1
D2
D11
D12
D13
D14
D15
8 V
2 V
2 V
8 V
2 V
2 V
8 V
td (CH-FL)
td (CH-FH)
tc (SCLK)
D11
2 V
SHIFT
CLK
Figure 4–2. Dual-Word (Telephone Interface) Mode Timing
DX
DR
FSX, FSR
td (CH–DR)
tsu (DX)
Don’t Care
D0
D1
D2
D11
D12
D13
D14
D15
D0
D1
D2
D11
D12
D13
D14
D15
8 V
2 V
2 V
8 V
2 V
2 V
8 V
td (CH-FL)
td (CH-FH)
tc (SCLK)
2 V
SHIFT
CLK
8 V
2 V
th (DX)
td (CH-EL)
td (CH-EH)
EODX, EODR
Figure 4–3. Word Timing
The time between falling edges of FSR is the A/D conversion period and the time between falling edges of FSX is the
D/A conversion period.
In the word format, EODX and EODR go low to signal the end of a 16-bit data word to the processor. The word-cycle
is 20 shift-clocks wide, giving a four-clock period setup time between data words.
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