參數(shù)資料
型號(hào): TS86101G2BCGL
廠商: ATMEL CORP
元件分類: DAC
英文描述: SERIAL INPUT LOADING, 10-BIT DAC, PBGA255
封裝: CBGA-255
文件頁(yè)數(shù): 18/57頁(yè)
文件大?。?/td> 1119K
代理商: TS86101G2BCGL
25
5343C–BDC–03/06
TS86101G2B
Figure 6-1.
Synchronization of Multiple TS86101G2B Devices
Notes:
1. A counter can be used to determine when the clock can be enabled after power-up.
2. If the clock starts as illustrated below, there is no guarantee that the DACs will start synchro-
nously (they may start on different edges of the clock). It is essential that the clock starts with
clean transitions.
Figure 6-2.
Clock Transition at Power-up
6.3
Programmable DSP Clock
For correct synchronization of the MUXDAC with the DSP/FPGA/ASIC circuit intended to send
the digital data to the MUXDAC, a DSP output clock is provided by the MUXDAC.
To finely synchronize the two devices (MUXDAC and DSP/FPGA/ASIC), a programmable delay
can be applied to the DSP clock. This delay is controlled via the CS_0, CS_1, CS_2 and CS_3
bits and has a range of 3.1 ns in 200 ps discrete steps.
The [CS_0;3] bits are TTL signals (1 = TTL high, 10 k
or left open, 0 = TTL low or ground via
10
or less) but can also be implemented as shown in Figure 6-3 on page 26.
VEED / VEEA
Case 1:
CW_IN_T/CW_IN_F
(differential)
0V
90% of VEEA/VEED
-5V
DAC in RESET state
100 ps min
Power up
Clock held high or low
End of reset
Case 2:
CW_IN_T
(single
-
ended)
100 ps min
Clock held high
Case 3:
CW_IN_F
(single
-
ended)
100 ps min
Clock held low
100%
50% of
VEEA/VEED
相關(guān)PDF資料
PDF描述
TS86101G2BVGL SERIAL INPUT LOADING, 10-BIT DAC, PBGA255
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TS86101G2BCGL PARALLEL, WORD INPUT LOADING, 10-BIT DAC, CBGA255
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