參數(shù)資料
型號(hào): HI3197JCQ
廠(chǎng)商: HARRIS SEMICONDUCTOR
元件分類(lèi): DAC
英文描述: 10-Bit, 125 MSPS D/A Converter
中文描述: PARALLEL, WORD INPUT LOADING, 10-BIT DAC, PQFP48
文件頁(yè)數(shù): 18/25頁(yè)
文件大?。?/td> 284K
代理商: HI3197JCQ
18
Block Diagram and Timing Charts
FIGURE 11A. BLOCK DIAGRAM (MUX.1A MODE)
FIGURE 11B. TIMING CHART (MUX.1A MODE)
FIGURE 11C. TIMING JUDGMENT POINTS
NOTE: In MUX.1A mode, Data A and Data B are internally multiplexed and then the resulting signal can be analog output. The frequency of the
clock is halved by the built-in clock frequency divider circuit and the CLK/2 can be output at TTL level (D1V201.~). CLK/2 can be reset by the reset
signal.
CLK
R
D
Q
Q
RESET
CLK/2
(INTERNAL)
INPUT LATCH A
LATCH
LATCH
INPUT LATCH B
MUX
LATCH
DAC
ANALOG OUT
DIV2OUT
DIV2IN
INPUT DATA A
INPUT DATA B
N$
N$
N
N + 2
N + 4
N$
N$
N + 1
N + 3
N + 5
CLK
t
S-RST
0
1
2
3
4
ACTIVE HIGH
ACTIVE LOW
t
D-DIV
N$
N$
N$
N$
N
N + 1
t
DO
RESET
CLK/2
DIV2OUT
INPUT DATA A
INPUT DATA B
(INTERNAL)
TO
DIV2IN
t
DO
5
2t-t
M
t
H
t
PD
t
PD (A)
t
PW0
t
PW1
t
M
t
H-RST
t
S
PECL
TTL
CLK
ANALOG
OUTPUT
2.0V
0.8V
2.0V
0.8V
t
DO
t
SET
±
1/2 LSB
±
1/2 LSB
HI3197
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