SA5775AD 데이터 시트보기 (PDF) - Philips Electronics
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SA5775AD Datasheet PDF : 10 Pages
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Philips Semiconductors
Differential air-core meter driver
Product specification
SA5775A
AC ELECTRICAL CHARACTERISTICS
VDD = 7.5 to 18 V; VCC = 4.5 to 5.5 V; TA = –40 to +85°C
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
UNIT
MIN
TYP
MAX
FSCLK
TSCLKH
TSCLKL
TRO
TFO
TSU
Input frequency
SCLK high time
SCLK low time
Output rise time DO
Output fall time DO
DI set-up time
175
VCC = 5.5 V
175
0.75 to VCC –1.2 V, CL = 90 pF
VCC –1.2 V to 0.75, CL = 90 pF
75
1.6
MHz
ns
ns
75
ns
75
ns
ns
THI
DI hold time
75
ns
TYPICAL APPLICATION
METER
14V
Data Out
FROM
MICROPROCESSOR
1
5
SIN–
DATAOUT
9
DATAIN
6
SCLK
2
15 16
SIN+
COS– COS+
DO 5
SA5775A
VIGN
NC
4
12
SGD
ST 11
DGND 13
OE
VCC
AGND 14
8
7
10 µF
5V
Figure 3. Typical application
SL00455
SCLK
FSCLKL
TSCLKL
Tr
TSCLKH
Tf
1999 Sep 20
SCLK
CS
DI
BIT9
BIT8..1
BIT0
TSU THI
DO
BIT0
PREVIOUS WORD
SL00456
Figure 4. Serial interface timing
6
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