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參數(shù)資料
| 型號： | OQ8844 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Digital Servo Driver DSD-2 |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO20 |
| 文件頁數(shù)： | 8/16頁 |
| 文件大?。?/td> | 80K |
| 代理商： | OQ8844 |
1995 Nov 27
8
Philips Semiconductors
Product specification
Digital Servo Driver (DSD-2)
OQ8844
Table 1
Possible modes of operation
The timing diagram as shown in Fig.9 gives the relation between the different clocks.
The negative edge of the signals called nc10 to nc12 is used to process the incoming data (see Table 2).
The negative edge of all signals called c10s to c12s is used to trigger the outputs (see Table 2).
Table 2
Signals nc10 to nc12 and c10s to c12s
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
THERMAL CHARACTERISTICS
EN1
EN2
SLEDGE DRIVER
FOCUS/RADIAL
DRIVER
MODE
0
0
1
1
0
1
0
1
off
off
off
on
off
on
off
on
standby
partly operating
reset
operating
SIGNAL
DESCRIPTION
ncl0
ncl1
ncl2
cl0s
cl1s
cl2s
sledge input sampling clock
focus input sampling clock
radial input sampling clock
sledge output trigger clock
focus output trigger clock
radial output trigger clock
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
V
DDD
V
DDA
V
SSD
V
SSA
P
tot
T
stg
T
amb
digital supply voltage
analog supply voltage
ground supply voltage difference
total power dissipation
storage temperature
operating ambient temperature
0.5
0.5
5
55
40
+6.5
+6.5
+5
730
+150
+85
V
V
mV
mW
°
C
°
C
SYMBOL
PARAMETER
VALUE
UNIT
R
th j-a
thermal resistance from junction to ambient in free air
75
K/W
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