參數(shù)資料
型號(hào): PCA1487
廠商: NXP Semiconductors N.V.
英文描述: 32 kHz watch circuits with adaptive motor pulse
中文描述: 32千赫的自適應(yīng)電機(jī)脈沖手表電路
文件頁(yè)數(shù): 14/20頁(yè)
文件大?。?/td> 118K
代理商: PCA1487
1998 Apr 21
14
Philips Semiconductors
Product specification
32 kHz watch circuits with adaptive motor
pulse
PCA148x series
TIMING PARAMETERS
Note
1.
No option available when EOL indication is required.
SYMBOL
PARAMETER
SECTION
VALUE
OPTION
UNIT
t
T
t
P
t
DF
t
ONL
t
v
t
SON
t
SOFF
t
SONF
t
E
t
E1
t
E2
t
D
t
DS
t
DI
t
MC
t
M1
t
M2
t
M3
t
M4
P
N
t
C
t
C1
t
C2
cycle for motor pulse (note 1)
motor pulse width
duty factor
last duty factor on
voltage detection cycle
duty factor on
duty factor off
first duty factor on
EOL sequence
motor pulse width
time between pulses
detection sequence
short-circuited motor
dissipation of energy
measurement cycle
phase 1
phase 2 (measure window)
phase 3
phase 4
positive current polarities
negative current polarities
correction sequence
small pulse width
large pulse width
cycle time for motor pulses in: testing
test 1
test 2
test 3
debounce time for
RESET = V
DD
motor pulse (Figs 2 and 3)
1
7.81
977
183 to 488
60
427 to 733
550 to 244
244
4
t
P
31.25
4.3 to 28.3
977
977
488
244
61
122
61
2
3
t
P
+ 30.27
977
t
P
5, 10, 12 or 20
3.9 or 5.9
P < N
2 to 6
s
ms
μ
s
μ
s
s
μ
s
μ
s
μ
s
s
ms
ms
ms
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
level mode
silver-oxide mode (Fig.3)
end-of-life mode
detection (Fig.6)
correction sequence (Fig.7)
ms
μ
s
ms
t
T1
t
T2
t
T3
t
DEB
125
31.25
31.25 to 39
14.7 to 123.2
ms
ms
ms
ms
see Fig.9
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