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CF5705 series
Analog Watch Stepping Motor Driver
The CF5705 series are low-current analog watch stepping motor driver CMOS ICs with built-in 32.768kHz crystal oscillator circuit.
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32.768kHz crystal oscillator circuit (CG and CD built-in) |
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-3.6 to -1.2V operating supply voltage range |
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Operating current consumption
VSS= -1.55V, CD=16pF:250nA (max)
VSS= -2.8V, CD=26pF:1000nA (max)
note:Current consumption depends on the built-in capacitor. |
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Reset function:4Hz and subsequent frequency dividers are reset |
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Package:Chip form |
| Device |
Motor |
Built-in
capacitor1 |
Cycle
(Tcy/2)
[sec] |
Pulse
(Tpw)
[sec] |
Test
(Tcy)
[sec] |
CG
[pF] |
CD
[pF] |
| CF5705AA |
1 |
4.9m |
125m |
4 |
16 |
| CF5705AD |
1 |
23.4m |
125m |
4 |
30 |
| CF5705AE |
20 |
5.9m |
125m |
4 |
16 |
| CF5705AK |
62.5m |
23.4m |
125m |
4 |
30 |
| CF5705BC |
250m |
23.4m |
125m |
4 |
26 |
| CF5705BJ |
1 |
23.4m |
125m |
4 |
26 |
| CF5705CF |
1 |
4.9m |
62.5m |
4 |
16 |
| CF5705CG |
1 |
3.9m |
62.5m |
4 |
16 |
1.Parasitic capacitance is included. Parasitic capacitance:CG = CD = 4pF
·Analog watch
·Long life anaog clock
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Datasheet(PDF 70KB)
