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PDF VM147 Data sheet ( Hoja de datos )

Número de pieza VM147
Descripción 10Bit Current Sinking VCM Driver
Fabricantes SiTI 
Logotipo SiTI Logotipo



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No Preview Available ! VM147 Hoja de datos, Descripción, Manual

VM147
Version
: A.001
Issue Date : 2010/06/08
File Name : SP-VM147-A.001.doc
Total Pages : 13
110mA, 10Bit Current Sinking VCM Driver
with I2C Interface
新竹市科學園區展業一路 9 號 7 樓之 1
SILICON TOUCH TECHNOLOGY INC.
9-7F-1, Prosperity Road I, Science Based Industrial Park,
Hsin-Chu, Taiwan 300, R.O.C.
Tel886-3-5645656 Fax886-3-5645626

1 page




VM147 pdf
VM147
Electrical Characteristic
Unless otherwise noted, TA= 25, VDD = 2.8 V and VCM 18Ω, 460uH.
Item
Sym.
Condition
Power Supply
Supply Voltage
Supply Current
( IDD )
VDD
IPS
IDD0
IDD1
PS, SDA, SCL digital pin
Input Voltage High
Input Voltage Low
VIH
VIL
Parameters
DAC Resolution
DNL
INL
Maximum
Output Sink Current
IS,max
PS = High (chip is disabled)
PS = Low, SPS(*1)= High
PS = Low, SPS(*1)= Low
-
-
D[9:0]=3FF(*2)
Min.
2.4
-
-
-
0.5*VDD
-0.4
-
-
-
Zero Code
Output Sink Current
Output Offset Current
IS,min
IOS
D[9:0]=000(*2)
PS = L, SPS(*1)= H
-
-
Voltage Drop
ΔV ΔV = VSINK VMVSS (*3)
(@ISINK = 80 mA)
-
Limit
Typ.
2.8
0.3
0.3
1.6
-
-
10
+/-0.7
+/-1.5
102
1
0.1
0.35
Max.
5.5
1
0.5
2.3
VDD+0.4
0.1*VDD
-
+/-1
+/-4
4
1
0.44
Unit
V
uA
mA
mA
V
V
Bits
LSB
LSB
mA
mA
uA
V
Note:
(*1): SPS (Soft Power Saving, 2nd standby mode): IC power saving mode, controlled by software.
(*2): The value of sink current through pin SINK is set by D[9:0] linearly.
(*3): VSINK is the voltage of SINK pin, and VMVSS is the voltage of motor driver VSS pin
110mA, 10Bit Current Sinking VCM Driver with I2C Interface VersionA.001
未經授權而逕予重製、複製、使用或公開本文件,行為人得被追究侵權之相關民刑事責任
Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement.
Page4

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VM147 arduino
VM147
Application Notes
z The VM147 is a constant current driving IC for applications in Auto-Focus. The
supply voltage range VDD of VM147 is from 2.4V to 5.5V. The input range of
digital control pin PS, and digital I/O pins SCL and SDA, are defined such that
logic “High” is from 0.6*VDD to VDD+0.4V and logic “Low” is from –0.4V to
0.1*VDD. Therefore, the three digital pins are suitable controlled by 1.8V ISP.
z In order to ensure the stability of output current, a capacitance CL is suggested to
be installed between the two terminals of VCM. The suggested value of CL is in
the range of 0.1~0.22uF to match different VCMs.
110mA, 10Bit Current Sinking VCM Driver with I2C Interface VersionA.001
未經授權而逕予重製、複製、使用或公開本文件,行為人得被追究侵權之相關民刑事責任
Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement.
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