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Número de pieza | VM147 | |
Descripción | 10Bit Current Sinking VCM Driver | |
Fabricantes | SiTI | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de VM147 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
No Preview Available ! 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.
Tel:886-3-5645656 Fax:886-3-5645626
1 page 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 Version:A.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
5 Page 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 Version:A.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.
Page10
11 Page |
Páginas | Total 13 Páginas | |
PDF Descargar | [ Datasheet VM147.PDF ] |
Número de pieza | Descripción | Fabricantes |
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