AT5510
Preliminary Product Information
120mA, Current Sinking,
10-bit I2C DAC for VCM Driver
Typical Application Circuit
VCC
2.7V~3.6V
VCM
6
1
VCC
8
SINK
10uF
/6.3V
0.1uF
ENABLE
PD
7
5
2
AGND
DGND
DGND
AT5510
SDA
SCL
3
4
SDA
SCL
I2C MASTER
DEVICE
I2C SLAVE
DEVICE
Figure 1
The output current can be set as
ISINK = Ios + CODE * LSB,
where ISINK is output driving current, Ios is the offset error and CODE is the data bits
(D0-D9) shown in Table 2.
The popular examples are shown in Table 1.
Table 1: Code transfers to ISINK
CODE
Serial Data Bit
ISINK (mA)
33
0x180210
4.36
252
0x180FC0
29.98
765
0x182FD0
90.01
1023
0x183FF0
120.19
* Ios=0.5mA, LSB=117µA.
2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
9/20/2007 REV:0.2
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
Email: service@aimtron.com.tw
6
AIMTRON [ AIMTRON TECHNOLOGY ]
