STVM100DS6F STMicroelectronics, STVM100DS6F Datasheet - Page 11

• Manufacturer Part Number: STVM100DS6F
• Description: IC I2C LCD VCOM CALIBRATR 8TSSOP
• Manufacturer: STMicroelectronics
• Type: Calibratorr

Specifications of STVM100DS6F

• Applications: TFT-LCD Panels: VCOM Driver
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-9082-2; STVM100DS6F

STVM100
3
Note:
Note:
Application information
The STVM100 is a programmable V
provides a digital I
external resistive voltage divider, which can then be applied to an external V
The highest and lowest V
connection is shown in
The sink current from the STVM100 OUT pin is given in
through R
Figure 8.
In order to choose an appropriate device to buffer the output of STVM100, please see our
operational amplifier product portfolio available at:
http://www.st.com/stonline/products/families/amplifiers_comparators/amplifiers_comparators.htm
Equation 1
“D” is a user-selected value, an integer ranging from 0 to 127.
The V
Equation 2
COM
SET
value can be obtained in
R
. This current must be less than 120 µA (see I
1
, R
2
2
C interface to control the sink current output. This output drives an
, and R
V
COM
Figure
COM
SET
STVM100
=
AV DD
AV DD
SET
value is determined by three resistors, R
Doc ID 13236 Rev 7
8.
connection
-------------------- AV
R
OUT
R SET
1
I
OUT
R
+
2
COM
Equation
R
2
I OUT
=
calibrator for the TFT-LCD to remove flickers. It
D
------------- -
128
AV DD
+
DD
1
2.
R1
R2
⎛
⎝
1
------------------------- -
20 R
–
AV
D
------------- -
+
–
128
DD
+
SET
1
Equation
SET
------------------------- -
20 R
R
value in
V COM
1
SET
1. This current then flows
Application information
⎞
⎠
1
Table 7 on page
, R
2
, and R
COM
buffer.
SET
AI12933
. The
11/27
15).