UPD160061A NEC, UPD160061A Datasheet - Page 12

• Manufacturer Part Number: UPD160061A
• Description: 384-OUTPUT TFT-LCD SOURCE DRIVER
• Manufacturer: NEC

10. BIAS CURRENT CONTROL BY LPC AND HPC
12
The
We recommend a thorough simulation of the output amplifier in advance, when set the LPC and HPC pins.
Refer to the table below for the example of the combination of setting level and panel load, with driver part supply voltage.
Example 1
Example 2
Example 3
High
Middle
Normal
Low
Bias Current
µ
PD160061A can control the bias current of the output amplifier in high drive period and low drive period.
Load: R
Driver part supply voltage: V
Load: R
Driver part supply voltage: V
Load: R
Driver part supply voltage: V
L
L
L
= 5 kΩ, C
= 5 kΩ, C
= 40 kΩ, C
H
H or open
L or open
H
Example of Condition
L
L
L
= 75 pF
= 75 pF
LPC
= 80 pF
DD2
DD2
DD2
= 7.5 V
= 9.0 V
= 9.0 V
L
L
H or open
H or open
Data Sheet S16041EJ2V0DS
HPC
L or open
Bias current mode: Middle
L or open
Bias current mode: Normal
H
Bias current mode: High
LPC
L
H or open
L
HPC
H or open
H or open
L
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µ
PD160061A
Panel Load
SRC
Heavy
Light