BD8132FV_09 Datasheet, PDF (1/21 Pages) Rohm – High-precision Gamma Correction ICs with built-in DAC

Power Supply IC Series for TFT-LCD Panels
High-precision
Gamma Correction ICs with built-in DAC
BD8132FV, BD8139AEFV
No.09035EBT02
●Description
These gamma correction voltage generation ICs feature built-in DACs and provide a single-chip solution with setting control
via serial communications, a high-precision 10-bit DAC, an output amp (18-channel or 10-channel), and Vcom.
●Features
1) Single-chip design means fewer components
2) Built-in 10 bit DAC (18ch: BD8132FV, 10ch: BD8139AEFV)
3) Built-in DAC output amp
4) Built-in Vcom amp
5) Built-in auto-read function
6) 3-line serial interface (BD8132FV) or 2-wire serial (BD8139AEFV)
7) Thermal shutdown circuit
8) SSOP-B40 package (BD8132FV) / HTSSOP-B40 package (BD8139AEFV)
●Applications
These ICs can be used with TFT LCD panels used by large-screen and high-definition LCD TVs.
●Absolute maximum ratings (Ta = 25°C)
Parameter
Symbol
Limit
Unit
Power supply voltage 1
DVcc
7
V
Power supply voltage 2
Vcc
20
V
REFIN voltage
REF
20
V
Amp output current capacity
Io
50*1
mA
Junction temperature
Tjmax
150
℃
Power dissipation
BD8132FV
BD8139AEFV
Pd
1125*2
1600*3
mW
Operating temperature range
Topr
-30 to +85
℃
Storage temperature range
Tstg
-55 to +150
℃
*1 Must not exceed Pd.
*2 Reduced by 9.0 mW/°C over 25°C, when mounted on a glass epoxy board (70 mm  70 mm  1.6 mm).
*3 Reduced by 12.8 mW/°C over 25°C, when mounted on a glass epoxy board (70 mm  70 mm  1.6 mm).
●Recommended Operating Ranges
Parameter
Power supply voltage 1
Power supply voltage 2
REFIN voltage
Amp output current capacity
Serial clock frequency (BD8132FV)
2 wire serial frequency (BD8139AEFV)
OSC frequency (BD8132FV)
OSC frequency (BD8139AEFV)
Symbol
DVcc
Vcc
REF
Io
fCLK
fCLK
fosc
fosc
Limit
Min.
Max.
Unit
2.3
4.0
V
6
18
V
6
18
V
—
40
mA
—
5
MHZ
—
400
kHz
10
200
kHz
—
400
kHz
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2009.07 - Rev.B