BD8132FV Datasheet PDF - Rohm

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BD8132FV
Rohm

Part Number BD8132FV
Description High-precision Gamma Correction IC
Page 23 Pages


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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
Power supply voltage 1
DVcc
7
Power supply voltage 2
Vcc 20
REFIN voltage
REF
20
Amp output current capacity
Io 50*1
Junction temperature
Tjmax
150
Power dissipation
BD8132FV
BD8139AEFV
Pd
1125*2
1600*3
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).
Unit
V
V
V
mA
mW
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.
2.3 4.0
6 18
6 18
— 40
—5
— 400
10 200
— 400
Unit
V
V
V
mA
MHZ
kHz
kHz
kHz
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© 2009 ROHM Co., Ltd. All rights reserved.
1/20
2009.07 - Rev.B



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BD8132FV, BD8139AEFV
Technical Note
Electrical Characteristics
BD8132FV(Unless otherwise specified, Vcc = 15 V, DVcc = 3.3 V, Ta = 25)
Parameter
Symbol
Min.
Limit
Typ.
Unit
Max.
Condition
[REFIN]
Sinking current
Iref 25 50 75 µA REF = 10 V
[Gamma correction amp block]
Output current capacity
Io 150 300
— mA DAC = 3V, OUTx = 0 V
Load stability
V — 5 20 mV Io = +10 mA to -10 mA, OUTx = 6 V
Slew rate
SR — 3.5 — V/µS Ro = 100 k, Co = 100 pF *
OUT max. output voltage
VOH VCC-0.16 VCC-0.1 —
V Io = -5 mA
OUT min. output voltage
VOL
0.15 0.24 V Io = 5 mA
[Common amp block]
Input bias current
Ib —
0
1 µA VFB = 6 V
Output current capacity
Io 150 300
— mA DAC = 3V, OUTx = 0 V
Load stability
V — 5 20 mV Io = +10 mA to -10 mA, OUTx = 3 V
Slew rate
SR — 3.5 — V/µS Ro = 100 k, Co = 100 pF *
Input voltage range
VFB 0
— VDAC V Ro = 100 k, Co = 100 pF *
OUT max. output voltage
VOH VCC-0.16 VCC-0.1 —
V Io = -5 mA
OUT min. output voltage
VOL
0.15 0.24 V Io = 5 mA
[DAC]
Resolution
Res — 10 — Bit
Nonlinearity error
LE -2 — 2 LSB Ideal line error: 00A to 3F5
Differential linearity error
DLE -2 — 2 LSB 1 LSB ideal increase error: 00A to 3F5
[OSC]
Oscillating frequency
fosc — 80 — kHz Internal frequency mode
[Control signals]
Sinking current
Ictl — 16 25 µA
Threshold voltage
VTH
0.7
2.6 V DVCC = 3.3 V
Reset time
trst — 45 — µs CCT = 1000 pF
[Overall]
Total supply current
Icc — 20 — mA When all output voltages are set to 5 V.
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© 2009 ROHM Co., Ltd. All rights reserved.
2/20
2009.07 - Rev.B



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BD8132FV, BD8139AEFV
Technical Note
Electrical Characteristics
BD8139AEFV (Unless otherwise specified, Vcc = 15 V, DVcc = 3.3 V, Ta = 25)
Parameter
Symbol
Min.
Limit
Typ.
Unit
Max.
Condition
[REFIN]
Sinking current
Iref 25 50 75 µA REF = 10V
[Gamma correction amp block]
Output current capacity
Load stability
Io 150 300
V —
5
— mA DAC = 3 V, OUTx = 0 V
20 mV Io = +10 mA to -10 mA, OUTx = 6 V
Slew rate
SR — 3.5 — V/µs Ro = 100 k, Co = 100 pF *
OUT max. output voltage
VOH Vcc-0.16 Vcc-0.1 —
V Io = -5 mA
OUT min. output voltage
VOL
0.1 0.16 V Io = 5 mA
[Common amp block]
Input bias current
Ib —
0
1 µA VFB = 6 V
Output current capacity
Load stability
Io 150 300
V —
5
— mA DAC = 3 V, OUTx = 0 V
20 mV Io = +10 mA to -10 mA, OUTx = 3 V
Slew rate
SR — 3.5 — V/µS Ro = 100 k, Co = 100 pF *
Input voltage range
VFB 0
— VDAC V Ro = 100 k, Co = 100 pF *
OUT max. output voltage
VOH Vcc-0.16 Vcc-0.1 —
V Io = -5 mA
OUT min. output voltage
VOL
0.1 0.16 V Io = 5 mA
[DAC]
Resolution
Res — 10 — Bit
Nonlinearity error
LE -2
2 LSB Ideal line error: 00A to 3F5
Differential linearity error
DLE -2 — 2 LSB 1 LSB ideal increase error: 00A to 3F5
[OSC]
Oscillating frequency
fosc — 210 — kHz Internal frequency mode
[Control signals]
Sinking current
Ictl — 16 25 µA Except for osc_mode
Sinking current
Ioscm 26 33 40 µA Only osc_mode
Min. output voltage
VSDA —
— 0.4 V ISDA = 3.0 mA *
Sinking current
ILi -10 — 10 µA 0.4 V to 0.9 V DVCC
Threshold voltage
VTH 0.7 — 2.6 V DVCC = 3.3 V
Reset time
trst — 45 — µs CCT = 1000 pF
[Overall]
Total supply current
Icc — 18 — mA When all output voltages are set to 5 V.
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
3/20
2009.07 - Rev.B



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BD8132FV, BD8139AEFV
Reference Data
(Unless otherwise specified, Ta = 25, BD8132FV and BD8139AEFV)
Technical Note
40
35 BD8132FV
30 -30
25 25
85
20
15
10
5
0
0 5 10 15 20
SUPPLY VOLTAGE : VCC[V]
Fig. 1 VCC Total Supply Current
40
35
30
18V
25
BD8132FV
15V 6V
20
15
10
5
0
-30 -10 10 30 50 70
AMBIENT TEMPERATURE : Ta[]
Fig. 2 Total Supply Current vs Temperature
2
BD8132FV
1.5
1 85℃ 25℃
-
0.5
0
01 2345 67
SUPPLY VOLTAGE : VDD[V]
Fig. 3 VDD Total Supply Current
30
BD8139AEFV
25
20
85℃ 25℃ -30℃
15
10
5
0
0 5 10 15 20
SUPPLY VOLTAGE : VCC[V]
Fig. 4 VCC Total Supply Current
20
BD8139AEFV
15 18V 15V
6V
10
2
1.5
85℃
1
BD8139AEFV
25℃
-30℃
5 0.5
0
-30 -10 10 30 50 70
AMBIENT TEMPERATURE : Ta []
Fig. 5 Total Supply Current vs Temperature
0
0123 456
SUPPLY VOLTAGE : DVCC[V]
7
Fig. 6 VDD Total Supply Current
15.5
-30℃
25℃ 85℃
15
14.5
14
0 5 10 15 20
SOURCE CURRENT : IF[mA]
Fig. 7 High Output Voltage
1.5
1
85℃ 25℃ -30℃
0.5
0
0 5 10 15 20
SINK CURRENT : IF[mA]
Fig. 8 Low Output Voltage
14
12
10
8 85℃
6
4 25℃
2 -30℃
0
-400 -300 -200 -100 0 100 200
OUTPUT CURRENT : IAMP[mA]
Fig. 9 Output Current Capacity
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
4/20
2009.07 - Rev.B



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