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National Semiconductor Electronic Components Datasheet

LMC6009 Datasheet

9 Channel Buffer Amplifier

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May 1999
LMC6009
9 Channel Buffer Amplifier for TFT-LCD
General Description
The LMC6009 is a CMOS integrated circuit that buffers 9 ref-
erence voltages for gamma correction in a Thin Film Transis-
tor Liquid Crystal Display (TFT-LCD). Guaranteed to operate
at both 3.3V and 5V supplies, this integrated circuit contains
nine, independent unity gain buffers that can source 130 mA
into a capacitive load without oscillation.
The LMC6009 is useful for buffering gamma voltages into
column drivers that employ the resistor-divider architecture.
High output current capability and fast settling characteristics
of this device improve display quality by minimizing rise time
errors at the outputs of the column driver. The integration of
nine buffers and a multiplexer eliminates the need for dis-
crete buffers and a separate multiplexer (MUX) chip on the
panel.
The LMC6009 is available in 48-pin surface mount TSSOP.
Features
n Number of inputs
n 3.3V and 5V operation
n Supply current
n Settling time
n A/B channel inputs for asymmetrical Gamma
n Number of outputs
n Number of control inputs
n Built-in thermal shutdown protection
Applications
n VGA/SVGA TFT-LCD drive circuits
n Electronic Notebooks
n Electronic Games
n Personal Communication Devices
n Personal Digital Assistants (PDA)
18
3.5 mA
3 µs
9
1
Application in VGA/SVGA TFT-LCD
Ordering Information
Package
48-pin TSSOP
Temperature Range
−20˚C–+75˚C
LMC6009MT
LMC6009MTX
Transport Media
Tape and Reel
DS012533-1
NSC Drawing
MTD48
© 1999 National Semiconductor Corporation DS012533
www.national.com


National Semiconductor Electronic Components Datasheet

LMC6009 Datasheet

9 Channel Buffer Amplifier

No Preview Available !

Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
ESD Tolerance
Input Voltage
Supply Voltage (VDD)
Operating Temperature
Storage Temperature Range
1.0 kV
GND–0.3V V+
VDD+0.3VDC
−0.3 to +6.5 VDC
−20˚C to +75˚C
−55˚C to +150˚C
Maximum Junction Temperature (TJ)
Maximum Power Dissipation (PD)
+150˚C
1.09W
Operating Ratings (Note 1)
Supply Voltage
Frequency
Thermal Resistance (θJA)
Derating
2.7V VDD 5.5V
DC-50 kHz
8.70 mW/˚C
3V DC Electrical Characteristics
Unless otherwise specified, all limits are guaranteed for TJ = 25˚C, and VDD = 3.0 VDC.
Symbol
Parameter
Conditions
VDD Supply Voltage
VOS Offset Voltage
IB Input Bias Current
VOL Output Voltage, Low
VOH Output Voltage, High
ISC Output Short Circuit Current
IDD Supply Current
VL Load Regulation
VIH A/B Switch Logic Voltage, High
VIL A/B Switch Logic Voltage, Low
IIH A/B Switch Logic Current, High
IIL A/B Switch Logic Current, Low
AV Voltage Gain
RS = 10k
Amp A8 and A9
ISINK = 13 mA
Amp A1–A7
ISINK = 13 mA
Amp A1 and A2
ISOURCE = 13 mA
Amp A3–A9
ISOURCE = 13 mA
VOUT - 1.65V (Note 1)
No Load
VIN = 0.3–3 VDC
ISOURCE = 13 mA
ISINK = 13 mA
Select A
Select B
Note 1: See Test Circuit (Figure 2 )
Min
2.7
VDD–0.2
VDD–0.6
80
2
0.985
Typ
3.0
150
3.5
Max
3.3
20
1500
GND +
0.2
GND +
0.6
Units
V
mV
nA
V
V
V
V
mA
5 mA
−10 mV
+10 mV
V
0.8 V
1.5 µA
1 µA
V/V
5V DC Electrical Characteristics
Unless otherwise specified, all limits are guaranteed for TJ = 25˚C, and VDD = 5 VDC.
Symbol
Parameter
Conditions
VDD Supply Voltage
VOS Offset Voltage
IB Input Bias Current
VOL Output Voltage, Low
VOH Output Voltage, High
ISC Output Short Circuit Current
IDD Supply Current
RS = 10k
Amp A8 and A9
ISINK = 20 mA
Amp A1–A7
ISINK = 20 mA
Amp A1 and A2
ISOURCE = 20 mA
Amp A3–A9
ISOURCE = 20 mA
VOUT - 1.65V (Note 1)
No Load
Min
4.5
VDD–0.2
VDD–1.0
120
Typ
5
200
4.5
Max
5.5
20
1500
GND +
0.2
GND +
1.0
Units
V
mV
nA
V
V
V
V
mA
6 mA
www.national.com
2


Part Number LMC6009
Description 9 Channel Buffer Amplifier
Maker National Semiconductor
PDF Download

LMC6009 Datasheet PDF






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