FPD03784 datasheet(2/12 Pages) NSC

Part #	FPD03784

Description	Low Power, Low EMI, TFT-LCD Column Driver with Dual, TTL Bus Inputs, 64 Grayshades, and 384 Outputs for XGA/SXGA Applications

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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Absolute Maximum Ratings (Note 1)

Analog Supply, (V

DD2) (Note 2)

−0.3V to +10.5V

Logic Supply, (V

DD1) (Note 2)

−0.3V to +5.0V

High Bias Supply, (V

HBIAS) (Note 2)

−0.3V to +12.0V

Low-Polarity RDAC Reference

Voltages, (V

GMA7 to VGMA12)

(Note 2)

−0.3V to 0.5V

DD2

High-Polarity RDAC Reference

Voltages, (V

GMA1 to VGMA6)

(Note 2)

0.5V

DD2 − 1.0V to

V

DD2 + 0.3V

RDAC Current (All Gamma Voltage

Taps), (I

GMA to IGMA12)

−2.5mA to 2.5mA

Input Voltage (Digital Logic), (V

IN)

(Note 2)

−0.3V to V

DD1 + 0.3V

Output Voltage, (V

OUT) (Note 2)

−0.3V to V

DD2 + 0.3V

Output Current (Analog), (I

OUT)

−7mA to +7mA

Input Current Source, (I

SIN)

−200µA to +200µA

Output Current Source, (I

SOUT)

−200µA to +200µA

IREF Current, (I

REF)

−1mA to +0.2mA

Storage Temperature Range, (T

S)

−55˚C to +125˚C

Note 1: “Absolute Maximum Ratings” are those values beyond which the

safety of the device cannot be guaranteed. They are not meant to imply that

the devices should be operated at these limits. The table of “Electrical

Characteristics” specifies conditions of device operation.

Note 2: Absolute voltages referenced to VSS1 =VSS2 = 0.0V.

Recommended Operating

Conditions

Min

Typ

Max

Units

Logic Supply Voltage

3.0

3.3

3.6

V

(V

DD1)

(3.3V OR 2.5V)

2.25

2.5

2.75

V

Supply Voltage (V

DD2)

7.5

9.5

V

Operating Temperature

(T

A)

−10

+25

+70

˚C

DC Electrical Characteristics

Digital Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Units

V

IH

Input High Voltage

0.7 V

DD1

V

IL

Input Low Voltage

0.3 V

DD1

V

OH

Output High Voltage

I

OH = −0.5mA

V

DD1 − 0.5

V

OL

Output Low Voltage

I

OL = 0.5mA

0.5

V

I

DD1

Logic Current

(Note 3)

0.6

mA

I

DD1

Logic Current

(Note 4)

0.36

mA

I

IH

Input Leakage

V

DD1 = 3.6V, VIN = 3.6V

1

µA

I

IL

Input Leakage

V

DD1 = 3.6V, VIN =0V

1

µA

C

IN

Input Capacitance

2

pF

Note 3: CLK frequency = 32.5 MHz, VDD1 = 3.3V, VSS1 =VSS2 = 0.0V, RIREF = 220 kΩ, charge share time = 1.5µs, line time = 22µs.

Note 4: CLK frequency = 32.5 MHz, VDD1 = 2.5V, VSS1 =VSS2 = 0.0V, RIREF = 220 kΩ, charge share time = 1.5µs, line time = 22µs.

Analog Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Units

I

DD2

Supply Current Consumption

(Note 5)

4.0

mA

PD

Power Dissipation

(Note 5)

40

mW

V

GMA1

Upper RDAC High Side Input

(Note 6)

V

DD2/2 + 0.2

V

DD2 − 0.2

V

GMA6

Upper RDAC Low Side Input

(Note 6)

V

DD2/2 + 0.2

V

DD2 − 0.2

V

GMA7

Lower RDAC High Side Input

VDD2

≥ 8.5V(Note 6)

0.2

V

DD2/2 − 0.2

V

VDD2 < 8.5V

0.2

V

DD2/2 − 0.4

V

GMA12

Lower RDAC Low Side Input

(Note 6)

0.2

V

DD2/2 − 0.2

V

HBIAS

Voltage of High Bias Current

Supply:

V

HBIAS =VDD2

V

DD2

V

DD2

Separate V

HBIAS Supply

≥ V

GMA1 +

1.5V and

≥

8.5V

V

DD2 + 2.0

V

CS

Charge Share Voltage

The Greater

of V

DD1 or

V

GMA7

V

GMA6

V

C

LOAD

Output Capacitive Load

30

80

pF

V

OUT

Output Voltage Range

V

SS2 + 0.2

V

DD2 − 0.2

V

A

IREF

I

REF to IMAX Gain Factor

(Note 7)

8

10

12

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