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MAX9673ETI

10-Bit, Programmable Gamma Reference Systems with MTP for TFT LCDs

Maxim Integrated 

10-Bit, Programmable Gamma Reference

Systems with MTP for TFT LCDs

ABSOLUTE MAXIMUM RATINGS

Supply Voltages

AVDD, REF to GND ............................................-0.3V to +22V

AVDD_AMP to AGND_AMP................................-0.3V to +22V

AVDD to AVDD_AMP.........................................-0.3V to +0.3V

DVDD to GND.......................................................-0.3V to +4V

AGND_AMP to GND..........................................-0.1V to +0.1V

Outputs

GMA1–GMA16 ...................................-0.3V to (VAVDD + 0.3V)

VCOM .........................................-0.3V to (VAVDD_AMP + 0.3V)

Inputs

SDA, SCL..............................................................-0.3V to +6V

VCOM_FB...................................-0.3V to (VAVDD_AMP + 0.3V)

SDA, SCL..........................................................................±20mA

GMA1–GMA16................................................................±200mA

VCOM .............................................................................±600mA

Continuous Power Dissipation (TA = +70°C)

28-Pin TQFN-EP (derate 28.6mW/°C

above +70°C) ........................................................2285.7mW

Operating Temperature Range ...........................-40°C to +85°C

Junction Temperature ......................................................+150°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

Soldering Temperature (reflow) ...................................... +260°C

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

ELECTRICAL CHARACTERISTICS

(VAVDD = 18V, VAVDD_AMP = VREF = 18V, VDVDD = 3.3V, VGND = VAGND_AMP = 0, VCOM = VCOM_FB, no load, TA = TMIN to TMAX,

unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

SUPPLIES

Analog Supply Voltage Range

VAVDD, Guaranteed by total output error

9

VAVDD_AMP

Analog Supply Voltage Range for

Programming MTP

VAVDD_MTP

15

Digital Supply Voltage Range

VDVDD

2.7

Analog Quiescent Current

IAVDD

VCOM Quiescent Current

IAVDD_AMP

Digital Quiescent Current

IDVDD

During a register mode load event

No SCL or SDA transitions

Thermal Shutdown

Thermal-Shutdown Hysteresis

Undervoltage Lockout Threshold

UVLO

DVDD undervoltage lockout voltage

threshold

REF Input Resistance

VCOM OUTPUT (VCOM)

Resolution

RES

10

Integral Nonlinearity Error

INL

Differential Nonlinearity Error

DNL

Total Output Error

VERR

Code = 512, VAVDD_AMP = 9V and 20V, TA -40

= +25°C

Total Output-Error Drift

Output-Voltage Low

∆VERR

VOUT

Code = 512

TA = +25°C, sinking 100mA

TYP MAX UNITS

20

V

20

V

3.6

V

20

35

mA

2.7

5.6

mA

400

µA

260

600

+160

°C

15

°C

2.3

2.6

V

384

kΩ

Bits

0.125

1

LSB

0.125

1

LSB

+40

mV

15

µV/°C

0.4

0.85

V

2 _______________________________________________________________________________________

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