TPS65168 datasheet(3/35 Pages) TI1

No. de pieza	TPS65168

Descripción Electrónicos	Programmable Gamma-Voltage Generator and High Slew Rate VCOM

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Fabricante Electrónico	TI1 [Texas Instruments]

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BUF08630

www.ti.com

SBOS515A – OCTOBER 2010 – REVISED AUGUST 2012

ELECTRICAL CHARACTERISTICS

Boldface limits apply over the specified temperature range, TA = –40°C to +95°C.

At TA = +25°C, VS = +18 V, VSH = 9.0 V, VSD = +2 V, and CL = 200 pF, unless otherwise noted.

BUF08630

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

ANALOG GAMMA BUFFER CHANNELS

Reset value

Code = 512

9

V

OUT1, 4 output swing: high

Code = 1023, sourcing 10 mA

17.7

17.85

V

OUT1, 4 output swing: low

Code = 512, sinking 10 mA

VSH + 0.07

VSH + 0.3

V

OUT2, 3 output swing: high

Code = 1023, sourcing 10 mA

17.5

17.85

V

OUT2, 3 output swing: low

Code = 512, sinking 10 mA

VSH + 0.07

VSH + 0.5

V

OUT5, 8 output swing: high

Code = 511, sourcing 10 mA

VSH – 0.3

VSH – 0.15

V

OUT5, 8 output swing: low

Code = 0, sinking 10 mA

0.05

0.3

V

OUT6, 7 output swing: high

Code = 511, sourcing 10 mA

VSH – 0.5

VSH – 0.15

V

OUT6, 7 output swing: low

Code = 0, sinking 10 mA

0.05

0.5

V

VCOM output swing: high

(1)

Code = 960, sourcing 400 mA

13

15.3

V

VCOM output swing: low

(1)

Code = 0, sinking 400 mA

3.8

5

V

vs Temperature

Code = 0, sinking 400 mA

6

V

VCOM slew rate

(2)

RLOAD = 60 Ω, CLOAD = 100 pF

45

V/

μs

Continuous output current

Note (3)

30

mA

Output accuracy, VCOM

(4)

Code = 512

±20

±50

mV

vs Temperature

Code = 512

±25

μV/°C

Output accuracy, OUT1 to OUT4

Code = 768, VSH = 9 V, VS = 18 V

±20

±50

mV

vs Temperature

Code = 768

±25

μV/°C

Output accuracy, OUT5 to OUT8

Code = 256, VSH = 9 V, VS = 18 V

±20

±50

mV

vs Temperature

Code = 256

±25

μV/°C

Integral nonlinearity(4)

INL

0.3

LSB

Differential nonlinearity(4)

DNL

0.3

LSB

OUT1 to OUT4 code = 768, IOUT = +5-mA to –5-mA step

0.5

1.5

mV/mA

Load regulation

REG

OUT5 to OUT8 code = 256, IOUT = +5-mA to –5-mA step

0.5

1.5

mV/mA

OTP MEMORY

Number of OTP write cycles

16

Cycles

Memory retention

100

Years

ANALOG POWER SUPPLY

Operating range

9

20

V

OUT1 to OUT4 set code = 768,

Total analog supply current

IS

6.9

11

mA

OUT5 to OUT8 set code = 256, no load

Over temperature

11

mA

DIGITAL

Logic 1 input voltage

VIH

0.7 × VSD

V

Logic 0 input voltage

VIL

0.3 × VSD

V

Logic 0 output voltage

VOL

ISINK = 3-mA

0.15

0.4

V

Input leakage

±0.01

±10

μA

Standard/Fast mode

400

kHz

Clock frequency

fCLK

High-Speed mode

3.4

MHz

DIGITAL POWER SUPPLY

Specified range

DVDD

2.0

5.5

V

Digital supply current(3)

DIDD

Outputs at reset values, no load, two-wire bus inactive

115

180

μA

Over temperature

115

180

μA

(1)

The BUF08630 VCOM DAC limits can be programmed. These default limits apply if the device is not programmed. See the

Programmable Vcom Limits section.

(2)

See Figure 19, Large-Signal Step Response, VCOM.

(3)

Observe maximum power dissipation.

(4)

The VCOM output voltage is limited to codes 0 to 960 because of the common-mode input range of the VCOM amplifier. This limitation is

for VCOM only; it does not affect DAC OUT1 to 8.

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