TSC2011 datasheet(4/8 Pages) TI1

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TSC2011

SBAS516

– NOVEMBER 2011

www.ti.com

ELECTRICAL CHARACTERISTICS (continued)

At TA = –40°C to +85°C, VDD = +1.2V to +3.6V, HVDD = 1.2V to 3.6V, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

DIGITAL INPUT/OUTPUT

Logic Family

CMOS

VIH

0.7 x VDD

VIL

–0.3

0.2 x VDD

IIL, IIH

–1

µA

CIN

Logic level

VOH

IOH = 100 µA, PINTDAV and GPO

VDD – 0.2

VDD

VOL

IOL = –3.2mA, GPO, PINTDAV and SDA

0.2

ILEAK

Floating output, SDA

–1

µA

COUT

Floating output, SDA

Straight

AUX Input Data Format

Binary

POWER-SUPPLY REQUIREMENTS

Power-supply voltage

VDD, HVDD

(5)

Specified Performance

1.2

3.6

TA = 25°C, Filter off, M = W = 1,

C[3:0] = (1,0,0,0), RM = 1, CL[1:0] =

VDD = 1.6V

615

750

µA

(0,1), Continuous AUX mode, fADC =

2MHz, Without reading data register

TA = 25°C, Filter ON, M = 15, W = 7,

VDD = 1.6V

280

PSM = 1, C[3:0] = (0,0,0,0), RM = 1,

CL[1:0] = (0,1), BTD[2:0] = (1,0,1),

50SSPS, MAVEX = MAVEY =

µA

VDD = 3V

650

MAVEZ = 1, fADC = 2MHz, High

speed mode, Sensor drivers supply

current included.(7)

TA = 25°C, Filter OFF, M = W = 1,

VDD = 1.6V

260

PSM = 1, C[3:0] = (0,0,0,0), RM = 1,

CL[1:0] = (0,1), BTD[2:0] = (1,0,1),

50SSPS, MAVEX = MAVEY =

µA

VDD = 3.V

600

MAVEZ = 1, fADC = 2MHz, High

speed mode, Sensor drivers supply

Quiescent supply current(6)

current included.(7)

VDD = 1.6V, ~30.2ksps

TA = 25°C, filter OFF, M = W = 1,

290

effective rate

C[3:0] = (0,1, 0,1), RM = 1, CL[1:0] =

µA

(0,1), Noncontinuous AUX mode,

VDD = 3.V, ~30.7ksps effective

600

fADC = 2MhZ, High speed mode

rate

TA = 25°C, filter ON, M = 7, W = 3,

VDD = 1.6V, ~11.4ksps

520

C[3:0] = (0,1, 0,1), RM = 1, CL[1:0] =

effective rate

(0,1), MAVEAUX = 1, Noncontinuous

µA

VDD = 3.V, ~11.9ksps effective

AUX mode, fADC = 2MHz, High

1050

rate

speed mode, Full speed

TA = 25°C, Filter ON, M = 7, W = 3,

VDD = 1.6V, ~1.17ksps

53.4

C[3:0] = (0,1, 0,1), RM = 1, CL[1:0] =

effective rate

(0,1), MAVEAUX = 1, Noncontinuous

µA

AUX mode, fADC = 2MHz, High

VDD = 3.V, ~1.17ksps effective

103.2

speed mode, Reduced speed

rate

(8.2ksps equivalent rate).

TA = +25°C, Not addressed, SCL = SDA = RESET = VDD = 1.6V,

Power-down supply current

0.07

0.8

µA

PINTDAV = 1

(5)

The TSC2011 can work with a supply voltage down to 1.2V if the internal clock is set to 1MHz (slow) and an ADC long sampling time is

used. To set the internal clock to 1MHz CL[1:0] =

"10" or "11" and LSM of Configuration register 0 is set to "1". Note that the I2C

interface High speed Mode is limited to 1.7MHz. Check with the factory for further details, if needed.

(6)

For detailed information on test condition parameter and bit settings, see the Digital Interface section.

(7)

Touch sensor modeled by: 2k

Ω for X-plane and Y-plane, and 1kΩ for Z (touch resistance), in the single-touch scenario.

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