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TSC2011IYZKR Datasheet(PDF) 3 Page - Texas Instruments

No. de pieza TSC2011IYZKR
Descripción Electrónicos  Nanopower, 4-Wire Resistive Touch and Haptic Controller with I2C??Serial Interface
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TSC2011IYZKR Datasheet(HTML) 3 Page - Texas Instruments

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TSC2011
www.ti.com
SBAS516
– NOVEMBER 2011
ELECTRICAL CHARACTERISTICS
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
AUXILARY ANALOG INPUTS
Input voltage range
0
VDD
V
ADC sampling capacitance
15
pF
Input leakage current
No ADC conversion
–1
+1
µA
Full-scale average input current
VDD = 1.6V, continuous AUX, fADC = 2 MHz
±2
µA
ANALOG-TO-DIGITAL CONVERTER
Resolution
Programmable: 10 or 12 bits
12
Bits
No missing codes
12-bit resolution
11
Bits
Integral linearity
12-bit resolution, fADC = 2 MHz
–2
±0.5
+2
LSB(1)
Differential linearity
12-bit resolution, fADC = 2 MHz
–2
±0.5
+2
LSB
TSC2011IRTJ
–5
1
+5
VDD = 1.6V, 12-bit resolution, fADC =
Offset error
LSB
2 MHz
TSC2011IYZK
1
TSC2011IRTJ
–3
0
+3
VDD = 1.6V, 12-bit resolution, fADC =
Gain error
LSB
2 MHz
TSC2011IYZK
0
TOUCH SENSORS
X+ 50k
Ω pull-up resistor, RIRQ
50
K
X, Y drivers on-resistance
TA = +25°C, VDD = 1.6V, 1mA test current
7
Max resistance
X+, X
1
difference between
Y+, Y
1
drivers
X, Y drivers drive current(2)
100ms duration
50
mA
INTERNAL TEMPERATURE SENSOR
Temperature range
–40
+85
°C
VDD = 1.6V
1
Differential
°C/LSB
method(3)
VDD = 3V
1.88
Resolution
VDD = 1.6V
0.19
TEMP1(4)
°C/LSB
VDD = 3V
0.36
TSC2011IRTJ
2.575
Differential temperature coefficient
°C/mV
TSC2011IYZK
2.560
INTERNAL OSCILLATOR
VDD = 1.6V, TA = 25°C
3.3
3.8
4.3
Clock frequency, fOSC
MHz
VDD = 3.0V, TA = 25°C
4
VDD = 1.6V
±0.01
Frequency drift
%/C
VDD = 3.0V
–0.02
HAPTIC FEEDBACK CONTROL/PORT
Haptic voltage range HVDD
1.2
3.6
V
Maximum haptic driving current,
HVDD = 3.3V, With over current protection on
250
mA
H+/U+ and H
–/U– pins
Haptic quiescent current
HVDD = 3.3V, Internal bridge, No load, TPWM = 50 µs, TA = 25°C
80
µA
Haptic powerdown current
HVDD = 3.3V, Driver OFF, TA = 25°C
0.07
µA
HVDD = 3.3V, TA = 25°C
0.5
1.5
4
Ω
RDS(ON) resistance
HVDD = 2.0V, TA = 25°C
2
Ω
Over Current protection limit
HVDD = 3.3V, OVF set to "1" if over current detected
175
250
310
mA
Leakage current
H+/U+ and H
–/U– pins
–1
1
µA
(1)
LSB means Least Significant Bit. With VDD = 1.6V, one LSB is 390µV.
(2)
Assured by design, but not tested. Exceeding 50mA source current may result in device degradation.
(3)
Difference between TEMP1 and TEMP2 measurement; no calibration necessary.
(4)
Temperature drift: TEMP1 =
–2.024mV/°C, TEMP2 = –1.661mV/°C.
Copyright
© 2011, Texas Instruments Incorporated
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