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TSC2046EQPWRQ1 데이터시트(PDF) 3 Page - Texas Instruments

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부품명 TSC2046EQPWRQ1
상세설명  LOW-VOLTAGE I/O TOUCH SCREEN CONTROLLER
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제조업체  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI1 - Texas Instruments

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TSC2046E-Q1
www.ti.com
SBAS510 – JUNE 2010
ABSOLUTE MAXIMUM RATINGS
(1) (2)
over operating free-air temperature range (unless otherwise noted)
VCC
Supply voltage range
+VCC, IOVDD
-0.3 V to 6 V
Digital inputs
-0.3 V to +VCC + 0.3 V
VI
Input voltage range
Analog inputs
-0.3 V to +VCC + 0.3 V
PD
Power dissipation
250 mW
qJA
Package thermal impedance, junction to free air
108.4°C
TA
Operating free-air temperature range
-40°C to 125°C
TJ
Maximum junction temperature
150°C
Tstg
Storage temperature range
-65°C to 150°C
IEC Contact Discharge(3)
X+, X-, Y+, Y-
±15kV
(1)
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 under recommended operating
conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
All voltages are referenced to GND.
(3)
Test method based on IEC Std 61000-4-2. Contact Texas Instruments for test details.
ELECTRICAL CHARACTERISTICS
TA = -40°C to 125°C, +VCC = 2.7V, VREF = 2.5V internal voltage, fSAMPLE = 125kHz, fCLK = 16 × fSAMPLE = 2MHz, 12-bit mode,
digital inputs = GND or IOVDD, +VCC ≥ IOVDD (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Analog Input
VI
Full-scale input voltage span
Positive Input-Negative Input
0
VREF
V
Positive Input
-0.2
+VCC + 0.2
VI
Absolute input voltage
V
Negative Input
-0.2
+0.2
Ci
Capacitance
25
pF
Ileak
Leakage current
0.1
µA
System Performance
Resolution
12
bits
No missing codes
11
bits
Integral linearity error
±2 LSB(1)
Offset error
±6
LSB
Gain error
External VREF
±4
LSB
Vn
Noise
Including internal VREF, RMS
70
µV
PSRR
Power-supply rejection ratio
70
dB
Sampling Dynamics
CLK
Conversion time
12
cycles
CLK
Acquisition time
3
cycles
Throughput rate
125
kHz
Multiplexer settling time
500
ns
Aperture delay
30
ns
Aperture jitter
100
ns
Channel-to-channel isolation
VIN = 2.5 Vpp at 50 kHz
100
dB
Switch Drivers
Y+, X+ on-resistance
5
Y-, X- on-resistance
6
Drive current(2)
Duration 100 ms
50
mA
(1)
LSB = least significant bit. With VREF equal to 2.5 V, one LSB is 610 µV.
(2)
Specified by design. Exceeding 50-mA source current may result in device degradation.
Copyright © 2010, Texas Instruments Incorporated
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