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TSC2003IPWR 数据表(PDF) 3 Page - Texas Instruments

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部件名 TSC2003IPWR
功能描述  I2C TOUCH SCREEN CONTROLLER
PDF  22 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TSC2003IPWR 数据表(HTML) 3 Page - Texas Instruments

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TSC2003
3
SBAS162D
www.ti.com
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ANALOG INPUT
Full-Scale Input Span
0VREF
V
Absolute Input Range
–0.2
+VDD +0.2
V
Capacitance
25
pF
Leakage Current
0.1
µA
SYSTEM PERFORMANCE
Resolution
12
Bits
No Missing Codes
Standard and Fast Mode
11
Bits
High-Speed Mode
10
Bits
Integral Linearity Error
Standard and Fast Mode
±2
LSB(1)
High-Speed Mode
±4
LSB
Offset Error
±6
LSB
Gain Error
±4
LSB
Noise
Including Internal VREF
70
µVrms
Power-Supply Rejection Ratio
70
dB
SAMPLING DYNAMICS
Throughput Rate
50
ksps
Channel-to-Channel Isolation
VIN = 2.5Vp-p at 50kHz
100
dB
SWITCH DRIVERS
On-Resistance
Y+, X+
5.5
Ω
Y–, X–
7.3
Ω
Drive Current(2)
Duration 100ms
50
mA
REFERENCE OUTPUT
Internal Reference Voltage
2.45
2.50
2.55
V
Internal Reference Drift
25
ppm/
°C
Output Impedance
Internal Reference ON
300
Ω
Internal Reference OFF
1
G
Ω
Quiescent Current
PD1 = 1, PD0 = 0, SDA, SCL High
750
µA
REFERENCE INPUT
Range
2.0
VDD
V
Resistance
PD1 = PD0 = 0
1
G
Ω
BATTERY MONITOR
Input Voltage Range
0.5
6.0
V
Input Impedance
Sampling Battery
10
k
Ω
Battery Monitor OFF
1
G
Ω
Accuracy
External VREF = 2.5V
–2+2
%
Internal Reference
–3+3
%
TEMPERATURE MEASUREMENT
Temperature Range
–40
+85
°C
Resolution
Differential Method(3)
1.6
°C
TEMP0(4)
0.3
°C
Accuracy
Differential Method(3)
±2
°C
TEMP0(4)
±3
°C
DIGITAL INPUT/OUTPUT
Logic Family
CMOS
Logic Levels, Except PENIRQ
VIH
| IIH | ≤ +5µA+VDD • 0.7
+VDD + 0.3
V
VIL
| IIL | ≤ +5µA
–0.3
+VDD • 0.3
V
VOH
IOH = –250µA+VDD • 0.8
V
VOL
IOL = 250µA
0.4
V
PENIRQ VOL
30k
Ω Pull-Up
0.4
V
Data Format
Straight
Binary
Input Capacitance
SDA, SCL Lines
10
pF
ELECTRICAL CHARACTERISTICS
At TA = –40°C to +85°C, +VDD = +2.7V, VREF = 2.5V external voltage, I2C bus frequency = 3.4MHz, 12-bit mode and digital inputs = GND or +VDD, unless
otherwise noted.
TSC2003I



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