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TSC2000IPW 数据表(PDF) 3 Page - Texas Instruments

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部件名 TSC2000IPW
功能描述  PDA ANALOG INTERFACE CIRCUIT
PDF  34 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TSC2000IPW 数据表(HTML) 3 Page - Texas Instruments

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TSC2000
SBAS257
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
AUXILIARY ANALOG INPUT
Input Voltage Range
0+VREF
V
Input Capacitance
25
pF
Input Leakage Current
±1
µA
BATTERY MONITOR INPUT
Input Voltage Range
VBAT1
0.5
6.0
V
Input Voltage Range
VBAT2
0.5
3.0
V
Input Capacitance
25
pF
Input Leakage Current
±1
µA
Accuracy
–3+3
%
TEMPERATURE MEASUREMENT
Temperature Range
–40
+85
°C
Temperature Resolution
0.3
°C
Accuracy
±2
°C
A/D CONVERTER
Resolution
Programmable: 8-, 10-, or 12-Bits
12
Bits
No Missing Codes
12-Bit Resolution
11
Bits
Integral Linearity
±2LSB
Offset Error
±6LSB
Gain Error
Excluding Reference Error
±6LSB
Noise
30
µVrms
Power-Supply Rejection
80
dB
D/A CONVERTER
Output Current Range
Set by Resistor from ARNG to GND
650
µA
Resolution
8
Bits
Integral Linearity
±2LSB
VOLTAGE REFERENCE
Voltage Range
Internal 2.5V
2.45
2.5
2.55
V
Internal 1.25V
1.225
1.25
1.275
V
Reference Drift
20
ppm/
°C
External Reference Input Range
1.0
VDD
V
Current Drain
External Reference
20
µA
DIGITAL INPUT/OUTPUT
Internal Clock Frequency
8MHz
Logic Family
CMOS
Logic Levels:
VIH
IIH = +5µA0.7VDD
V
VIL
IIL = +5µA
–0.3
0.3VDD
V
VOH
IOH = 2 TTL Loads
0.8VDD
V
VOL
IOL = 2 TTL Loads
0.4
V
POWER-SUPPLY REQUIREMENTS
Power-Supply Voltage, +VDD
Specified Performance
2.7
3.6
V
Quiescent Current
See Note (1)
1.25
2.3
mA
See Note (2)
500
µA
Power Down
3
µA
TEMPERATURE RANGE
Specified Performance
–40
+85
°C
NOTES: (1) AUX1 conversion, no averaging, no REF power down, 50
µs conversion. (2) AUX1 conversion, no averaging, external reference, 50µs conversion.
ELECTRICAL CHARACTERISTICS
At –40
°C to +85°C, +V
DD = +2.7V, internal VREF = +2.5V, conversion clock = 2MHz, 12-bit mode, unless otherwise noted.
TSC2000IPW



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