Datasheet
3
www.ti.com
TSC2200
SBAS191F
ELECTRICAL CHARACTERISTICS
At –40°C to +85°C, +V
DD
= +2.7V, internal V
REF
= +2.5V, conversion clock = 2MHz, and 12-bit mode, unless otherwise noted.
TSC2200IPW TSC2200IRHB
PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
AUXILIARY ANALOG INPUT
Input Voltage Range 0 +V
REF
✻✻V
Input Capacitance 25 ✻ pF
Input Leakage Current ±1 ✻ µA
BATTERY MONITOR INPUT
Input Voltage Range 0.5 6.0 ✻✻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 ±2 ±3LSB
Offset Error ±6 ✻ LSB
Gain Error Excluding Reference Error ±6 ✻ LSB
Noise 30 ✻ µVrms
Power-Supply Rejection 80 ✻ dB
D/A CONVERTER
Output Current Range Set by Resistor from ARNG to GND 650 500 µA
Resolution 8 ✻ Bits
Integral Linearity ±2 ✻ LSB
VOLTAGE REFERENCE
Voltage Range Internal 2.5V 2.45 2.5 2.55 ✻✻✻ V
Internal 1.25V 1.225 1.25 1.275 ✻✻1.285 V
Reference Drift 20 ✻ ppm/°C
External Reference Input Range 1.0 V
DD
✻✻V
Current Drain 20 ✻ µA
DIGITAL INPUT/OUTPUT
Internal Clock Frequency 8 ✻ MHz
Logic Family CMOS ✻
Logic Levels:V
IH
I
IH
= +5µA0.7V
DD
✻ V
V
IL
I
IL
= +5µA –0.3 0.3V
DD
✻✻V
V
OH
I
OH
= 2 TTL Loads 0.8V
DD
✻ V
V
OL
I
OL
= 2 TTL Loads 0.4 ✻ V
POWER-SUPPLY REQUIREMENTS
Power-Supply Voltage, +V
DD
Specified Performance 2.7 3.6 ✻✻V
Quiescent Current
See Note (1) 1.25 2.3
✻ 2.5
mA
See Note (2) 500
✻
µA
Power-Down 3 ✻ µA
TEMPERATURE RANGE
Specified Performance –40 +85 ✻✻°C
✻ Specifications same as TSC2200IPW.
NOTES: (1)
AUX1 conversion, no averaging, no REF power down, 50µs conversion. (2) AUX1 conversion, no averaging,
external reference
, 50µs conversion.