Datasheet

TSC2003
4
SBAS162G
www.ti.com
PARAMETER CONDITIONS MIN TYP MAX UNITS
POWER-SUPPLY REQUIREMENTS
+V
DD
Specified Performance 2.7 3.6 V
Operating Range 2.5 5.25 V
Quiescent Current Internal Reference OFF,
PD1 = PD0 = 0
High-Speed Mode: SCL = 3.4MHz 254 650 µA
Fast Mode: SCL = 400kHz 95 µA
Standard Mode: SCL = 100kHz 63 µA
Internal Reference ON, PD0 = 0 1005 µA
Power-Down Current when Part is Internal Reference OFF,
Not Addressed PD1 = PD0 = 0
High-Speed Mode: SCL = 3.4MHz 90 µA
Fast Mode: SCL = 400kHz 21 µA
Standard Mode: SCL = 100kHz 4 µA
PD1 = PD0 = 0, SDA = SCL = +V
DD
3 µA
Power Dissipation +V
DD
= +2.7V 1.8 mW
TEMPERATURE RANGE
Specified Performance –40 +85 °C
NOTES: (1) LSB means Least Significant Bit. With V
REF
equal to +2.5V, one LSB is 610µV. (2) Ensured by design, but not tested. Exceeding 50mA source current may
result in device degradation. (3) Difference between TEMP0 and TEMP1 measurement. No calibration necessary. (4) Temperature drift is –2.1mV/°C.
ELECTRICAL CHARACTERISTICS (Cont.)
At T
A
= –40°C to +85°C, +V
DD
= +2.7V, V
REF
= 2.5V external voltage, I
2
C bus frequency = 3.4MHz, 12-bit mode and digital inputs = GND or +V
DD
, unless
otherwise noted.
TSC2003I
TIMING DIAGRAM
t
rCL
t
BUF
t
LOW
t
fCL
t
HD; STA
t
SP
t
rCL1
t
HD; STA
t
SU; STA
t
HD; DAT
t
SU; DAT
t
HIGH
t
SU; STO
SCL
SDA
t
fDA
t
rDA
START REPEATED
START
STOP