Instruction Manual

MAX6662
12-Bit + Sign Temperature Sensor with
SPI-Compatible Serial Interface
_______________________________________________________________________________________ 3
-3
0
-1
-2
1
2
3
-50 3010-30 -10 50 70 90 110 130 150
TEMPERATURE ERROR
VS. TEMPERATURE
MAX6662 toc01
TEMPERATURE (°C)
TEMPERATURE ERROR (°C)
V
CC
= +5.0V
V
CC
= +3.3V
V
CC
= +3.0V
0
20
10
40
30
50
60
80
70
90
-0.45-0.35 -0.25-0.15 0.05 0.15 0.25 0.35 0.45
TEMPERATURE ERROR DISTRIBTUTION
MAX6662 toc02
TEMPERATURE ERROR (°C)
PERCENTAGE OF SAMPLES (%)
NOTE: DEVICES
TRIMMED AT
T
A
= +30°C
200 SAMPLES
T
A
= +30°C
100
120
160
140
180
200
SUPPLY CURRENT VS. TEMPERATURE
MAX6662 toc03
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
-50 500 100 150
V
CC
= +5.0V
AVERAGE OVER 2
V
CC
= +3.3V
V
CC
= +3.0V
Typical Operating Characteristics
(V
CC
= +3V, T
A
= +25°C, unless otherwise noted.)
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3V to +5.5V, T
A
= -55°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C and V
CC
= +3.3V.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
SERIAL INTERFACE TIMING
Serial Clock Frequency f
SCLK
2.5 MHz
SCLK High Pulse Width t
CH
200 ns
SCLK Low Pulse Width t
CL
200 ns
CS High Pulse Width t
CSW
200 ns
SCLK Fall to Output Data Valid t
DO
C
LOAD
= 100pF 100 ns
CS Fall to SCLK Rise t
CSS
100 ns
CS Rise to Output Disable t
TR
C
LOAD
= 100pF 100 ns
CS to SCLK Hold Time t
CSH
0ns
SIO to SCLK Setup Time t
DS
100 ns
SIO to SCLK Hold Time t
DH
0ns
Output Fall Time t
F
10 ns
Note 2: Peak operating current measured during conversion.