MAX6682 Maxim Integrated Products, MAX6682 Datasheet - Page 3

• Manufacturer Part Number: MAX6682
• Description: Thermistor-to-Digital Converter
• Manufacturer: Maxim Integrated Products

TIMING CHARACTERISTICS
(V
Note 1: All specifications are 100% tested at T
Note 2: Guaranteed by design.
(V
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
SERIAL INTERFACE TIMING (Figures 5 and 6)
Serial Clock Frequency
SCK Pulse High Width
SCK Pulse Low Width
CS Fall to SCK Rise
CS Fall to Output Data Valid
SCK Fall to Output Data Valid
CS Rise to Output High-Z
SCK Fall to Output High-Z
CS Pulse Width
CC
CC
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
= 3V to 5.5V, T
= 5V, thermistor = 10k nominal, R
0
vs. POWER-SUPPLY NOISE FREQUENCY
V
APPLIED TO V
NO V
V
not production tested.
IN
IN
PARAMETER
= SQUARE WAVE
= 250mV
CC
5
BYPASS CAPACITOR
TEMPERATURE ERROR
P-P
FREQUENCY (MHz)
CC
10
WITH
A
_______________________________________________________________________________________
= T
MIN
15
to T
20
MAX
SYMBOL
, unless otherwise noted. Typical values are specified at V
t CSW
t CSS
f SCL
EXT
t HIZ
25
t CH
t DO
t CL
t DV
t TR
= 7680Ω, T
Thermistor-to-Digital Converter
A
100
= +25°C. Specification limits over temperature are guaranteed by design,
90
80
70
60
50
40
C L = 10pF
C L = 10pF
C L = 10pF
C L = 10pF
1k
SCK IS DRIVEN
RAIL-TO-RAIL
A
= +25°C, unless otherwise noted.)
AVERAGE SUPPLY CURRENT
vs. CLOCK FREQUENCY
10k
SCK FREQUENCY (Hz)
®
CONDITIONS
100k
Typical Operating Characteristics
1M
10M
100
90
80
70
60
50
40
30
CC
3.0
MIN
= 3.3V and T
50
50
35
75
AVERAGE SUPPLY CURRENT
3.5
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
TYP
4.0
A
= +25°C.) (Note 2)
4.5
MAX
35
35
25
35
5
5.0
UNITS
MHz
ns
ns
ns
ns
ns
ns
ns
ns
5.5
3