English
Language : 

MAX1169N Datasheet, PDF (9/20 Pages) Maxim Integrated Products – 58.6ksps, 16-Bit, 2-Wire Serial ADC in a 14-Pin TSSOP
◁
58.6ksps, 16-Bit, 2-Wire Serial ADC
in a 14-Pin TSSOP
Typical Operating Characteristics (continued)
(DVDD = +3.0V, AVDD = +5.0V, fSCL = 1.7MHz (33% duty cycle), fSAMPLE = 58.6ksps, VREF = +4.096V, external reference applied to
REF, REFADJ = AVDD, CREF = 10µF, TA = +25°C, unless otherwise noted.)
INTERNAL +4.096V REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
4.100
DVDD = 3V
4.095
TA = +85°C
4.090
4.085
TA = +70°C
TA = +25°C
TA = 0°C
4.080
TA = -40°C
4.075
4.75 4.85 4.95 5.05 5.15 5.25
AVDD (V)
INTERNAL REFERENCE VOLTAGE
vs. REF LOAD
4.20
fSCL = 0
INTERNAL REFERENCE MODE
4.15
LOAD APPLIED TO REF
4.10
4.05
4.00
3.95
3.90
0123456
IREF (mA)
EXTERNAL REFERENCE CURRENT
vs. EXTERNAL REFERENCE VOLTAGE
35
AIN = AGNDS
30
25
58.6ksps
fSCL = 1.7MHz
20
19ksps
15
fSCL = 400kHz
10
5
0
0123456
VREF (V)
EXTERNAL REFERENCE CURRENT AND
REFERENCE VOLTAGE vs. VREFADJ
30
MAX1169 toc15 4.25
AIN = AGNDS
20
4.20
10
IREFADJ
4.15
0
4.10
-10
4.05
VREF
-20
4.00
-30
3.95
3.95 4.00 4.05 4.10 4.15 4.20 4.25
VREFADJ (V)
_______________________________________________________________________________________ 9
 ▷