Datasheet

MAX1169
58.6ksps, 16-Bit, 2-Wire Serial ADC
in a 14-Pin TSSOP
8 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
DVDD
= +3.0V, V
AVDD
= +5.0V, f
SCL
= 1.7MHz (33% duty cycle), f
SAMPLE
= 58.6ksps, V
REF
= +4.096V, external reference applied
to REF, REFADJ = AVDD, C
REF
= 10μF, T
A
= +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. CONVERSION RATE
(HIGH-SPEED MODE, INTERNAL REFERENCE)
MAX1169 toc08
CONVERSION RATE (ksps)
SUPPLY CURRENT (μA)
605030 402010
200
400
600
800
1000
1200
1400
1600
1800
2000
0
070
INTERNAL REFERENCE, f
SCL
= 1.7MHz
I
AVDD
, R/W = 1
I
AVDD
, R/W = 0
I
DVDD
, R/W = 1 OR 0
100
200
300
400
500
600
700
800
900
0
SUPPLY CURRENT vs. CONVERSION RATE
(HIGH-SPEED MODE, EXTERNAL REFERENCE)
MAX1169 toc09
CONVERSION RATE (ksps)
SUPPLY CURRENT (μA)
605030 402010070
EXTERNAL REFERENCE, f
SCL
= 1.7MHz
I
DVDD
, R/W = 1 OR 0
I
AVDD
, R/W = 1 OR 0
SUPPLY CURRENT vs. CONVERSION RATE
(FAST MODE, INTERNAL REFERENCE)
MAX1169 toc10
CONVERSION RATE (ksps)
SUPPLY CURRENT (μA)
2015105
200
400
600
800
1000
1200
1400
1600
1800
0
025
INTERNAL REFERENCE, f
SCL
= 400kHz
I
AVDD
, R/W = 1
I
AVDD
, R/W = 0
I
DVDD
, R/W = 1 OR 0
100
200
300
400
500
600
0
SUPPLY CURRENT vs. CONVERSION RATE
(FAST MODE, EXTERNAL REFERENCE)
MAX1169 toc11
CONVERSION RATE (ksps)
SUPPLY CURRENT (μA)
2015105025
EXTERNAL REFERENCE, f
SCL
= 400kHz
I
DVDD
, R/W = 1 OR 0
I
AVDD
, R/W = 1 OR 0