MAX1169N Datasheet, PDF (8/20 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)
(DV_DD = +3.0V, AV_DD = +5.0V, f_SCL = 1.7MHz (33% duty cycle), f_SAMPLE = 58.6ksps, V_REF = +4.096V, external reference applied to
REF, REFADJ = AV_DD, C_REF = 10µF, T_A = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. CONVERSION RATE
(HIGH-SPEED MODE, INTERNAL REFERENCE)
2000
1800 ^{INTERNAL REFERENCE, fSCL = 1.7MHz}
1600
I_AVDD, R/W = 1
1400
1200
1000
I_AVDD, R/W = 0
800
600
400
I_DVDD, R/W = 1 OR 0
200
0
0 10 20 30 40 50 60 70
CONVERSION RATE (ksps)
SUPPLY CURRENT vs. CONVERSION RATE
(HIGH-SPEED MODE, EXTERNAL REFERENCE)
900
EXTERNAL REFERENCE, f_SCL = 1.7MHz
800
700
I_AVDD, R/W = 1 OR 0
600
500
400
300
I_DVDD, R/W = 1 OR 0
200
100
0
0 10 20 30 40 50 60 70
CONVERSION RATE (ksps)
SUPPLY CURRENT vs. CONVERSION RATE
(FAST MODE, INTERNAL REFERENCE)
1800
INTERNAL REFERENCE, f_SCL = 400kHz
1600
1400 ^IAVDD^{, R/W = 1}
1200
1000
I_AVDD, R/W = 0
800
600
400
I_DVDD, R/W = 1 OR 0
200
0
0
5
10
15
20
25
CONVERSION RATE (ksps)
SUPPLY CURRENT vs. CONVERSION RATE
(FAST MODE, EXTERNAL REFERENCE)
600
EXTERNAL REFERENCE, f_SCL = 400kHz
500
I_AVDD, R/W = 1 OR 0
400
300
200
I_DVDD, R/W = 1 OR 0
100
0
0
5
10
15
20
25
CONVERSION RATE (ksps)
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