MAX1069
58.6ksps, 14-Bit, 2-Wire Serial ADC
in a 14-Pin TSSOP
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7
ANALOG SUPPLY CURRENT vs. ANALOG
SUPPLY VOLTAGE (INTERNAL REFERENCE)
MAX1069 toc01
V
AVDD
(V)
I
AVDD
(mA)
5.155.054.954.85
1.65
1.67
1.69
1.71
1.73
1.75
1.63
4.75 5.25
V
DVDD
= 3V
T
A
= +85°C
T
A
= +70°C
T
A
= +25°C
T
A
= 0°C
T
A
= -40°C
770
780
790
800
810
820
830
760
ANALOG SUPPLY CURRENT vs. ANALOG
SUPPLY VOLTAGE (EXTERNAL REFERENCE)
MAX1069 toc02
V
AVDD
(V)
I
AVDD
(µA)
5.155.054.954.854.75 5.25
V
DVDD
= 3V
T
A
= +85°C
T
A
= +70°C
T
A
= +25°C
T
A
= 0°C
T
A
= -40°C
ANALOG SHUTDOWN CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1069 toc03
V
AVDD
(V)
I
AVDD
(nA)
5.155.054.954.85
200
100
300
400
500
600
700
0
4.75 5.25
T
A
= +85°C
T
A
= +70°C
T
A
= +25°C
T
A
= 0°C
T
A
= -40°C
V
DVDD
= 3V
f
SAMPLE
= 0
R/W = 0
DIGITAL SUPPLY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
MAX1069 toc04
V
DVDD
(V)
I
DVDD
(µA)
5.14.73.9 4.33.53.1
120
140
160
180
200
220
240
260
280
100
2.7 5.5
V
AVDD
= 5V
T
A
= +85°C
T
A
= -40°C
DIGITAL SHUTDOWN CURRENT
vs. DIGITAL SUPPLY VOLTAGE
MAX1069 toc05
V
DVDD
(V)
I
DVDD
(nA)
4.3 4.7 5.13.93.53.1
100
50
150
200
250
300
350
0
2.7 5.5
V
AVDD
= 5V
f
SAMPLE
= 0
R/W = 0
T
A
= +70°C
T
A
= +85°C
T
A
= +25°C
T
A
= 0°C
T
A
= -40°C
OFFSET ERROR
vs. TEMPERATURE
MAX1069 toc06
TEMPERATURE (°C)
OFFSET ERROR (µV)
6035-15 10
-600
-400
-200
0
200
400
600
800
-800
-40 85
GAIN ERROR
vs. TEMPERATURE
MAX1069 toc07
TEMPERATURE (°C)
GAIN ERROR (%FSR)
6035-15 10
-0.006
-0.004
-0.002
0
0.002
0.004
0.006
0.008
-0.008
-40 85
Typical Operating Characteristics
(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.)
