Datasheet

_______________________________________________________________________________________ 5
MAX11201
24-Bit, Single-Channel, Ultra-Low-Power, Delta
Sigma ADC with 2-Wire Serial Interface
Typical Operating Characteristics
(V
AVDD
= 3.6V, V
DVDD
= 1.8V, V
REFP
- V
REFN
= AVDD; internal clock; T
A
= T
MIN
to T
MAX
, unless otherwise specified. Typical values
are at T
A =
+25NC.)
ANALOG ACTIVE CURRENT
vs. AVDD VOLTAGE (MAX11201A)
MAX11201 toc01
AVDD VOLTAGE (V)
CURRENT (µA)
3.453.303.153.002.85
120
140
160
180
200
220
240
100
2.70 3.60
T
A
= +85°C
T
A
= +25°C
T
A
= -45°C
ANALOG ACTIVE CURRENT
vs. AVDD VOLTAGE (MAX11201B)
MAX11201 toc02
AVDD VOLTAGE (V)
CURRENT (µA)
3.453.303.153.002.85
120
140
160
180
200
220
240
100
2.70 3.60
T
A
= +85°C
T
A
= +25°C
T
A
= -45°C
ANALOG SLEEP CURRENT
vs. AVDD VOLTAGE
MAX11201 toc03
AVDD VOLTAGE (V)
CURRENT (µA)
3.53.43.33.23.13.02.92.8
0.2
0.4
0.6
0.8
1.0
0
2.7 3.6
T
A
= -45°C
T
A
= +85°C
T
A
= +25°C
ACTIVE SUPPLY CURRENT
vs. TEMPERATURE (MAX11201A)
MAX11201 toc04
TEMPERATURE (°C)
CURRENT (µA)
75553515-5-25
50
100
150
200
250
300
0
-45 95
TOTAL
V
AVDD
= 3.0V
V
DVDD
= 1.8V
ACTIVE SUPPLY CURRENT
vs. TEMPERATURE (MAX11201B)
MAX11201 toc05
TEMPERATURE (°C)
CURRENT (µA)
75553515-5-25
50
100
150
200
250
300
0
-45 95
TOTAL
V
DVDD
= 1.8V
V
AVDD
= 3.0V
SLEEP CURRENT vs. TEMPERATURE
MAX11201 toc06
TEMPERATURE (°C)
CURRENT (µA)
75553515-5-25
0.2
0.4
0.6
0.8
1.0
0
-45 95
V
AVDD
= 3.0V
AVDD
DVDD
TOTAL
DIGITAL ACTIVE CURRENT
vs. DVDD VOLTAGE
MAX11201 toc07
DVDD VOLTAGE (V)
CURRENT (µA)
3.43.22.8 3.02.0 2.2 2.4 2.61.8
50
60
70
80
90
100
110
120
130
40
1.6 3.6
T
A
= +85°C, +25°C, -45°C
MAX11201A
MAX11201B
DIGITAL SLEEP CURRENT
vs. DVDD VOLTAGE
MAX11201 toc08
DVDD VOLTAGE (V)
CURRENT (µA)
3.33.12.92.72.52.32.11.9
0.5
1.0
1.5
2.0
2.5
3.0
0
1.7 3.5
T
A
= -45°C
T
A
= +25°C
T
A
= +85°C
INTERNAL OSCILLATOR FREQUENCY
vs. TEMPERATURE
MAX11201 toc09
TEMPERATURE (°C)
FREQUENCY (MHz)
75553515-5-25
2.1
2.2
2.3
2.4
2.5
2.6
2.0
-45 95
MAX11201A
MAX11201B
V
AVDD
= 3.0V