MAX11201 Datasheet, PDF (5/14 Pages) Maxim Integrated Products – 24-Bit, Single-Channel, Ultra-Low-Power, Delta Sigma ADC with 2-Wire Serial Interface

24-Bit, Single-Channel, Ultra-Low-Power, Delta
Sigma ADC with 2-Wire Serial Interface
Typical Operating Characteristics
(VAVDD = 3.6V, VDVDD = 1.8V, VREFP - VREFN = AVDD; internal clock; TA = TMIN to TMAX, unless otherwise specified. Typical values
are at TA = +25NC.)
ANALOG ACTIVE CURRENT
vs. AVDD VOLTAGE (MAX11201A)
240
ANALOG ACTIVE CURRENT
vs. AVDD VOLTAGE (MAX11201B)
240
ANALOG SLEEP CURRENT
vs. AVDD VOLTAGE
1.0
220
TA = +85°C
200
T_A = +25°C
180
220
TA = +85°C
0.8
200
T_A = +25°C
180
0.6
160
TA = -45°C
140
120
100
2.70 2.85 3.00 3.15 3.30 3.45 3.60
AVDD VOLTAGE (V)
160
T_A = -45°C
140
120
100
2.70 2.85 3.00 3.15 3.30 3.45 3.60
AVDD VOLTAGE (V)
0.4
TA = -45°C
0.2
TA = +85°C
TA = +25°C
0
2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6
AVDD VOLTAGE (V)
ACTIVE SUPPLY CURRENT
vs. TEMPERATURE (MAX11201A)
300
250
TOTAL
200
VAVDD = 3.0V
150
100
VDVDD = 1.8V
50
ACTIVE SUPPLY CURRENT
vs. TEMPERATURE (MAX11201B)
300
250
TOTAL
200
VAVDD = 3.0V
150
100
VDVDD = 1.8V
50
SLEEP CURRENT vs. TEMPERATURE
1.0
V_AVDD = 3.0V
0.8
0.6
0.4
0.2
AVDD
DVDD TOTAL
0
-45 -25 -5 15 35 55 75 95
TEMPERATURE (°C)
0
-45 -25 -5 15 35 55 75 95
TEMPERATURE (°C)
0
-45 -25 -5 15 35 55 75 95
TEMPERATURE (°C)
DIGITAL ACTIVE CURRENT
vs. DVDD VOLTAGE
130
TA = +85°C, +25°C, -45°C
120
110
100
MAX11201A
90
80
70
MAX11201B
60
50
40
1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.6
DVDD VOLTAGE (V)
DIGITAL SLEEP CURRENT
vs. DVDD VOLTAGE
3.0
2.5
TA = -45°C
2.0
TA = +25°C
1.5
1.0
TA = +85°C
0.5
0
1.7 1.9 2.1 2.3 2.5 2.7 2.9 3.1 3.3 3.5
DVDD VOLTAGE (V)
INTERNAL OSCILLATOR FREQUENCY
vs. TEMPERATURE
2.6
V_AVDD = 3.0V
2.5
MAX11201A
2.4
2.3
MAX11201B
2.2
2.1
2.0
-45 -25 -5 15 35 55 75 95
TEMPERATURE (°C)
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