Datasheet
MAX11359A
16-Bit Data-Acquisition System with ADC, DAC,
UPIOs, RTC, Voltage Monitors, and Temp Sensor
15
Maxim Integrated
Typical Operating Characteristics (continued)
(V
DVDD
= V
AVDD
= 1.8V, V
REF
= +1.25V, C
CPOUT
= 10µF, T
A
= +25°C, unless otherwise noted.)
2.1
2.3
2.2
2.5
2.4
2.7
2.6
2.8
-40 10-15 35 60 85
INTERNAL OSCILLATOR FREQUENCY
vs. TEMPERATURE
MAX11359A toc13
TEMPERATURE (°C)
INTERNAL OSCILLATOR FREQUENCY (MHz)
C
A: FLL DISABLED; V
AVDD
, V
DVDD
= 1.8V
B: FLL ENABLED
C: FLL DISABLED; V
AVDD
, V
AVDD
= 3.0V
B
A
CLK = 2.4576MHz
2.20
2.25
2.30
2.35
2.40
2.45
2.50
2.55
2.60
1.8 2.42.1 2.7 3.0 3.3 3.6
INTERNAL OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
MAX11359A toc14
V
AVDD
, V
DVDD
(V)
INTERNAL OSCILLATOR FREQUENCY (MHz)
FLL ENABLED
CLK = 2.4576MHz
FLL DISABLED
3.0
2.5
2.0
1.5
1.0
1.8 2.72.1 2.4 3.0 3.3 3.6
REFERENCE OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
MAX11359A toc15
V
AVDD
(V)
REFERENCE OUTPUT VOLTAGE (V)
C
B
A
A: V
REF
= 1.25V
B: V
REF
= 2.048V
C: V
REF
= 2.5V
1.2510
1.2505
1.2500
1.2495
1.2490
-50 25050 150 350 450
REFERENCE OUTPUT VOLTAGE
vs. OUTPUT CURRENT
MAX11359A toc16
OUTPUT CURRENT (µA)
V
REF
(V)
V
AVDD
= 1.8V
V
REF
= 1.25V
2.0472
2.0476
2.0474
2.0480
2.0478
2.0484
2.0482
2.0486
REFERENCE OUTPUT VOLTAGE
vs. OUTPUT CURRENT
MAX11359A toc17
V
REF
(V)
V
AVDD
= 2.5V
V
REF
= 2.048V
-50 25050 150 350 450
OUTPUT CURRENT (µA)
2.5030
2.5036
2.5034
2.5032
2.5038
2.5040
2.5042
2.5044
2.5046
2.5048
2.5050
MAX11359A toc18
V
REF
(V)
-50 25050 150 350 450
OUTPUT CURRENT (µA)
V
AVDD
= 3.0V
V
REF
= 2.5V
REFERENCE OUTPUT VOLTAGE
vs. OUTPUT CURRENT
0.9970
0.9975
0.9980
0.9985
0.9990
0.9995
1.0000
1.0005
1.0010
-40 -15 10 35 60 85
NORMALIZED REFERENCE OUTPUT
VOLTAGE vs. TEMPERATURE
MAX11359A toc19
TEMPERATURE (°C)
NORMALIZED REFERENCE VOLTAGE (V)
V
REF
= 1.25V
0.9970
0.9975
0.9980
0.9985
0.9990
0.9995
1.0000
1.0005
1.0010
-40 -15 10 35 60 85
NORMALIZED REFERENCE OUTPUT
VOLTAGE vs. TEMPERATURE
MAX11359A toc20
TEMPERATURE (°C)
NORMALIZED REFERENCE VOLTAGE (V)
V
REF
= 2.048V
0.9970
0.9975
0.9980
0.9985
0.9990
0.9995
1.0000
1.0005
1.0010
-40 -15 10 35 60 85
NORMALIZED REFERENCE OUTPUT
VOLTAGE vs. TEMPERATURE
MAX11359A toc21
TEMPERATURE (°C)
NORMALIZED REFERENCE VOLTAGE (V)
V
REF
= 2.5V