Typical operating characteristics, Max3107 spi/i, C uart with 128-word fifos and internal oscillator – Rainbow Electronics MAX3107 User Manual
Page 11
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MAX3107
SPI/I
2
C UART with 128-Word FIFOs
and Internal Oscillator
Typical Operating Characteristics
(V
A
= 2.5V, V
L
= 2.5V, V
EXT
= 2.5V, LDOEN = VL, T
A
= +25NC, unless otherwise noted.)
GPIO_ OUTPUT LOW VOLTAGE
vs. SINK CURRENT (OPEN DRAIN)
MAX3107 toc09
V
OL
(V)
I
SINK
(mA)
2
1
5
10
15
20
25
30
35
0
0
3
V
EXT
= 3.3V
V
EXT
= 2.5V
GPIO_ OUTPUT HIGH VOLTAGE
vs. SOURCE CURRENT (PUSH-PULL)
MAX3107 toc08
V
OH
(V)
I
SOURCE
(mA)
3.0
2.5
2.0
1.5
1.0
0.5
5
10
15
20
25
30
35
0
0
3.5
V
EXT
= 3.3V
V
EXT
= 2.5V
INTERNAL OSCILLATOR FREQUENCY
DEVIATION vs. V
A
VOLTAGE
MAX3107 toc07
V
A
(V)
INTERNAL OSCILLATOR FREQUENCY DEVIATION (%)
3.35
3.10
2.60
2.85
-0.3
-0.2
-0.1
0
0.2
0.1
0.3
0.4
-0.4
2.35
3.60
I
A
SUPPLY CURRENT vs. PLL FREQUENCY
MAX3107 toc06
PLL FREQUENCY (MHz)
I
A
(mA)
2.25
2.50
2.75
3.00
3.25
3.50
3.75
4.00
4.25
4.50
4.75
5.00
5.25
5.50
5.75
2.00
10
100
PLL = x48
PLL = x96
PLL = x144
I
A
SUPPLY CURRENT vs. TEMPERATURE
MAX3107 toc05
TEMPERATURE (°C)
I
A
(µA)
60
35
10
-15
20
40
60
80
100
120
140
0
-40
85
EXTERNAL 3.6MHz CLOCK
BAUD RATE = 115kbps
V
A
= 3.3V
V
A
= 2.5V
I
A
SUPPLY CURRENT vs. V
A
VOLTAGE
(EXTERNAL CRYSTAL, PLL ENABLED)
MAX3107 toc04
V
A
(V)
I
A
(mA)
3.35
3.10
2.60
2.85
0.925
0.950
0.975
1.000
1.050
1.025
1.075
1.100
0.900
2.35
3.60
3.686MHz EXT. CRYSTAL
BAUD RATE = 115kbps
6x PLL MULT.FACTOR
LDOEN = V
L
LDOEN = AGND
1.8V APPLIED TO V
18
I
A
SUPPLY CURRENT vs. V
A
VOLTAGE
(INTERNAL CLOCK, PLL ENABLED)
MAX3107 toc03
V
A
(V)
I
A
(mA)
3.35
3.10
2.85
2.60
2.7
2.9
3.1
3.3
3.5
3.7
3.9
4.1
4.3
2.5
2.35
3.60
BAUD RATE = 115kbps
6x PLL MULT.FACTOR
LDOEN = V
L
LDOEN = AGND
1.8V APPLIED TO V
18
I
A
SUPPLY CURRENT vs. V
A
VOLTAGE
(EXTERNAL CLOCK, PLL ENABLED)
MAX3107 toc02
V
A
(V)
I
A
(mA)
3.35
3.10
2.85
2.60
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
2.0
2.35
3.60
EXTERNAL 614kHz CLOCK
BAUD RATE = 115kbps
6x PLL MULT.FACTOR
LDOEN = V
L
LDOEN = AGND
1.8V APPLIED TO V
18
I
A
SUPPLY CURRENT vs. V
A
VOLTAGE
(EXTERNAL CLOCK, PLL DISABLED)
MAX3107 toc01
V
A
(V)
I
A
(µA)
3.35
3.10
2.85
2.60
20
40
60
80
100
120
140
0
2.35
3.60
EXTERNAL 3.6MHz CLOCK
BAUD RATE = 115kbps
LDOEN = V
L
LDOEN = AGND
1.8V APPLIED TO V
18