Rainbow-electronics MAX1329 Instrukcja Użytkownika Pobierz pdf (Strona 21)

MAX1329/MAX1330

12-/16-Bit DASs with ADC, DACs, DPIOs, APIOs,

Reference, Voltage Monitors, and Temp Sensor

______________________________________________________________________________________ 21

CHARGE-PUMP EFFICIENCY

vs. OUTPUT CURRENT (AV

= 3V)

MAX1329 toc64

OUT

(mA)

EFFICIENCY (%)

2015105

100

025

= 1.8V

= 2.5V

= 3.0V

= 2.0V

100

-5 3515 55 75 95 115

TEMPERATURE-SENSOR THERMAL

STEP RESPONSE (+25°C TO +85°C)

MAX1329 toc62

TIME (s)

TEMPERATURE (°C)

τ = 11s

100

105

110

115

120

2.5 3.53.0 4.0 4.5 5.0 5.5

INTERNAL TEMPERATURE-SENSOR SUPPLY

CURRENT vs. SUPPLY VOLTAGE

MAX1329 toc63

(V)

AVDD

(µA)

INTERNAL 2.5V REFERENCE

CLKIO = 3.6864MHz

ADC CLOCK DIV = 1

CONVERSION RATE = 4ksps

Typical Operating Characteristics (continued)

(AV

= 5.0V, V

REFADC

= V

REFDAC

= 2.5V for DV

= 3.0V; T

= +25°C, unless otherwise noted.)

TEMPERATURE-SENSOR ACCURACY

vs. TEMPERATURE

MAX1329 toc61

TEMPERATURE (°C)

ERROR (°C)

603510-15

-1.0

-0.5

0.5

1.0

1.5

-1.5

-40 85

INTERNAL

EXTERNAL

CHARGE-PUMP EFFICIENCY

vs. OUTPUT CURRENT (AV

= 4V)

MAX1329 toc65

OUT

(mA)

EFFICIENCY (%)

2015105

100

= 2.2V

= 2.5V

= 3.0V

= 3.6V

CHARGE-PUMP EFFICIENCY

vs. OUTPUT CURRENT (AV

= 5V)

MAX1329 toc66

OUT

(mA)

EFFICIENCY (%)

2015105

100

025

= 2.7V

= 3.3V

= 3.6V

=3.0V

CHARGE-PUMP OUTPUT VOLTAGE

vs. OUTPUT CURRENT (AV

= 3V)

MAX1329 toc67

OUT

(mA)

(V)

45403530252015105

2.6

2.7

2.8

2.9

3.0

3.1

3.2

2.5

050

= 1.8V

= 2.0V

= 3.0V

= 2.5V

MAX1329 toc68

OUT

(mA)

(V)

45403530252015105

3.6

3.7

3.8

3.9

4.0

4.1

4.2

3.5

050

CHARGE-PUMP OUTPUT VOLTAGE

vs. OUTPUT CURRENT (AV

= 4V)

= 2.5V

= 2.2V

= 3.6V

= 3.0V

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 77 78

MAX1329/MAX1330 1

Komentarze do niniejszej Instrukcji

Brak uwag

Rainbow-electronics MAX1329 Instrukcja Użytkownika Strona 21

Komentarze do niniejszej Instrukcji

Powiązane produkty i podręczniki dla Czujniki Rainbow-electronics MAX1329