C/spi interface, Typical operating characteristics (continued) – Rainbow Electronics MAX1386 User Manual

Page 13

Advertising
background image

MAX1385/MAX1386

Dual RF LDMOS Bias Controllers

with I

2

C/SPI Interface

______________________________________________________________________________________

13

-1.0

-0.4

-0.6

-0.8

-0.2

0

0.2

0.4

0.6

0.8

1.0

0

400

200

600

800

1000

INTEGRAL NONLINEARITY vs. DIGITAL

INPUT CODE (10-BIT FINE DAC)

MAX1385/86 toc19

DIGITAL INPUT CODE

INL (LSB)

-1.0

-0.4

-0.6

-0.8

-0.2

0

0.2

0.4

0.6

0.8

1.0

DIFFERENTIAL NONLINEARITY

vs. DIGITAL INPUT CODE (8-BIT DAC)

MAX1385/86 toc20

DIGITAL INPUT CODE

DNL (LSB)

0

100

50

150

200

250

-1.0

-0.4

-0.6

-0.8

-0.2

0

0.2

0.4

0.6

0.8

1.0

DIFFERENTIAL NONLINEARITY

vs. DIGITAL INPUT CODE (10-BIT FINE DAC)

MAX1385/86 toc21

DIGITAL INPUT CODE

DNL (LSB)

0

400

200

600

800

1000

-1.0

-0.4

-0.6

-0.8

-0.2

0

0.2

0.4

0.6

0.8

1.0

0

2000

1000

3000

4000

INTEGRAL NONLINEARITY

vs. DIGITAL OUTPUT CODE (ADC)

MAX1385/86 toc22

DIGITAL OUTPUT CODE

INL (LSB)

-1.0

-0.4

-0.6

-0.8

-0.2

0

0.2

0.4

0.6

0.8

1.0

0

2000

1000

3000

4000

DIFFERENTIAL NONLINEARITY

vs. DIGITAL OUTPUT CODE (ADC)

MAX1385/86 toc23

DIGITAL OUTPUT CODE

DNL (LSB)

-160

-140

-120

-100

-80

-60

-40

-20

0

0

5

10

15

20

25

FFT PLOT

MAX1385/86 toc24

FREQUENCY (kHz)

AMPLITUDE (dB)

f

IN

= 303Hz

f

SAMPLE

= 49.15kHz

Typical Operating Characteristics (continued)

(GATEV

DD

= +5.5V for the MAX1385, GATEV

DD

= +11V for the MAX1386, AV

DD

= DV

DD

= +5V, external V

REFADC

= +2.5V, external

V

REFDAC

= +2.5V, C

REF

= 0.1µF, T

A

= +25°C, unless otherwise noted.)

-1.0

-0.4

-0.6

-0.8

-0.2

0

0.2

0.4

0.6

0.8

1.0

0

100

50

150

200

250

INTEGRAL NONLINEARITY vs. DIGITAL

INPUT CODE (8-BIT COARSE DAC)

MAX1385/86 toc18

DIGITAL INPUT CODE

INL (LSB)

Advertising