Rainbow Electronics MAX1386 - Manual (Page 13)

MAX1385/MAX1386
Dual RF LDMOS Bias Controllers
with I 2 C/SPI Interface
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-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)