Rainbow Electronics MAX11008 - Manual (Page 10)

MAX11008
Dual RF LDMOS Bias Controller with
Nonvolatile Memory
10 ______________________________________________________________________________________
Typical Operating Characteristics (continued)
(AV DD = DV DD = 5V, external V REFADC = 2.5V, external V REFDAC = 2.5V, V CS_- = V CS_+ = 32V, C REF = 0.1µF, T A = +25°C, unless oth-
erwise noted.)
2µs/div
CURRENT-SENSE TRANSIENT
RESPONSE (G = 2)
V SENSE1
1V/div
V PGAOUT1
1V/div
MAX11008 toc10
0V
0V
1µs/div
CURRENT-SENSE TRANSIENT
RESPONSE (G = 10)
V SENSE1
200mV/div
V PGAOUT1
1V/div
MAX11008 toc11
0V
0V
1µs/div
CURRENT-SENSE TRANSIENT
RESPONSE (G = 25)
V SENSE1
100mV/div
V PGAOUT1
1V/div
MAX11008 toc12
0V
0V
-4.50
-4.35
-4.05
-4.20
-3.90
-3.75
-40 18 -11 47 76 105
GATE VOLTAGE TOTAL UNADJUSTED
ERROR vs. TEMPERATURE
MAX11008 toc13
TEMPERATURE (°C)
V
GATE_
ERROR (mV)
1µs/div
GATE POWER-UP TIME
V SCL
5V/div
V SDA
5V/div
V GATE1
1V/div
MAX11008 toc14
0V
0
0.5
1.5
1.0
2.0
2.5
0 200 100 300 400 500
GATE_ SETTLING TIME vs. C GATE
MAX11008 toc16
C GATE_ (pF)
GATE_ SETTLING TIME (
µ
s)
R S = 500Ω
50% OF SDA STOP EDGE TO
0.5% OF FINAL V
GATE_
4V TRANS ON GATE_ (IODAC_)
10µs/div
MAJOR CARRY TRANSITION GLITCH
V GATE_
1mV/div
MAX11008 toc17
CODE 7FF TO 800
C
GATE_ = 100pF
-1.0
-0.4
-0.6
-0.8
-0.2
0
0.2
0.4
0.6
0.8
1.0
0 1024 2048 3072 4096
DAC INTEGRAL NONLINEARITY
vs. INPUT CODE
MAX11008 toc18
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
0 1024 2048 3072 4096
DAC DIFFERENTIAL NONLINEARITY
vs. INPUT CODE
MAX11008 toc19
INPUT CODE
DNL (LSB)