MAX11008 Datasheet, PDF (10/67 Pages) Maxim Integrated Products – Dual RF LDMOS Bias Controller with Nonvolatile Memory

Dual RF LDMOS Bias Controller with
Nonvolatile Memory
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.)
CURRENT-SENSE TRANSIENT
RESPONSE (G = 2)
MAX11008 toc10
CURRENT-SENSE TRANSIENT
RESPONSE (G = 10)
MAX11008 toc11
CURRENT-SENSE TRANSIENT
RESPONSE (G = 25)
MAX11008 toc12
V_SENSE1
1V/div
0V
V_SENSE1
200mV/div
0V
V_SENSE1
100mV/div
0V
V_PGAOUT1
1V/div
0V
V_PGAOUT1
1V/div
0V
V_PGAOUT1
1V/div
0V
2µs/div
GATE VOLTAGE TOTAL UNADJUSTED
ERROR vs. TEMPERATURE
-3.75
-3.90
-4.05
1µs/div
1µs/div
GATE POWER-UP TIME
MAX11008 toc14
V_SCL
5V/div
V_SDA
5V/div
GATE_ SETTLING TIME vs. C_GATE
2.5
2.0
1.5
-4.20
-4.35
-4.50
-40 -11 18
47
76 105
TEMPERATURE (°C)
1µs/div
V_GATE1
1V/div
0V
1.0
0.5
0
0
R_S = 500Ω
50% OF SDA STOP EDGE TO
0.5% OF FINAL V_{GATE_}
4V TRANS ON GATE_ (IODAC_)
100 200 300 400 500
C_{GATE_} (pF)
MAJOR CARRY TRANSITION GLITCH
MAX11008 toc17
CODE 7FF TO 800
C_{GATE_} = 100pF
10µs/div
V_{GATE_}
1mV/div
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
DAC INTEGRAL NONLINEARITY
vs. INPUT CODE
1024
2048
3072
4096
INPUT CODE
DAC DIFFERENTIAL NONLINEARITY
vs. INPUT CODE
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
1024
2048
3072
4096
INPUT CODE
10 ______________________________________________________________________________________