Rainbow Electronics MAX1386 - Manual (Page 11)

MAX1385/MAX1386
Dual RF LDMOS Bias Controllers
with I 2 C/SPI Interface
______________________________________________________________________________________ 11
Typical Operating Characteristics
(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.)
3.0
3.3
3.2
3.1
3.4
3.5
3.6
3.7
3.8
3.9
4.0
4.7 4.9 4.8 5.0 5.1 5.2 5.3
AV DD SUPPLY CURRENT
vs. AV DD VOLTAGE
MAX1385/86 toc01
AV DD (V)
I AVDD
(mA)
Av PGA = 2
CMV = 12V
V
SENSE = 100mV
T A = +85 °C
T A = +25 °C
T
A
= -40 °C
DV DD SUPPLY CURRENT vs. DV DD VOLTAGE
MAX1385/86 toc02
DV DD (V)
I DVDD
(mA)
5.2 4.7 4.2 3.7 3.2
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
3.25
3.50
3.75
4.00
1.00
2.7
Av PGA = 2
CMV = 12V
V
SENSE = 100mV
T A = +25 °C
T A = +85 °C
T A = -40 °C
GATEV DD SUPPLY CURRENT
vs. GATEV DD VOLTAGE
MAX1385/86 toc03
GATEV DD (V)
I GATEVDD
(mA)
11 10 8 9 6 7 5
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5.0
4.0
4 12
Av PGA = 2
CMV = 12V
V
SENSE = 100mV T A = +85 °C
T A = +25 °C
T A = -40 °C
TOTAL PGAOUT_ ERROR
vs. TEMPERATURE
MAX1385/86 toc04
TEMPERATURE ( °C)
PGAOUT_ ERROR (%)
80 65 35 50 -10 5 20 -25
-0.125
-0.100
-0.075
-0.050
-0.025
0
0.025
0.050
0.075
0.100
0.125
0.150
-0.150
-40
Av PGA = 2
CMV = 12V
V
SENSE = 100mV
ACQUISITION
TRACKING
TOTAL PGAOUT_ ERROR vs. V SENSE
MAX1385/86 toc05
V SENSE (mV)
PGAOUT_ ERROR (%)
1000 750 500 250
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
0
0 1250
Av PGA = 2
CMV = 12V
TOTAL PGAOUT_ ERROR vs. V SENSE
MAX1385/86 toc06
V SENSE (mV)
PGAOUT_ ERROR (%)
80 60 40 20
-3.5
-3.0
-2.5
-2.0
-1.5
-1.0
-0.5
0
0.5
-4.0
0 100
Av
PGA
= 25
CMV = 12V
TOTAL PGAOUT_ ERROR
vs. COMMON-MODE VOLTAGE
MAX1385/86 toc07
COMMON-MODE VOLTAGE (V)
PGAOUT_ ERROR (%)
30 25 20 15 10
0.01
0.02
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.10
0
5
Av PGA = 2
V SENSE = 100mV
PGAOUT_ OFFSET VOLTAGE
vs. TEMPERATURE
MAX1385/86 toc08
TEMPERATURE ( °C)
OFFSET VOLTAGE (
μ
V)
80 65 35 50 -10 5 20 -25
-350
-300
-250
-200
-150
-100
-50
0
50
100
150
200
-400
-40
Av PGA = 2
CMV = 12V
V
SENSE
= 100mV
ACQUISITION
TRACKING
V SENSE TRANSIENT RESPONSE
MAX1385/86 toc09
100mV/div
1V/div
PGAOUT_
V
SENSE
10 μs/div