Rainbow Electronics MAX1386 - Manual (Page 5)

MAX1385/MAX1386
Dual RF LDMOS Bias Controllers
with I 2 C/SPI Interface
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ELECTRICAL 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 REF-
DAC = +2.5V, C REF = 0.1µF, unless otherwise noted. T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Capacitive Bypass at REF 270 nF
Power-Supply Rejection Ratio PSRR AV DD = +5V ±5% 70 dB
EXTERNAL REFERENCE
REFADC Input Voltage Range V REFADC Limited code test 1.0 AV DD V
V
REF
= 2.5V, f
SAMPLE
= 174ksps 60 80
REFADC Input Current I REFADC
Acquisition/between conversions ±0.01 ±1
µA
REFDAC Input Voltage Range V REFDAC (Note 9) 0.5 2.5 V
REFDAC Input Current Static current when no DAC calibration 0.1 µA
GATE-DRIVER COARSE-DAC DC ACCURACY
Resolution N CDAC 8 Bits
Integral Nonlinearity INL CDAC Measured at GATE; fine DAC set at full scale ±0.15 ±1 LSB
Differential Nonlinearity DNL CDAC Guaranteed monotonic ±0.05 ±0.5 LSB
GATE-DRIVER FINE-DAC DC ACCURACY
Resolution N FDAC 10 Bits
Integral Nonlinearity INL
FDAC
Measured at GATE; coarse DAC set at full
scale
±0.25 ±4 LSB
Differential Nonlinearity DNL
FDAC
Guaranteed monotonic ±0.1 ±1 LSB
POWER SUPPLIES (Note 10)
Analog Supply Voltage AV DD 4.75 5.25 V
Digital Supply Voltage DV DD 2.7
AV DD
+ 0.3
V
Gate-Drive Supply Voltage V GATEVDD 4.75 11.00 V
Analog Supply Current I AVDD AV DD = 5V 3.2 4 mA
Digital Supply Current I DVDD DV DD = 2.7V to 5.25V 3.1 4.3 mA
GATEV
DD
Supply Current I
GATEVDD
3 4.5 7 mA
I AVDD 0.1 2
I DVDD 0.1 2 Shutdown Current (Note 11) I PD
I VDDGATE 0.1 2
µA