MAX1385 Datasheet, PDF (5/52 Pages) Maxim Integrated Products – Dual RF LDMOS Bias Controllers with I2C/SPI Interface

Dual RF LDMOS Bias Controllers
with I²C/SPI Interface
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
Capacitive Bypass at REF
Power-Supply Rejection Ratio
EXTERNAL REFERENCE
PSRR AV_DD = +5V ±5%
REFADC Input Voltage Range
REFADC Input Current
V_REFADC
I_REFADC
Limited code test
V_REF = 2.5V, f_SAMPLE = 174ksps
Acquisition/between conversions
REFDAC Input Voltage Range
REFDAC Input Current
V_REFDAC (Note 9)
Static current when no DAC calibration
GATE-DRIVER COARSE-DAC DC ACCURACY
Resolution
N_CDAC
Integral Nonlinearity
INL_CDAC Measured at GATE; fine DAC set at full scale
Differential Nonlinearity
DNL_CDAC Guaranteed monotonic
GATE-DRIVER FINE-DAC DC ACCURACY
Resolution
N_FDAC
Integral Nonlinearity
INL_FDAC
Measured at GATE; coarse DAC set at full
scale
Differential Nonlinearity
POWER SUPPLIES (Note 10)
DNL_FDAC Guaranteed monotonic
Analog Supply Voltage
AV_DD
Digital Supply Voltage
DV_DD
Gate-Drive Supply Voltage
Analog Supply Current
Digital Supply Current
GATEV_DD Supply Current
Shutdown Current (Note 11)
V_GATEVDD
I_AVDD
I_DVDD
I_GATEVDD
I_PD
AV_DD = 5V
DV_DD = 2.7V to 5.25V
I_AVDD
I_DVDD
I_VDDGATE
MIN
270
1.0
0.5
8
10
4.75
2.7
4.75
3
TYP MAX UNITS
nF
70
dB
AV_DD
V
60
80
µA
±0.01 ±1
2.5
V
0.1
µA
Bits
±0.15 ±1
LSB
±0.05 ±0.5 LSB
Bits
±0.25 ±4
LSB
±0.1 ±1
LSB
5.25
V
AV_DD
+ 0.3
V
11.00
V
3.2
4
mA
3.1
4.3
mA
4.5
7
mA
0.1
2
0.1
2
µA
0.1
2
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