MAX1385 Datasheet, PDF (3/52 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
Sense-Amplifier Bandwidth
LDMOS GATE DRIVER (GAIN = 2 and 4)
Av_PGA = 2
Av_PGA = 10
Av_PGA = 25
CONDITIONS
Output Gate-Drive Voltage Range
V_GATE
I_GATE = ±1mA
I_GATE = ±10mA
Output Impedance
V_GATE Settling Time
Output Capacitive Load (Note 1)
V_GATE Noise
Maximum Power-On Transient
Output Short-Circuit Current Limit
Total Unadjusted Error
No Autocalibration and Offset
Removal (Note 2)
Total Adjusted Error
With Autocalibration and Offset
Removal
Drift
Clamp to Zero Delay
Output Safe Switch On-
Resistance
Amplifier Bandwidth
Amplifier Slew Rate
MONITOR ADC DC ACCURACY
Resolution
Differential Nonlinearity
Integral Nonlinearity
Offset Error
Gain Error
Gain Temperature Coefficient
Offset Temperature Coefficient
R_GATE
t_GATE
C_GATE
Measured at DC
Settles to within ±0.5% of final value;
R_SERIES = 50Ω, C_GATE = 15µF
No series resistance, R_SERIES = 0Ω
R_SERIES = 50Ω
RMS noise; 1kHz - 1MHz
I_SC
1s, sinking or sourcing
MAX1385, LOCODE = 128, HICODE = 180
TUE
MAX1386, LOCODE = 128, HICODE = 180
MAX1385, LOCODE = 128, HICODE = 180
TUE
MAX1386, LOCODE = 128, HICODE = 180
MAX1385, V_GATE > 1V
MAX1386, V_GATE > 1V
R_OPSW
GATE_ clamped to AGND (Note 3)
MAX1385
MAX1386
N_ADC
DNL_ADC
INL_ADC
(Note 4)
(Note 5)
MIN TYP MAX UNITS
900
720
kHz
290
0.75
1
GATEV_DD
- 0.75
V
GATEV_DD
-1
0.1
Ω
10
ms
0
10
nF
0
25,000
250
nV/√Hz
±100
mV
±25
mA
±6
±20
mV
±12 ±40
±1
±8
mV
±2
±16
±15
µV/°C
±30
1
µs
500
Ω
300
kHz
150
0.375
V/µs
12
Bits
±0.5 ±2
LSB
±0.6 ±2
LSB
±2
±4
LSB
±2
±4
LSB
±0.4
ppm/°C
±0.4
ppm/°C
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