MAX11014_08 Datasheet, PDF (4/70 Pages) Maxim Integrated Products – Automatic RF MESFET Amplifier Drain-Current Controllers

Automatic RF MESFET Amplifier
Drain-Current Controllers
ELECTRICAL CHARACTERISTICS (continued)
(V_GATEVSS = V_AVSS = -5.5V to -4.75V, V_AVDD = +4.75V to +5.25V, V_DVDD = +2.7V to V_AVDD, external V_REFADC = +2.5V, external
V_REFDAC = +2.5V, C_REFADC = C_REFDAC = 0.1µF, V_OPSAFE1 = V_OPSAFE2 = 0, V_RCS1+ = V_RCS2+ = +5V, C_FILT1 = C_FILT3 = 1nF, C_FILT2 =
C_FILT4 = 1nF, V_AGND = V_DGND = 0, V_ADCIN0 = V_ADCIN1 = 0, V_ACLAMP1 = V_ACLAMP2 = -5V, T_J = T_MIN to T_MAX, unless otherwise noted.
All typical values are at T_J = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX UNITS
ADC DYNAMIC ACCURACY (1kHz sine-wave input, -0.5dB from full scale, 94.4ksps)
Signal-to-Noise Plus Distortion
SINAD
70
dB
Total Harmonic Distortion
Spurious-Free Dynamic Range
Intermodulation Distortion
Full-Power Bandwidth
THD
SFDR
IMD
Up to the 5th harmonic
f_IN1 = 9.9kHz, f_IN2 = 10.2kHz
-3dB point
-84
dB
86
dB
76
dB
1
MHz
Full-Linear Bandwidth
ADC CONVERSION RATE
S / (N + D) > 68dB
100
kHz
Power-Up Time
Acquisition Time (Note 3)
Conversion Time
Aperture Delay
ADCIN1, ADCIN2 INPUTS
External reference
t_PU
Internal reference
0.8
µs
50
GATE_ and sense voltage measurements
40
t_ACQ
All other measurements
1.5
µs
t_CONV Internally clocked
6.5
µs
30
ns
Input Range
V_{ADCIN_} Relative to AGND (Note 7)
0
V_REFADC
V
Input Leakage Current
Input Capacitance
C_{ADCIN_}
TEMPERATURE MEASUREMENTS
Internal Sensor Measurement
Error
External Sensor Measurement
Error (Note 8)
Temperature Resolution
External Diode Drive
External Temperature Sensor
Drive Current Ratio
INTERNAL REFERENCE
Reference Output Voltage
Reference Output Temperature
Coefficient
Reference Output Impedance
Power-Supply Rejection Ratio
PSRR
V_{ADCIN_} = 0V or V_AVDD
T_J = +25°C
T_J = -40°C to +85°C (Note 3)
T_J = -40°C to +105°C (Note 3)
T_J = +25°C
T_J = -40°C to +105°C
V_REFADC = V_REFDAC, T_J = +25°C
V_AVDD = +5V ±5%
±0.01
±1
µA
34
pF
±0.25
±1.0 ±2.5
°C
±1.0 ±3.5
±1.0
°C
±3
0.125
°C/LSB
3.26
75.00
µA
16.6
+2.490 +2.500 +2.510 V
±15
ppm/^oC
6.5
kΩ
-83
dB
4 _______________________________________________________________________________________