MAX11301 Datasheet, PDF (4/55 Pages) Maxim Integrated Products – Programmable Sample Averaging Per ADC Port

MAX11301
PIXI, 20-Port Programmable Mixed-Signal I/O with
12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO
Electrical Characteristics (continued)
ADC Electrical Specifications
(V_AVDD = 4.75V to 5.25V, V_DVDD = 3.3V, V_AVDDIO = +12.0V, V_AGND = V_DGND = 0V, V_AVSSIO = -2.0V, V_DACREF = 2.5V, V_ADCREF = 2.5V
(Internal), f_S = 400ksps, 10V analog input range set to range 1 (0 to +10V). T_A = -40°C to +105°C, unless otherwise noted. Typical values
are at T_A = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
DYNAMIC PERFORMANCE (SINGLE-ENDED INPUTS)
Signal-to-Noise Plus Distortion
Signal to Noise
Total Harmonic Distortion
Spurious-Free Dynamic Range
Crosstalk
SINAD
SNR
THD
SFDR
f_S = 400ksps, f_IN = 10kHz
f_S = 400ksps, f_IN = 10kHz
f_S = 400ksps, f_IN = 10kHz
f_S = 400ksps, f_IN = 10kHz
70
dB
71
dB
-75
dB
75
dB
-85
dB
DYNAMIC PERFORMANCE (DIFFERENTIAL INPUTS)
Signal-to-Noise Plus Distortion
Signal to Noise
Total Harmonic Distortion
Spurious-Free Dynamic Range
Crosstalk
SINAD
SNR
THD
SFDR
f_S = 400ksps, f_IN = 10kHz
f_S = 400ksps, f_IN = 10kHz
f_S = 400ksps, f_IN = 10kHz
f_S = 400ksps, f_IN = 10kHz
71
dB
72
dB
-82
dB
82
dB
-85
dB
CONVERSION RATE
Throughput (Note 4)
Acquisition Time
ANALOG INPUT (All Ports)
t_ACQ
ADCCONV[1:0] = 00
ADCCONV[1:0] = 01
ADCCONV[1:0] = 10
ADCCONV[1:0] = 11
ADCCONV[1:0] = 00
ADCCONV[1:0] = 01
ADCCONV[1:0] = 10
ADCCONV[1:0] = 11
200
250
ksps
333
400
3.5
2.5
μs
1.5
1.0
Range 1
0
10
Absolute Input Voltage (Note 5)
V_PORT
Range 2
Range 3
-5
+5
V
-10
0
Range 4
0
2.5
Input Resistance
Range 1, 2, 3
Range 4
70
100
130
kΩ
50
75
100
kΩ
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