MAX11311 Datasheet, PDF (4/51 Pages) Maxim Integrated Products – PIXI, 12-Port Programmable Mixed-Signal I/O with 12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO

MAX11311
PIXI, 12-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
DYNAMIC PERFORMANCE (Single-Ended Inputs)
Signal-to-Noise Plus Distortion
SINAD fS = 400ksps, fIN = 10kHz
Signal to Noise
SNR fS = 400ksps, fIN = 10kHz
Total Harmonic Distortion
THD fS = 400ksps, fIN = 10kHz
Spurious-Free Dynamic Range
SFDR fS = 400ksps, fIN = 10kHz
Crosstalk
fS = 100ksps, fIN = 10kHz
DYNAMIC PERFORMANCE (Differential Inputs)
MIN TYP MAX UNITS
70
dB
71
dB
-75
dB
75
dB
-85
dB
Signal-to-Noise Plus Distortion
SINAD fS = 400ksps, fIN = 10kHz
71
dB
Signal to Noise
Total Harmonic Distortion
Spurious-Free Dynamic Range
Crosstalk
CONVERSION RATE
Throughput (Note 4)
Acquisition Time
ANALOG INPUT (All Ports)
Absolute Input Voltage (Note 5)
Input Resistance
SNR
THD
SFDR
fS = 400ksps, fIN = 10kHz
fS = 400ksps, fIN = 10kHz
fS = 400ksps, fIN = 10kHz
fS = 100ksps, fIN = 10kHz
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
V_PORT
Range 1
Range 2
Range 3
Range 4
Range 1, 2, 3
Range 4
72
dB
-82
dB
82
dB
-85
dB
200
250
ksps
333
400
3.5
2.5
μs
1.5
1.0
0
10
-5
+5
V
-10
0
0
2.5
70
100 130
kΩ
50
75
100
kΩ
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