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MAX11300 Datasheet, PDF (5/54 Pages) Maxim Integrated Products – Up to 20 General-Purpose Digital I/Os
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MAX11300
PIXI, 20-Port Programmable Mixed-Signal I/O with
12-Bit ADC, 12-Bit DAC, Analog Switches, and GPIO
REF Electrical Specifications
(VAVDD = 4.75V to 5.25V, VDVDD = 3.3V, VAVDDIO = +12.0V, VAGND = VDGND = 0V, VAVSSIO = -2.0V, VDACREF = 2.5V, VADCREF = 2.5V
(Internal), fS = 400ksps, 10V analog input range set to range 1 (0 to +10V). TA = -40ºC to +105ºC, unless otherwise noted. Typical values
are at TA = +25ºC.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
ADC INTERNAL REFERENCE
Reference Output Voltage
REF Output Tempco (Note 6)
Internal references at TA = +25°C
TC-VREF
2.494 2.5 2.506
V
±10 ±25 ppm/°C
Capacitor Bypass at ADC_INT_
REF
4.7
10
µF
DAC INTERNAL REFERENCE
Reference Output Voltage
REF Output Tempco (Note 6)
Capacitor Bypass at DAC_REF
ADC EXTERNAL REFERENCE
Reference Input Range
DAC EXTERNAL REFERENCE
Reference Input Range
Internal references at TA = +25°C
TC-VREF
2.494 2.5 2.506
V
±10 ±25 ppm/°C
4.7
10
µF
2
2.75
V
1.25
2.5
V
GPIO Electrical Specifications
(VAVDD = 5.0V, VDVDD = 3.3V, VAVDDIO = +12.0V, VAGND = VDGND = 0V, VAVSSIO = -2.0V, VDACREF = 2.5V, VADCREF = 2.5V (Internal),
fS = 400ksps, 10V analog input range set to range 1 (0 to +10V). TA = -40ºC to +105ºC, unless otherwise noted. Typical values are at TA
= +25ºC.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
GPIO EXCEPT IN BIDIRECTIONAL LEVEL TRANSLATION MODE
Programmable Input Logic
Threshold
VITH
Input High Voltage
VIH
Input Low Voltage
VIL
Hysteresis
Programmable Output Logic Level VOLVL
MIN
TYP
MAX UNITS
0.3
VITH +
0.3
0
VDACREF
V
V
VITH - 0.3 V
±30
mV
4x
VDACREF
V
Propagation Delay from GPI Input
to GPO Output in Unidirectional
Level Translating Mode
Midscale threshold, 5V logic swing
2
µs
BIDIRECTIONAL LEVEL TRANSLATION PATH AND ANALOG SWITCH
Input High Voltage
VIH
Input Low Voltage
VIL
1
V
0.2
V
On-Resistance
From VAVSSIO +2.50V to VAVDDIO - 2.50V
60
Ω
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