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| MAX110 Datasheet, PDF (5/24 Pages) Maxim Integrated Products – Low-Cost, 2-Channel, ±14-Bit Serial ADCs | |||
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Low-Cost, 2-Channel, ±14-Bit Serial ADCs
ELECTRICAL CHARACTERISTICSâMAX111 (continued)
(VDD = 5V ±5%, fXCLK = 1MHz, ÷ 2 mode (DV2 = 1), 81,920 CLK cycles/conv, VREF+ = 1.5V, VREF- = 0V, TA = TMIN to TMAX,
unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
REFERENCE INPUTS
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Differential Reference
Input Voltage Range
VREF
0
1.5
V
Absolute Reference Input
Voltage Range
VREF+,
VREF-
Reference Input Current
IREF+,
IREF-
VREF+ = 1.5V, VREF- = 0V
Reference Input
Capacitance
(Note 3)
CONVERSION TIME
Synchronous Conversion
Time (Note 7)
10,240 clock-cycles/conversion
tCONV
102,400 clock-cycles/conversion
Oversampling Clock
Frequency
fOSC (Note 8)
DIGITAL INPUTS (CS, SCLK, DIN, and XCLK when RCSEL = 0V)
Input High Voltage
VIH
Input Low Voltage
VIL
Input Capacitance
(Note 3)
Input Leakage Current
ILKG Digital inputs at 0V or 5V
DIGITAL OUTPUTS (DOUT, BUSY, and XCLK when RCSEL = VDD)
Output Low Voltage
VOL
DOUT, BUSY, ISINK = 1.6mA
XCLK, ISINK = 200µA
0
VDD - 3.2 V
500
nA
10
pF
20.48
204.80
0.25
1.25
ms
MHz
2.4
V
0.8
V
10
pF
±1
µA
0.4
V
0.4
Output High Voltage
VOH
DOUT, BUSY, VDD = 4.75V, ISOURCE = 1.0mA
VDD - 0.5
V
XCLK, VDD = 4.75V, ISOURCE = 200µA
VDD - 0.5
Leakage Current
ILKG VOUT = 5V or 0V
±1
µA
Output Capacitance
(Note 3)
10
pF
POWER REQUIREMENTS (all digital inputs at 0V or 5V)
Positive Supply Voltage
VDD Performance guaranteed by supply rejection test
4.75
5.25
V
Supply Current
Power-Down Current
fXCLK = 500kHz,
continuous-conversion mode
IDD VDD = 5.25V
XCLK unloaded,
continuous-conversion mode, RC
oscillator operational (Note 9)
IDD VDD = 5.25V, VXCLK = 0V, PD = 1
640 1200
µA
960
4
10
µA
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