Rainbow Electronics MAX111 - Manual (Page 5)

MAX110/MAX111
Low-Cost, 2-Channel, ±14-Bit Serial ADCs
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ELECTRICAL CHARACTERISTICS—MAX111 (continued)
(V DD = 5V ±5%, f XCLK = 1MHz, ÷ 2 mode (DV2 = 1), 81,920 CLK cycles/conv, V REF+ = 1.5V, V REF- = 0V, T A = T MIN to T MAX ,
unless otherwise noted. Typical values are at T A = +25°C.)
V
V
V 4.75 5.25 V DD Positive Supply Voltage
0.4
ms
V OL
0.8 V IL
204.80
Output Low Voltage
µA
Input Low Voltage
640 1200
t CONV
Synchronous Conversion
Time (Note 7)
102,400 clock-cycles/conversion
XCLK, I SINK = 200µA
pF 10
Reference Input
Capacitance
MHz 0.25 1.25
nA
f OSC
Oversampling Clock
Frequency
(Note 8)
V 2.4 V IH Input High Voltage
(Note 3)
V 0 1.5 V REF
960
I DD Supply Current V DD = 5.25V
Differential Reference
Input Voltage Range
Performance guaranteed by supply rejection test
500
I REF+ ,
I REF-
Reference Input Current
pF 10
V REF+ = 1.5V, V REF- = 0V
0.4
V 0 V DD - 3.2
V REF+ ,
V REF-
V
DD
- 0.5
V OH Output High Voltage
Input Capacitance
Absolute Reference Input
Voltage Range
V
V
DD
- 0.5
f XCLK = 500kHz,
continuous-conversion mode
µA ±1
XCLK, V DD = 4.75V, I SOURCE = 200µA
20.48
4 10 I DD
I LKG Input Leakage Current
XCLK unloaded,
continuous-conversion mode, RC
oscillator operational (Note 9)
(Note 3)
µA ±1 I LKG Leakage Current
pF 10 Output Capacitance
µA
Digital inputs at 0V or 5V
Power-Down Current
DOUT, BUSY, V DD = 4.75V, I SOURCE = 1.0mA
V DD = 5.25V, V XCLK = 0V, PD = 1
V OUT = 5V or 0V
(Note 3)
10,240 clock-cycles/conversion
DOUT, BUSY, I SINK = 1.6mA
CONDITIONS UNITS MIN TYP MAX SYMBOL PARAMETER
CONVERSION TIME
DIGITAL OUTPUTS (DOUT, BUSY, and XCLK when RCSEL = V DD )
POWER REQUIREMENTS (all digital inputs at 0V or 5V)
REFERENCE INPUTS
DIGITAL INPUTS (CS, SCLK, DIN, and XCLK when RCSEL = 0V)