Electrical characteristics—max110 (continued) – Rainbow Electronics MAX111 User Manual
Page 3
MAX110/MAX111
Low-Cost, 2-Channel, ±14-Bit Serial ADCs
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS—MAX110 (continued)
(V
DD
= 5V ±5%, V
SS
= -5V ±5%, f
XCLK
= 1MHz,
÷
2 mode (DV2 = 1), 81,920 CLK cycles/conv, V
REF+
= 1.5V, V
REF-
= -1.5V,
T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
V
V
4.75
5.25
V
DD
Positive Supply Voltage
0.8
V
IL
V
-4.75
-5.25
V
SS
Negative Supply Voltage
µA
Input Low Voltage
550
950
780
I
DD
Positive Supply Current
V
DD
= 5.25V,
V
SS
= -5.25V
320
650
Performance guaranteed by supply rejection test
Performance guaranteed by supply rejection test
pF
10
0.4
V
DD
- 0.5
V
OH
Output High Voltage
Input Capacitance
f
XCLK
= 500kHz,
continuous-conversion mode
µA
µA
I
SS
Negative Supply Current
V
DD
= 5.25V,
V
SS
= -5.25V
±1
20.48
4
10
I
DD
I
LKG
Input Leakage Current
XCLK unloaded,
continuous-conversion mode, RC
oscillator operational (Note 9)
f
XCLK
= 500kHz,
continuous-conversion mode
(Note 3)
µA
±10
I
LKG
Leakage Current
pF
10
Output Capacitance
µA
0.05
2
Digital inputs at 0V or 5V
Power-Down Current
DOUT,
BUSY, V
DD
= 4.75V, I
SOURCE
= 1.0mA
V
DD
= 5.25V, V
SS
= -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
ms
204.80
t
CONV
Synchronous Conversion
Time (Note 7)
102,400 clock-cycles/conversion
MHz
0.25
1.25
f
OSC
Oversampling Clock
Frequency
(Note 8)
V
2.4
V
IH
Input High Voltage
I
SS
V
0
3.0
V
REF
Differential Reference
Input Voltage Range
pF
10
Reference Input
Capacitance
(Note 3)
V
0.4
V
OL
Output Low Voltage
XCLK, I
SINK
= 200µA
V
V
DD
- 0.5
XCLK, V
DD
= 4.75V, I
SOURCE
= 200µA
nA
500
I
REF+
,
I
REF-
Reference Input Current
V
REF+
= 2.5V, V
REF-
= 0V
V
V
SS
+
V
DD
-
2.25
2.25
V
REF+
,
V
REF-
Absolute Reference Input
Voltage Range
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)