Electrical characteristics (continued) – Rainbow Electronics MAX194 User Manual
Page 3
MAX194
14-Bit, 85ksps ADC with 10µA Shutdown
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3
ELECTRICAL CHARACTERISTICS (continued)
(VDDD = VDDA = +5V, VSSD = VSSA = -5V, f
CLK
= 1.7MHz, V
REF
= +5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical
values are at T
A
= +25°C.)
BP/UP/SHDN = open
VDDD = 5.25V
BP/UP/SHDN = open
BP/UP/SHDN = 0V
BP/UP/SHDN = VDDD
Digital inputs = 0 or 5V
VDDD = 4.75V
CONDITIONS
nA
-100
+100
BP/UP/SHDN Max Allowed
Leakage, Mid Input
V
2.75
V
FLT
BP/UP/SHDN Voltage,
Floating
V
1.5
VDDD - 1.5
V
IM
BP/UP/SHDN
Mid Input Voltage
µA
-4.0
I
IL
BP/UP/SHDN
Input Current, Low
µA
4.0
I
IH
BP/UP/SHDN
Input Current, High
V
0.5
V
IL
BP/UP/SHDN
Input Low Voltage
V
2.4
V
IH
CLK, CS, CONV, RESET, SCLK
Input High Voltage
V
VDDD - 0.5
V
IH
BP/UP/SHDN
Input High Voltage
µA
±10
CLK, CS, CONV, RESET, SCLK
Input Current
V
0.8
V
IL
CLK, CS, CONV, RESET, SCLK
Input Low Voltage
pF
10
CLK, CS, CONV, RESET, SCLK
Input Capacitance (Note 2)
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Output Low Voltage
V
OL
VDDD = 4.75V, I
SINK
= 1.6mA
0.4
V
Output High Voltage
V
OH
VDDD = 4.75V, I
SOURCE
= 1mA
VDDD - 0.5
V
DOUT Leakage Current
I
LKG
DOUT = 0 or 5V
±10
µA
Output Capacitance (Note 4)
10
pF
VDDD
4.75
5.25
V
VSSD
-5.25
-4.75
V
VDDA
By supply-rejection test
4.75
5.25
V
VSSA
By supply-rejection test
-5.25
-4.75
V
VDDD Supply Current
I
DDD
VDDD = VDDA = 5.25V, VSSD = VSSA = -5.25V
2.5
4
mA
VSSD Supply Current
I
SSD
VDDD = VDDA = 5.25V, VSSD = VSSA = -5.25V
0.9
2
mA
VDDA Supply Current
I
DDA
VDDD = VDDA = 5.25V, VSSD = VSSA = -5.25V
3.8
5
mA
VSSA Supply Current
I
SSA
VDDD = VDDA = 5.25V, VSSD = VSSA = -5.25V
3.8
5
mA
DIGITAL INPUTS
(CLK, CS, CONV, RESET, SCLK, BP/UP/SHDN)
DIGITAL OUTPUTS
(DOUT, EOC)
POWER REQUIREMENTS