MAX192 Maxim, MAX192 Datasheet - Page 3

• Manufacturer Part Number: MAX192
• Description: Low-Power / 8-Channel / Serial 10-Bit ADC
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
T
A
ANALOG INPUT
INTERNAL REFERENCE (reference buffer enabled)
EXTERNAL REFERENCE AT VREF (buffer disabled, VREF = 4.096V)
EXTERNAL REFERENCE AT REFADJ
External Clock Frequency
Analog Input Voltage
(Note 6)
Multiplexer Leakage Current
Input Capacitance
VREF Output Voltage
VREF Short-Circuit Current
VREF Tempco
Load Regulation (Note 8)
Capacitive Bypass at VREF
Capacitive Bypass at REFADJ
REFADJ Adjustment Range
Input Voltage Range
Input Current
Input Resistance
Shutdown VREF Input Current
Buffer Disable Threshold
REFADJ
Capacitive Bypass at VREF
Reference-Buffer Gain
REFADJ Input Current
DD
= T
= 5V ±5%, f
MIN
to T
PARAMETER
MAX,
CLK
unless otherwise noted. Typical values are at T
_______________________________________________________________________________________
= 2.0MHz, external clock (50% duty cycle), 15 clocks/conversion cycle (133ksps), 4.7µF capacitor at VREF pin,
SYMBOL
External compensation, 4.7µF
Internal compensation (Note 5)
Used for data transfer only
Common-mode range (any input)
Single-ended range (unipolar only)
Differential range
On/off leakage current; V
(Note 5)
T
0mA to 0.5mA output load
Internal compensation
External compensation
Internal compensation
External compensation
Internal compensation mode
External compensation mode
A
= +25°C (Note 7)
CONDITIONS
A
= +25°C.)
Low-Power, 8-Channel,
Unipolar
Bipolar
IN
= 0V, 5V
Serial 10-Bit ADC
-V
4.066
50mV
V
MIN
0.01
0.01
0.1
0.1
4.7
2.5
4.7
12
DD
0
0
0
REF
-2
0
0
-
±0.01
4.096
1.678
±1.5
TYP
±30
200
2.5
1.5
10
16
20
+V
V
4.126
50mV
MAX
V
V
V
±50
350
DD
2.0
0.4
±1
30
10
REF
REF
DD
REF
2
+
ppm/°C
UNITS
MHz
mA
mV
V/V
kΩ
µA
pF
µF
µF
µA
µA
µF
µA
%
V
V
V
V
3