MAX199ACAI Просмотр технического описания (PDF) - Maxim Integrated
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MAX199ACAI
Maxim Integrated
MAX199ACAI Datasheet PDF : 16 Pages
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Multi-Range (±4V, ±2V, +4V, +2V),
+5V Supply, 12-Bit DAS with 8+4 Bus Interface
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 5V ±5%; unipolar/bipolar range; external reference mode, VREF = 4.096V; 4.7µF at REF pin; external clock, fCLK = 2.0MHz
with 50% duty cycle; TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
ANALOG INPUT
Track/Hold Acquisition Time
Small-Signal Bandwidth
SYMBOL
CONDITIONS
fCLK = 2.0MHz
-3dB rolloff
±VREF range
±VREF/2 range
0V to VREF range
0V to VREF/2 range
Input Voltage Range
Unipolar (see Table 2)
Bipolar (see Table 2)
Unipolar range
Input Current
Input Dynamic Resistance
Bipolar
Unipolar
Bipolar
±VREF range
±VREF/2 range
Input Capacitance
(Note 5)
INTERNAL REFERENCE
REF Output Voltage
REF Output Tempco
(Contact Maxim Applications
for guaranteed temperature
drift specifications)
VREF
TC VREF
TA = +25°C
MAX199_C
MAX199_E
MAX199_M
Output Short-Circuit Current
Load Regulation
0mA to 0.5mA output current (Note 6)
0mA to 0.1mA output current (Note 6)
Capacitive Bypass at REF
REFADJ Output Voltage
REFADJ Adjustment Range
With recommended circuit (Figure 1)
Buffer Voltage Gain
REFERENCE INPUT (Buffer disabled, reference input applied to REF pin)
Input Voltage Range
Input Current
Input Resistance
VREF = 4.18V
Normal, or STANDBY
power-down mode
FULL power-down
mode
Normal, or STANDBY power-down mode
FULL power-down mode
REFADJ Threshold for
Buffer Disable
MIN TYP
0
0
-VREF
-VREF/2
-1200
-600
5
2.5
2.5
1.25
0.1
40
10
4.076
4.096
±15
±30
±40
4.7
2.465
0.8
2.500
±1.5
1.6384
2.4
10
5
VDD - 50mV
MAX UNITS
3
µs
MHz
VREF
VREF/2
V
VREF
VREF/2
10
10
µA
10
MΩ
kΩ
40
pF
4.116
V
ppm/°C
30
mA
7.5
mV
µF
2.535
V
%
V/V
4.18
V
400
µA
1
kΩ
MΩ
V
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