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参数资料
| 型号： | MAX198 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | Multirange, Single +5V, 12-Bit DAS with 12-Bit Bus Interface(6通道,100ksps,并行,12位A/D转换器) |
| 中文描述： | 6通道、多量程、5V、12位DAS，带有12位总线接口和故障保护 |
| 文件页数： | 3/16页 |
| 文件大小： | 165K |
| 代理商： | MAX198 |
M
Multirange, S ingle +5V, 12-Bit DAS
with 12-Bit Bus Interfac e
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 5V ±5%; unipolar/bipolar range; external reference mode, V
REF
= 4.096V; 4.7μF at REF pin; external clock, f
CLK
= 2.0MHz
with 50% duty cycle; T
A
= T
MIN
to T
MAX
; unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
ANALOG INPUT
MAX198
MAX196
MAX198
MAX196
-600
-1200
-600
360
10
10
I
IN
-1200
720
μA
±V
REF
/2 range
±V
REF
range
±5V range
±10V range
Bipolar
Input Voltage Range
(see Table 3)
V
IN
-10
-5
-V
REF
-V
REF
/2
10
5
V
REF
V
REF
/2
720
MAX196
MAX198
Bipolar
MAX196
MAX198
0V to 5V or 0V to V
REF
/2 range
0V to 10V or 0V to V
REF
range
±5V or ±V
REF
/2 range
±10V or ±V
REF
range
Buffer Voltage Gain
1.6384
V/V
REFADJ Adjustment Range
±1.5
%
With recommended circuit (Figure 1)
Capacitive Bypass at REF
REFADJ Output Voltage
4.7
2.465
μF
V
2.500
2.535
Load Regulation
10
mV
0mA to 0.5mA output current (Note 6)
0
0
V
REF
V
REF
/2
Unipolar
Input Resistance
V
IN
I
IN
21
16
k
360
10
Unipolar
Bipolar
(Note 5)
Input Current
0V to 5V range
0.1
0V to 10V range
Unipolar
2.5
2.5
1.25
Small-Signal Bandwidth
5
MHz
MIN
TYP
MAX
UNITS
-3dB
rolloff
0
0
10
5
V
Track/Hold Acquisition Time
3
μs
Input Capacitance
INTERNAL REFERENCE
40
pF
REF Output Voltage
REF Output Tempco
(Contact Maxim Applications for
guaranteed temperature drift
specifications)
Output Short-Circuit Current
V
REF
4.076
4.096
15
30
4.116
V
ppm/°C
30
mA
T
A
= +25°C
MAX196_C/MAX198_C
MAX196_E/MAX198_E
f
CLK
= 2.0MHz
TC V
REF
40
MAX196_M/MAX198_M
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