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參數(shù)資料
| 型號(hào)： | MAX146BMJP |
| 廠(chǎng)商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | ADC |
| 英文描述： | +2.7Low-Power, 8-Channel, Serial 12-Bit ADCs |
| 中文描述： | 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CDIP20 |
| 封裝： | CERAMIC, DIP-20 |
| 文件頁(yè)數(shù)： | 3/24頁(yè) |
| 文件大?。?/td> | 198K |
| 代理商： | MAX146BMJP |
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M
+2.7V, Low-Power, 8-Channel,
S erial 12-Bit ADCs
_______________________________________________________________________________________
3
Multiplexer Leakage Current
Input Capacitance
INTERNAL REFERENCE
(MAX146 only, reference buffer enabled)
μA
0.01
10
Shutdown VREF Input Current
k
18
25
VREF Input Resistance
μA
100
150
VREF Input Current
V
1.0
V
DD
+
50mV
VREF Input Voltage Range
(Note 8)
pF
16
0 to VREF
V
±VREF / 2
Input Voltage Range, Single-
Ended and Differential (Note 6)
μA
±0.01
±1
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
Unipolar, COM = 0V
VREF = 2.500V
Bipolar, COM = VREF / 2
On/off leakage current, V
CH_
= 0V or V
DD
CONDITIONS
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +2.7V to +3.6V (MAX146); V
DD
= +2.7V to +5.25V (MAX147); COM = 0V; f
SCLK
= 2.0MHz; external clock (50% duty cycle); 15
clocks/conversion cycle (133ksps); MAX146—4.7μF capacitor at VREF pin; MAX147—external reference, VREF = 2.500V applied to
VREF pin; T
A
= T
MIN
to T
MAX
; unless otherwise noted.)
V
2.480
2.500
2.520
30
±50
±60
±80
VREF Output Voltage
VREF Short-Circuit Current
T
A
= +25°C
mA
±30
±30
±30
0.35
MAX146_C
MAX146_E
MAX146_M
0mA to 0.2mA output load
Internal compensation mode
External compensation mode
ppm/°C
VREF Temperature Coefficient
mV
Load Regulation (Note 7)
0
μF
4.7
0.047
Capacitive Bypass at VREF
μF
%
Capacitive Bypass at REFADJ
REFADJ Adjustment Range
EXTERNAL REFERENCE AT VREF
(Buffer disabled)
±1.5
V
V
DD
-
0.5
REFADJ Buffer Disable Threshold
μF
0
Capacitive Bypass at VREF
Internal compensation mode
External compensation mode
2.00
V/V
2.06
Reference Buffer Gain
4.7
MAX147
MAX146
MAX146
±10
μA
±50
REFADJ Input Current
MAX147
ANALOG/COM INPUTS
EXTERNAL REFERENCE AT REFADJ
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