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參數(shù)資料
| 型號： | MAX146BMJP |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 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 |
| 文件頁數(shù)： | 4/24頁 |
| 文件大?。?/td> | 198K |
| 代理商： | MAX146BMJP |
μA
μA
M
+2.7V, Low-Power, 8-Channel,
S erial 12-Bit ADCs
4
_______________________________________________________________________________________
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
3.0
V
IH
V
DD
= 3.6V
DIN, SCLK,
CS
Input High Voltage
V
DD
> 3.6V, MAX147 only
mV
±0.3
PSR
Supply Rejection (Note 10)
Full-scale input, external reference = 2.500V,
V
DD
= 2.7V to V
DD(MAX)
pF
V
V
15
C
IN
V
SH
V
SM
DIN, SCLK,
CS
Input Capacitance
SHDN
Input High Voltage
SHDN
Input Mid Voltage
μA
±0.01
±1
I
IN
DIN, SCLK,
CS
Input Leakage
V
0.2
V
HYST
DIN, SCLK,
CS
Input Hysteresis
V
0.8
V
IL
DIN, SCLK,
CS
Input Low Voltage
2.0
μA
V
±4.0
I
S
SHDN
Input Current
SHDN
Voltage, Floating
V
0.4
V
SL
SHDN
Input Low Voltage
V
DD
- 0.4
1.1
SHDN = 0V orV
DD
SHDN = FLOAT
nA
±100
SHDN
Maximum Allowed
Leakage, Mid Input
V
DD
/ 2
V
FLT
SHDN = FLOAT
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
(Note 9)
V
IN
= 0V or V
DD
V
DD
≤
3.6V
I
DD
CONDITIONS
Positive Supply Current, MAX146
μA
1.2
30
1.2
2.0
70
10
μA
pF
±0.01
±10
15
I
L
Three-State Leakage Current
Three-State Output Capacitance
POWER REQUIREMENTS
V
V
DD
- 0.5
V
OH
Output Voltage High
V
0.8
V
OL
Output Voltage Low
0.4
2.70
2.70
3.60
5.25
C
OUT
MAX146
MAX147
CS
= V
DD
(Note 9)
CS
= V
DD
I
SOURCE
= 0.5mA
I
SINK
= 16mA
I
SINK
= 5mA
V
V
DD
Positive Supply Voltage
0.9
2.1
1.2
1.5
15
10
Operating mode,
full-scale input
V
DD
= 5.25V
V
DD
= 3.6V
V
DD
= 5.25V
V
DD
= 3.6V
Full power-down
mA
1.8
2.5
Operating mode, full-scale input
Fast power-down
Full power-down
mA
V
DD
- 1.1
I
DD
Positive Supply Current, MAX147
DIGITAL INPUTS
(DIN, SCLK, CS, SHDN)
DIGITAL OUTPUTS
(DOUT, SSTRB)
I
DD
Positive Supply Current, MAX147
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