參數(shù)資料
型號(hào)： MAX149
廠商： Maxim Integrated Products, Inc.
英文描述： +2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs
中文描述： +2.7V至+5.25V、低功耗、8通道、串行10位ADC
文件頁(yè)數(shù)： 4/24頁(yè)
文件大?。?/td> 221K
代理商： MAX149
I
DD
M
+2.7V to +5.25V, Low-Power, 8-Channel,
S erial 10-Bit ADCs
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
V
= +2.7V to +5.25V; COM = 0V; f
= 2.0MHz; external clock (50% duty cycle); 15 clocks/conversion cycle (133ksps);
MAX149—4.7μF capacitor at VREF pin; MAX148—external reference, VREF = 2.500V applied to VREF pin; T
A
= T
MIN
to T
MAX
; unless
otherwise noted.)
V
3.0
V
IH
DIN, SCLK,
CS
Input High Voltage
V
DD
> 3.6V
mV
±0.3
PSR
Supply Rejection (Note 12)
Full-scale input, external reference = 2.500V,
V
DD
= 2.7V to 5.25V
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 10)
V
IN
= 0V or V
DD
V
DD
≤
3.6V
CONDITIONS
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
C
OUT
CS
= V
DD
(Note 10)
CS
= V
DD
I
SOURCE
= 0.5mA
I
SINK
= 16mA
I
SINK
= 5mA
2.70
5.25
3.0
1.2
3.5
1.2
30
2.0
15
10
70
Operating mode,
full-scale input (Note 11)
Full power-down
mA
1.6
V
DD
- 1.1
Positive Supply Current
V
DD
Positive Supply Voltage
V
I
DD
μA
DIGITAL INPUTS
(DIN, SCLK,
CS
,
SHDN
)
DIGITAL OUTPUTS
(DOUT, SSTRB)
Fast power-down (MAX149)
I
DD
V
DD
= 5.25V
V
DD
= 3.6V
V
DD
= 5.25V
V
DD
= 3.6V
相關(guān)PDF資料
PDF描述
MAX149BCAP +2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs
MAX149BEAP +2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs
MAX149BEPP +2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs
MAX148ACAP +2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs
MAX148AEPP +2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs
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