參數(shù)資料
型號(hào): MAX148
廠商: Maxim Integrated Products, Inc.
英文描述: +2.7V to +5.25V, Low-Power, 8-Channel, Serial 10-Bit ADCs(8通道,133ksps,串行10位A/D轉(zhuǎn)換器)
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): 3/20頁(yè)
文件大?。?/td> 200K
代理商: MAX148
M
+2.7V, Low-Power, 8-Channel,
S erial 10-Bit ADC
_______________________________________________________________________________________
3
Multiplexer Leakage Current
Input Capacitance
pF
V
15
C
IN
V
INH
DIN, SCLK,
CS
Input Capacitance
SHDN
Input High 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
INL
DIN, SCLK,
CS
Input Low Voltage
2.0
3.0
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
±VREF/2
V
Input Voltage Range, Single-
Ended and Differential (Note 6)
μA
±0.01
±1
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
(Note 7)
V
IN
= 0V or V
DD
Unipolar, COM = 0V
Bipolar, COM = VREF/2
On/off leakage current, V
IN
= 0V or V
DD
(Note 7)
V
DD
3.6V
V
DD
> 3.6V
VREF = 2.500V
CONDITIONS
V
V
1.1
V
DD
- 1.1
V
IM
V
FLT
SHDN
Input Mid Voltage
SHDN
Voltage, Floating
μA
±4.0
I
IN
SHDN
Input Current
V
0.4
V
INL
SHDN
Input Low Voltage
V
DD
- 0.4
SHDN
= 0V or V
DD
nA
±100
SHDN
Maximum Allowed Leakage,
Mid Input
V
DD
/2
SHDN
= open
SHDN
= open
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +2.7V to +3.6V, COM = 0V, f
CLK
= 2.0MHz, external clock (50% duty cycle), 15 clocks/conversion cycle (133ksps),
VREF = +2.500V applied to VREF pin, T
A
= T
MIN
to T
MAX,
unless otherwise noted.)
mV
±0.3
PSR
Supply Rejection (Note 10)
mA
μA
0.9
1.2
1.5
10
I
DD
Positive Supply Current
μA
pF
±0.01
±10
15
I
L
Three-State Leakage Current
Three-State Output Capacitance
V
V
DD
- 0.5
V
OH
Output Voltage High
V
0.8
V
OL
Output Voltage Low
0.4
V
2.70
5.25
V
DD
Positive Supply Voltage
C
OUT
V
DD
= 2.7V to 3.6V, full-scale input,
external reference = 2.500V
Operating mode, full-scale input
Power-down
(Note 9)
CS
= V
DD
(Note 7)
CS
= V
DD
I
SOURCE
= 0.5mA
I
SINK
= 16mA
I
SINK
= 5mA
V
V
INH
DIN, SCLK,
CS
Input High Voltage
ANALOG/COM INPUTS
EXTERNAL REFERENCE
DIGITAL INPUTS
(DIN, SCLK,
CS
,
SHDN
)
DIGITAL OUTPUTS
(DOUT, SSTRB)
POWER REQUIREMENTS
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