參數(shù)資料
型號(hào)： MAX145BMJA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： +2.7V, Low-Power, 2-Channel, 108ksps, Serial 12-Bit ADCs in 8-Pin レMAX
中文描述： 2-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CDIP8
封裝： CERAMIC, DIP-8
文件頁(yè)數(shù)： 3/16頁(yè)
文件大小： 240K
代理商： MAX145BMJA
M
+2.7V, Low-Power, 2-Channel, 108ksps,
S erial 12-Bit ADCs in 8-Pin μMAX
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= +2.7V to +5.25V, V
REF
= 2.5V, 0.1μF capacitor at REF, f
SCLK
= 2.17MHz, 16 clocks/conversion cycle (108ksps),
CH- = GND for MAX145, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
CONDITIONS
SYMBOL
PARAMETER
ANALOG INPUTS
V
REF
= 2.5V
On/off leakage current, V
IN
= 0 to V
DD
k
μA
18
25
0.01
Input Resistance
Shutdown REF Input Current
DIGITAL INPUTS (
CS
/SHDN) AND OUTPUT (DOUT)
μA
100
140
V
0
V
DD
+ 50mV
V
REF
Input Voltage Range (Note 7)
Input Current
10
μA
pF
±0.01
16
±1
Multiplexer Leakage Current
Input Capacitance
EXTERNAL REFERENCE
V
0
V
REF
V
IN
Analog Input Voltage Range
(Note 6)
C
IN
UNITS
MIN
TYP
MAX
Input Leakage Current
Input Capacitance
I
IN
C
IN
±1
15
0.4
μA
pF
Input Hysteresis
V
HYS
0.2
V
0.2
5
μA
Input High Voltage
V
IH
2.0
3.0
V
Input Low Voltage
V
IL
0.8
V
Positive Supply Current
I
DD
0.9
2.0
mA
Three-State Output Capacitance
POWER REQUIREMENTS
C
OUT
15
pF
Positive Supply Voltage
V
DD
2.7
5.25
V
Power-Supply Rejection
(Note 9)
Shutdown,
CS/
SHDN = GND
V
DD
= 2.7V to 5.25V,
V
REF
= 2.5V, full-scale input
Operating mode
PSR
±0.15
mV
CS
/SHDN = V
DD
(Note 8)
Three-State Output Leakage
Current
±10
μA
Output High Voltage
V
OH
V
DD
- 0.5
V
Output Low Voltage
V
IN
= 0 or V
DD
(Note 8)
I
SINK
= 5mA
I
SINK
= 16mA
V
OL
V
0.5
V
DD
≤
3.6V
V
DD
> 3.6V
CS
/SHDN = V
DD
I
SOURCE
= 0.5mA
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