參數(shù)資料
型號: MAX1325ECM
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: ADC
英文描述: 8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs with 10V, 5V, and 0 to +5V Analog Input Ranges
中文描述: 4-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, MS-026BBC, TQFP-48
文件頁數(shù): 4/27頁
文件大?。?/td> 255K
代理商: MAX1325ECM
M
8-/4-/2-Channel, 14-Bit, Simultaneous-Sampling ADCs
with ±10V, ±5V, and 0 to +5V Analog Input Ranges
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(AV
DD
= +5V, DV
DD
= +3V, AGND = DGND = 0V, V
REF
= V
REFMS
= +2.5V (external reference), C
REF
= C
REFMS
= 0.1μF, C
REF+
=
C
REF-
= 0.1μF, C
REF+-to-REF-
= 2.2μF ||0.1μF, C
COM
= 2.2μF ||0.1μF, C
MSV
= 2.2μF ||0.1μF (unipolar devices, MAX1316/
MAX1317/MAX1318), MSV = AGND (bipolar devices, MAX1320/MAX1321/MAX1322/MAX1324/MAX1325/MAX1326), f
CLK
= 10MHz,
50% duty cycle, INTCLK/
EXTCLK
= AGND (external clock), SHDN = DGND, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical val-
ues are at T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input-Voltage Low
V
IL
0.3 x
DV
DD
V
Input Hysteresis
Input Capacitance
Input Current
CLOCK-SELECT INPUT (INTCLK/
EXTCLK
)
15
15
mV
pF
μA
C
IN
I
IN
V
IN
= 0V or DV
DD
±
1
Input-Voltage High
0.7 x
AV
DD
V
Input-Voltage Low
0.3 x
AV
DD
V
DIGITAL OUTPUTS (D0–D13,
EOC
,
EOLC
)
Output-Voltage High
V
OH
ISOURCE = 0.8mA
DV
DD
-
0.6
V
Output-Voltage Low
Tri-State Leakage Current
Tri-State Output Capacitance
POWER SUPPLIES
Analog-Supply Voltage
Digital-Supply Voltage
V
OL
ISINK = 1.6mA
RD
V
IH
or
CS
V
IH
RD
V
IH
or
CS
V
IH
0.4
1
V
μA
pF
0.06
15
AV
DD
DV
DD
4.75
2.70
5.25
5.25
V
V
MAX1316/MAX1317/MAX1318, all channels
selected
46
51
MAX1320/MAX1321/MAX1322, all channels
selected
46
51
Analog-Supply Current
I
AVDD
MAX1324/MAX1325/MAX1326, all channels
selected
46
51
mA
MAX1316/MAX1317/MAX1318,
all channels selected
1
1.6
MAX1320/MAX1321/MAX1322,
all channels selected
1
1.6
Digital-Supply Current (Note 6)
I
DVDD
C
LOAD
=
100pF
MAX1324/MAX1325/MAX1326,
all channels selected
1
1.6
mA
I
AVDD
I
DVDD
PSRR
V
SHDN
= DV
DD
, V
CH
= float
V
RD
= V
WR
= DV
DD
, V
SHDN
= DV
DD
AV
DD
= +4.75V to +5.75V (Note 8)
10
2
Shutdown Current (Note 7)
0.1
50
μA
Power-Supply Rejection Ratio
dB
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