參數(shù)資料
型號: MAX1426
廠商: Maxim Integrated Products, Inc.
英文描述: 10-Bit, 10Msps ADC
中文描述: 10位、10Msps ADC
文件頁數(shù): 9/16頁
文件大?。?/td> 204K
代理商: MAX1426
M
10-Bit, 10Msps ADC
_______________________________________________________________________________________
9
Pin Description
Common-Mode Level Positive Input. For AC applications, connect to AV
DD
to internally set the input
DC bias level. For DC-coupled applications, connect to AGND.
CMLP
11
Common-Mode Level Negative Input. Connect to AGND to internally set the input DC bias level for
both AC- and DC-coupled applications.
CMLN
12
Clock Input. Clock frequency range from 0.1MHz to 10MHz.
CLK
13
Active-Low Output Enable and Power-Down Input. Digital outputs become high impedance and
device enters low-power mode when pin is high.
OE
/PD
14
Digital Data Output (MSB)
D9
15
Negative Reference Output. Bypass to AGND with 0.1μF capacitor. REFN can accept an external
voltage when the internal reference is disabled (REFN = AGND).
REFN
5
Common-Mode Level Input. Bypass to AGND with a 0.1μF capacitor. CML can accept an external
voltage when the internal reference is disabled (REFN = AGND).
CML
6
Positive Analog Signal Input
INP
9
Negative Analog Signal Input
INN
10
External Reference Input. Bypass to AGND with a 0.1μF capacitor. REFIN can be biased externally
to adjust the reference level and calibrate full-scale errors. To disable the internal reference, connect
REFIN to AGND.
REFIN
4
Positive Reference Output. Bypass to AGND with a 0.1μF capacitor. If the internal reference is
disabled, REFP can accept an external voltage.
REFP
3
PIN
Analog Supply Voltage Input. Bypass with a parallel combination of 2.2μF, 0.1μF, and 100pF capacitors
to AGND. Bypass each supply input to the closest AGND (e.g., capacitors between pins 1 and 2).
AV
DD
2, 8
Analog Ground. Connect all return paths for analog signals to these pins.
AGND
1, 7
FUNCTION
NAME
Digital Data Outputs 4–1
D4–D1
24–27
Digital Data Output (LSB)
D0
28
Digital Supply Voltage Input. Bypass with 2.2μF and 0.1μF capacitors in parallel. Digital supply can
operate with voltages as low as +2.7V.
DV
DD
20, 22
Digital Ground
DGND
21, 23
Digital Data Outputs 8–5
D8–D5
16–19
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