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AD9042ST/PCB Arkusz danych(PDF) 5 Page - Analog Devices

Numer części AD9042ST/PCB
Szczegółowy opis  12-Bit, 41 MSPS Monolithic A/D Converter
PDF  24 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
Logo AD - Analog Devices

AD9042ST/PCB Arkusz danych(HTML) 5 Page - Analog Devices

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AD9042
REV. A
–5–
AD9042AST PIN DESCRIPTIONS
Pin No. Name
Function
1, 2
DVCC
+5 V Power Supply (Digital).
Powers output stage only.
3
ENCODE
Encode input. Data conversion
initiated on rising edge.
4
ENCODE
Complement of ENCODE. Drive
differentially with ENCODE or
bypass to Ground for single-ended
clock mode.
5, 6
GND
Ground.
7
AIN
Analog Input.
8VOFFSET
Voltage Offset Input. Sets mid-
point of analog input range.
Normally tied to VREF through
50
Ω resistor.
9VREF
Internal Voltage Reference.
Nominally +2.4 V; normally tied
to VOFFSET through 50 Ω resistor.
Bypass to Ground with 0.1
µF +
0.01
µF microwave chip cap.
10
C1
Internal Bias Point. Bypass to
ground with 0.01
µF cap.
11, 12
AVCC
+5 V Power Supply (Analog).
13, 14
GND
Ground.
15, 16
AVCC
+5 V Power Supply (Analog).
17, 18
GND
Ground.
19, 20
AVCC
+5 V Power Supply (Analog).
21
GND
Ground.
22
GND
Ground.
23
NC
No Connects.
24
GND
Ground.
25
D0 (LSB)
Digital Output Bit
(Least Significant Bit)
26–33
D1–D8
Digital Output Bits
34, 35
GND
Ground.
36, 37
DVCC
+5 V Power Supply (Digital).
Powers output stage only.
38, 39
GND
Ground.
40, 41
DVCC
+5 V Power Supply (Digital).
Powers Output Stage only.
42, 43
D9–D10
Digital Output Bits.
44
D11
(MSB)
1
Digital Output Bit
(Most Significant Bit).
NOTE
1Output coded as twos complement.
AD9042AD PIN DESCRIPTIONS
Pin No.
Name
Function
1
GND
Ground.
2DVCC
+5 V Power Supply (Digital).
Powers output stage only.
3
GND
Ground.
4
ENCODE
Encode input. Data conversion
initiated on rising edge.
5
ENCODE
Complement of ENCODE. Drive
differentially with ENCODE or
bypass to Ground for single-ended
clock mode.
6, 7
GND
Ground.
8
AIN
Analog Input.
9VOFFSET
Voltage Offset Input. Sets mid-
point of analog input range.
Normally tied to VREF through
50
Ω resistor.
10
VREF
Internal Voltage Reference.
Nominally +2.4 V; normally tied
to VOFFSET through 50 Ω resistor.
Bypass to Ground with 0.1
µF cap.
11
GND
Ground.
12
AVCC
+5 V Power Supply (Analog).
13
GND
Ground.
14
AVCC
+5 V Power Supply (Analog).
15, 16
NC
No Connects.
17
D0 (LSB)
Digital Output Bit.
(Least Significant Bit).
18–27
D1–D10
Digital Output Bits.
28
D11
(MSB)
1
Digital Output Bit
(Most Significant Bit).
NOTE
1Output coded as twos complement.
AD9042 CUSTOM 28-PIN DIP PACKAGE



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