AD6640PCB AD [Analog Devices], AD6640PCB Datasheet - Page 5

• Manufacturer Part Number: AD6640PCB
• Description: 12-Bit, 65 MSPS IF Sampling A/D Converter
• Manufacturer: AD [Analog Devices]

REV. 0
Pin No.
1, 2, 36, 37, 40, 41
3
4
5, 6, 13, 14, 17, 18, 21,
22, 24, 34, 35, 38, 39
7
8
9
10
11, 12, 15, 16, 19, 20
23
25
26–33
42, 43
44
NOTE
1
Output coded as twos complement.
Name
DV
ENCODE
ENCODE
GND
AIN
AIN
V
C1
AV
NC
D0 (LSB)
D1–D8
D9–D10
D11 (MSB)
REF
CC
CC
ENCODE
ENCODE
1
AV
DV
DV
V
GND
GND
AIN
AIN
REF
C1
CC
CC
CC
PIN FUNCTION DESCRIPTIONS
10
11
1
2
3
4
5
6
7
8
9
44
12 13 14 15 16 17 18 19 20 21 22
PIN CONFIGURATION
PIN 1
Function
+3.3 V/+5 V Power Supply (Digital). Powers output stage only.
Encode Input. Data conversion initiated on rising edge.
Complement of ENCODE. Drive differentially with ENCODE or bypass to
Ground for single-ended clock mode. See Encoding the AD6640 section.
Ground.
Analog Input.
Complement of Analog Input.
Internal Voltage Reference. Nominally +2.4 V. Bypass to Ground with
0.1 F + 0.01 F microwave chip capacitor.
Internal Bias Point. Bypass to ground with 0.01 F capacitor.
+5 V Power Supply (Analog).
No Connect.
Digital Output Bit (Least Significant Bit).
Digital Output Bits.
Digital Output Bits.
Digital Output Bit (Most Significant Bit).
43
42
NC = NO CONNECT
41
(Not to Scale)
TOP VIEW
40 39 38
–5–
AD6640
37
36 35 34
33
32
31
30
29
28
27
26
25
24
23
D8
D7
D6
D5
D4
D3
D2
D1
D0 (LSB)
GND
NC
AD6640