AD9218 Analog Devices, AD9218 Datasheet - Page 9

• Manufacturer Part Number: AD9218
• Description: 10-Bit, 40/65/80/105 MSPS 3 V Dual A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9218

• Resolution (bits): 10bit
• # Chan: 2
• Sample Rate: 105MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 1 V p-p,2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: QFP

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 7. Pin Function Descriptions
Pin Number
1, 12, 16, 27, 29,
32, 34, 45
2
3
4
5
6
7
8
9
10
11
13, 30, 31, 48
14
15, 28, 33, 46
17 to 26
35 to 44
47
Mnemonic
GND
A
DFS/GAIN
REF
REF
REF
S1
S2
A
V
ENC
V
D9 to D0
D0
ENC
A
A
D
DD
IN
IN
IN
IN
A
B
B
A
A
B
IN
OUT
IN
B
A
to D9
A
B
B
A
Description
Ground.
Analog Input for Channel A.
Analog Input for Channel A (Complementary).
Data Format Select and Analog Input Gain Mode. Low = offset binary output available, 1 V p-p supported;
high = twos complement output available, 1 V p-p supported; floating = offset binary output available,
2 V p-p supported; set to V
Reference Voltage Input for Channel A.
Internal Reference Voltage.
Reference Voltage Input for Channel B.
User Select No. 1. See Table 6.
User Select No. 2. See Table 6.
Analog Input for Channel B (Complementary).
Analog Input for Channel B.
Analog Supply (3 V).
Clock Input for Channel B.
Digital Supply (2.5 V to 3.6 V).
Digital Output for Channel B (D9 = MSB).
Digital Output for Channel A (D9
Clock Input for Channel A.
DFS/GAIN
REF
REF
REF
A
A
GND
A
A
GND
OUT
IN
IN
IN
IN
IN
IN
S1
S2
A
A
A
B
B
B
10
11
12
1
2
3
4
5
6
7
8
9
Figure 5. Pin Configuration
REF
Rev. C | Page 9 of 28
= twos complement output available, 2 V p-p supported.
(Not to Scale)
AD9218
TOP VIEW
B
A
= MSB).
36
35
34
33
32
31
30
29
28
27
26
25
D1
D0
GND
V
GND
V
V
GND
V
GND
D0
D1
DD
D
D
DD
A
A
B
B
AD9218