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AD9650 View Datasheet(PDF) - Analog Devices

Part Name
Description
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AD9650 Datasheet PDF : 44 Pages
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PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
CLK+ 1
CLK– 2
SYNC 3
D0B 4
D1B 5
D2B 6
D3B 7
D4B 8
D5B 9
DRVDD 10
D6B 11
D7B 12
D8B 13
D9B 14
D10B 15
D11B 16
PIN 1
INDICATOR
AD9650
PARALLEL CMOS
TOP VIEW
(Not to Scale)
48 PDWN
47 OEB
46 CSB
45 SCLK/DFS
44 SDIO/DCS
43 ORA
42 D15A
41 D14A
40 D13A
39 D12A
38 D11A
37 DRVDD
36 D10A
35 D9A
34 D8A
33 D7A
AD9650
NOTES
1. THE EXPOSED THERMAL PAD ON THE BOTTOM OF THE PACKAGE
PROVIDES THE ANALOG GROUND FOR THE PART. THIS EXPOSED
PAD MUST BE CONNECTED TO GROUND FOR PROPER OPERATION.
Figure 6. LFCSP Parallel CMOS Pin Configuration (Top View)
Table 8. Pin Function Descriptions (Parallel CMOS Mode)
Pin No.
Mnemonic
Type
Description
ADC Power Supplies
10, 19, 28, 37
DRVDD
Supply
Digital Output Driver Supply (1.8 V Nominal).
49, 50, 53, 54, 59,
60, 63, 64
AVDD
Supply
Analog Power Supply (1.8 V Nominal).
0
AGND,
Ground
The exposed thermal pad on the bottom of the package provides the analog
Exposed Pad
ground for the part. This exposed pad must be connected to ground for proper
operation.
ADC Analog
51
VIN+A
Input
Differential Analog Input Pin (+) for Channel A.
52
VIN−A
Input
Differential Analog Input Pin (−) for Channel A.
62
VIN+B
Input
Differential Analog Input Pin (+) for Channel B.
61
VIN−B
Input
Differential Analog Input Pin (−) for Channel B.
55
VREF
Input/output Voltage Reference Input/Output.
56
SENSE
Input
Voltage Reference Mode Select. See Table 11 for details.
58
RBIAS
Input/output External Reference Bias Resistor.
57
VCM
Output
Common-Mode Level Bias Output for Analog Inputs.
1
CLK+
Input
ADC Clock Input—True.
2
CLK−
Input
ADC Clock Input—Complement.
Digital Input
3
SYNC
Input
Digital Synchronization Pin. Slave mode only.
Digital Outputs
25
D0A
Output
Channel A CMOS Output Data (LSB).
26
D1A
Output
Channel A CMOS Output Data.
27
D2A
Output
Channel A CMOS Output Data.
29
D3A
Output
Channel A CMOS Output Data.
30
D4A
Output
Channel A CMOS Output Data.
31
D5A
Output
Channel A CMOS Output Data.
32
D6A
Output
Channel A CMOS Output Data.
Rev. 0 | Page 11 of 44
 

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