AD9627ABCPZ-150 データシートの表示（PDF） - Analog Devices
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AD9627ABCPZ-150
Analog Devices
AD9627ABCPZ-150 Datasheet PDF : 76 Pages
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AD9627
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
DRVDD 1
D4B 2
D5B 3
D6B 4
D7B 5
D8B 6
D9B 7
D10B 8
D11B (MSB) 9
DCOB 10
DCOA 11
DNC 12
DNC 13
D0A (LSB) 14
D1A 15
D2A 16
PIN 1
INDICATOR
EXPOSED PADDLE, PIN 0
(BOTTOM OF PACKAGE)
AD9627
PARALLEL CMOS
TOP VIEW
(Not to Scale)
48 SCLK/DFS
47 SDIO/DCS
46 AVDD
45 AVDD
44 VIN+B
43 VIN–B
42 RBIAS
41 CML
40 SENSE
39 VREF
38 VIN–A
37 VIN+A
36 AVDD
35 SMI SDFS
34 SMI SCLK/PDWN
33 SMI SDO/OEB
NOTES
1. DNC = DO NOT CONNECT.
2. THE EXPOSED PAD MUST BE CONNECTED TO ANALOG GROUND.
Figure 6. LFCSP Parallel CMOS Pin Configuration (Top View)
Table 11. Pin Function Descriptions (Parallel CMOS Mode)
Pin No.
Mnemonic
Type
Description
ADC Power Supplies
20, 64
DRGND
Ground
Digital Output Ground.
1, 21
DRVDD
Supply
Digital Output Driver Supply (1.8 V to 3.3 V).
24, 57
DVDD
Supply
Digital Power Supply (1.8 V Nominal).
36, 45, 46
AVDD
Supply
Analog Power Supply (1.8 V Nominal).
0
AGND
Ground
Analog Ground. Pin 0 is the exposed thermal pad on the bottom of the package.
12, 13, 58, 59 DNC
Do Not Connect.
ADC Analog
37
VIN+A
Input
Differential Analog Input Pin (+) for Channel A.
38
VIN−A
Input
Differential Analog Input Pin (−) for Channel A.
44
VIN+B
Input
Differential Analog Input Pin (+) for Channel B.
43
VIN−B
Input
Differential Analog Input Pin (−) for Channel B.
39
VREF
Input/Output Voltage Reference Input/Output.
40
SENSE
Input
Voltage Reference Mode Select. See Table 14 for details.
42
RBIAS
Input/Output External Reference Bias Resistor.
41
CML
Output
Common-Mode Level Bias Output for Analog Inputs.
49
CLK+
Input
ADC Clock Input—True.
50
CLK−
Input
ADC Clock Input—Complement.
ADC Fast Detect Outputs
29
FD0A
Output
Channel A Fast Detect Indicator. See Table 17 for details.
30
FD1A
Output
Channel A Fast Detect Indicator. See Table 17 for details.
31
FD2A
Output
Channel A Fast Detect Indicator. See Table 17 for details.
32
FD3A
Output
Channel A Fast Detect Indicator. See Table 17 for details.
53
FD0B
Output
Channel B Fast Detect Indicator. See Table 17 for details.
54
FD1B
Output
Channel B Fast Detect Indicator. See Table 17 for details.
55
FD2B
Output
Channel B Fast Detect Indicator. See Table 17 for details.
56
FD3B
Output
Channel B Fast Detect Indicator. See Table 17 for details.
Rev. B | Page 16 of 76
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