AD9239 查看數據表（PDF） - Analog Devices
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AD9239 Datasheet PDF : 41 Pages
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Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTION
NC 1
TEMPOUT 2
RBIAS 3
AVDD 4
NC 5
NC 6
AVDD 7
VCM D 8
AVDD 9
VIN – D 10
VIN + D 11
AVDD 12
AVDD 13
AVDD 14
AVDD 15
CLK– 16
CLK+ 17
AVDD 18
PIN 1
INDICATOR
PIN 0 = EPAD = AGND
AD9239
TOP VIEW
(Not to Scale)
54 NC
53 PGM0
52 PGM1
51 PGM2
50 PGM3
49 NC
48 AVDD
47 VCM A
46 AVDD
45 VIN – A
44 VIN + A
43 AVDD
42 AVDD
41 AVDD
40 CSB
39 SCLK
38 SDI/SDIO
37 SDO
NOTES
1. NC = NO CONNECT.
2. THE EXPOSED PADDLE MUST BE SOLDERED TO THE GROUND PLANE
FOR THE LFCSP PACKAGE. SOLDERING THE EXPOSED PADDLE TO
THE CUSTOMER BOARD INCREASES THE RELIABILITY OF THE SOLDER
JOINTS, MAXIMIZING THE THERMAL CAPABILITY OF THE PACKAGE.
Figure 3. Pin Configuration
Table 8. Pin Function Descriptions
Pin No.
Mnemonic
0
AGND
23, 34
DRGND
4, 7, 9, 12, 13, 14,
15, 18, 20, 21, 41, 42,
43, 46, 48, 55, 57,
60, 61, 62, 64, 65,
66, 69, 71
AVDD
24, 33
DRVDD
2
TEMPOUT
3
RBIAS
8
VCM D
10
VIN − D
11
VIN + D
16
CLK−
17
CLK+
22
RESET
25
DOUT + D
26
DOUT − D
27
DOUT + C
28
DOUT − C
29
DOUT + B
30
DOUT − B
31
DOUT + A
32
DOUT − A
35
PDWN
Description
Analog Ground (Exposed Paddle).
Digital Output Driver Ground.
1.8 V Analog Supply.
1.8 V Digital Output Driver Supply.
Output Voltage to Monitor Temperature.
External Resistor to Set the Internal ADC Core Bias Current.
Common-Mode Output Voltage Reference.
ADC D Analog Complement.
ADC D Analog True.
Input Clock Complement.
Input Clock True.
Digital Output Timing Reset.
ADC D True Digital Output.
ADC D Complement Digital Output.
ADC C True Digital Output.
ADC C Complement Digital Output.
ADC B True Digital Output.
ADC B Complement Digital Output.
ADC A True Digital Output.
ADC A Complement Digital Output.
Power-Down.
Rev. E | Page 9 of 40
AD9239
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