AD9639 查看數據表（PDF） - Analog Devices
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AD9639 Datasheet PDF : 36 Pages
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Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
AD9639
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
AD9639
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 PCB INCREASES THE RELIABILITY OF THE SOLDER JOINTS,
MAXIMIZING THE THERMAL CAPABILITY OF THE PACKAGE.
Figure 3. Pin Configuration
Table 7. Pin Function Descriptions
Pin No.
Mnemonic
0
AGND
1, 5, 6, 19, 36, 49, 54,
63, 72
2
3
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
8
10
11
16
17
22
23, 34
24, 33
25
26
27
28
29
30
NC
TEMPOUT
RBIAS
AVDD
VCM D
VIN − D
VIN + D
CLK−
CLK+
RESET
DRGND
DRVDD
DOUT + D
DOUT − D
DOUT + C
DOUT − C
DOUT + B
DOUT − B
Description
Analog Ground (Exposed Paddle). The exposed paddle must be soldered to the ground
plane. Soldering the exposed paddle to the PCB increases the reliability of the solder joints,
maximizing the thermal capability of the package.
No Connection.
Output Voltage to Monitor Temperature.
External Resistor to Set the Internal ADC Core Bias Current.
1.8 V Analog Supply.
Common-Mode Output Voltage Reference.
ADC D Analog Input Complement.
ADC D Analog Input True.
Clock Input Complement.
Clock Input True.
Reset Enable Pin. Resets the digital output timing.
Digital Output Driver Ground.
1.8 V Digital Output Driver Supply.
ADC D Digital Output True.
ADC D Digital Output Complement.
ADC C Digital Output True.
ADC C Digital Output Complement.
ADC B Digital Output True.
ADC B Digital Output Complement.
Rev. C | Page 9 of 36
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