AD9239 Analog Devices, AD9239 Datasheet - Page 9

• Manufacturer Part Number: AD9239
• Description: Quad, 12-Bit, 170 MSPS/210 MSPS/250 MSPS Serial Output 1.8 V ADC
• Manufacturer: Analog Devices

Specifications of AD9239

• Resolution (bits): 12bit
• # Chan: 4
• Sample Rate: 250MSPS
• Interface: Ser
• Analog Input Type: Diff-Uni,SE-Uni
• Ain Range: 1.25 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

PIN CONFIGURATION AND FUNCTION DESCRIPTION
Table 8. Pin Function Descriptions
Pin No.
0
23, 34
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
24, 33
2
3
8
10
11
16
17
22
25
26
27
28
29
30
31
32
35
Mnemonic
AGND
DRGND
AVDD
DRVDD
TEMPOUT
RBIAS
VCM D
VIN − D
VIN + D
CLK−
CLK+
RESET
DOUT + D
DOUT − D
DOUT + C
DOUT − C
DOUT + B
DOUT − B
DOUT + A
DOUT − A
PDWN
TEMPOUT
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.
VIN – D
VIN + D
VCM D
RBIAS
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
AVDD
CLK–
CLK+
NC
NC
NC
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
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.
PIN 1
INDICATOR
Figure 3. Pin Configuration
PIN 0 = EPAD = AGND
Rev. B | Page 9 of 40
(Not to Scale)
AD9239
TOP VIEW
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
NC
PGM0
PGM1
PGM2
PGM3
NC
AVDD
VCM A
AVDD
VIN – A
VIN + A
AVDD
AVDD
AVDD
CSB
SCLK
SDI/SDIO
SDO
AD9239