參數(shù)資料
型號(hào)： AD9244-EVAL
廠商： Analog Devices, Inc.
英文描述： 14-Bit, 40/65 MSPS Monolithic A/D Converter
中文描述： 14位，六十五分之四十MSPS的單片機(jī)的A / D轉(zhuǎn)換器
文件頁(yè)數(shù)： 23/36頁(yè)
文件大?。?/td> 1845K
代理商： AD9244-EVAL
REV. A
AD9244
–23–
REFIN
10MHz
REFOUT
SIGNAL SYNTHESIZER
2.5MHz, 0.8V p-p
HP8644
CLK SYNTHESIZER
65MHz, 1V p-p
HP8644
2.5MHz
BAND-PASS FILTER
AVDD
GND
DUT
AVDD
GND
DUT
DVDD
DVDD
AD9244
EVALUATION BOARD
OUTPUT
BUSS
J1
S4
INPUT
xFMR
S1/S5
INPUT
CLOCK
5V
+
–
5V
–
+
3V
–
+
3V
–
+
DSP
EQUIPMENT
CLOCK
DIVIDER
Figure 20. Evaluation Board Connections
Table VI. Reference Jumper Configuration
Reference
Voltage
Jumpers
Notes
Internal
Internal
Internal
External
2 V
1 V
1 V
≤
VREF
≤
2 V
1 V
≤
VREF
≤
2 V
23
24
25
8, 22
JP8 Not Connected.
JP8 Not Connected.
JP8 Not Connected. VREF = 1 + R1/R2.
Set VREF with R26.
Table VII. Clock Jumper Configuration
Input Connector
Jumpers
DUT Clock
Differential
Single-Ended
S5
S1
11, 13
12, 15
Data Capture Clock
Internal
Diff DUT Clock
SE DUT Clock
External
NA
NA
S6
9, 18A
9, 18B
3 or 4
Table V. Analog Input Jumper Configuration
Input
Connector
Jumpers
Notes
Differential: Transformer
Differential: Amplifier
Single-Ended
S4
S2
S3
45, 46
42, 43
5, 40, 41
R8, R28 Provide DC Bias. Optimal for 500 kHz+.
Remove T1 or T4. Used for low input frequencies.
Remove T1 or T4. JP5: connected for dc-coupled, not connected
for ac-coupling.
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