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參數(shù)資料
| 型號： | EVAL-AD1556EB |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Evaluation Board AD1555/1556 24-Bit ADC |
| 中文描述： | 評估板AD1555/1556 24位ADC |
| 文件頁數(shù)： | 3/9頁 |
| 文件大?。?/td> | 1277K |
| 代理商： | EVAL-AD1556EB |
REV. PrD
–3–
EVAL-AD1555/AD1556
- The software uses a special font which can be installed using
Start>Settings>Control Panel>Fonts>File>install new fonts>
then select ADILogo Regular in the working directory then
OK.
- To operate the software, follow the 5 steps described in
figure 1.
Using the EVAL-AD1555/56B in the customized system :
The EVAL-AD1555/56EB is also designed to ease the
evaluation and the design of the AD1555 and the AD1556 in
the customized system. The useful interface signals can be
connected to the customized system using the connector P2.
The switch SW1 in the position where the identification dot
of the switch is hidden changes the configuration of U1 as
follows :
- The AD1556 CLKIN at 1.024MHz is supplied by U1 (
exact division by 8 of U5 oscillator ).
- U1 transmits the AD1556 MCLK output ( 256kHz ) to the
AD1555 MCLK with the appropriate phase ( one inversion
is done by U1 in order to cancel the U9 inversion).
- U1 output pins PGA0-4, CS*, R/W*, DINM1, BW0-2,
H/S*, RSEL, CSEL, PWRDN, RESET, SYNC, SCLKOUT,
TDATA are Hi-Z .
This configuration allows the control of these signals by the
customized system. The AD1555 and AD1556 clock are still
generated by the EVAL-AD1555/56EB.
Integrated Circuits
U1
U2
U3
U4
U5
U6
U7
U8,U9
FPGA EPM7128ELC84-15.
AD1556AS.
AD1555AP.
reference AD780AN.
Oscillator 8.192MHz.
Buffer 74HC245.
Invertor 74HC04.
Optocoupler HCPL2630.
Capacitors
C1-C6,C8-C9,C11-C12,
C14-C16,C22-C24,C27,
C29-C31,C33,C34
C7,C10,C13,C17-C18,
C21,C25,C26,C28
C20
100nF Ceramic Capacitors.
10 F Tantalum Capacitors.
22 F Tantalum Capacitor 6.3v.
TABLE III. Component List.
Resistors
R6,R10-R15
R1-R5
R8,R9
R17,R21,R22
R18-R20
R16
47.5K Resistor.
13K Resistor.
4.7K Resistor.
2K Resistor.
402 Resistor.
10 Resistor.
Sockets
P2
P1
JP2
PB1
SW1,JP1
SMB1-SMB5
50pin Male ribbon cable connector.
25pin DB-25 connector.
2 Position Male jumper strip.
SMT push-button.
Slide Switch.
SMB Connector.
PRELIMINARY TECHNICAL DATA
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