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參數(shù)資料
| 型號(hào)： | EVAL-AD7492CB |
| 廠商： | Analog Devices, Inc. |
| 元件分類(lèi)： | ADC |
| 英文描述： | Evaluation Board for 12-bit high speed, low power, successive-approximation ADC |
| 中文描述： | 評(píng)估板12位高速，低功耗，逐次逼近型ADC |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大?。?/td> | 722K |
| 代理商： | EVAL-AD7492CB |
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One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
REV. A
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
Evaluation Board for 12-bit high speed,
low power, successive-approximation ADC
EVAL-AD7492CB
FUNCTIONAL BLOCK DIAGRAM
FEATURES
Full-Featured Evaluation Board for the AD7492
EVAL-CONTROL BRD2 Compatible
Stand Alone Capability
On-Board Analog Buffering and Reference
Optional On-Board Analog Bias-Up Circuit
Various Linking Options
PC Software for Control and Data Analysis when used
with EVAL-CONTROL BRD2
INTRODUCTION
This Technical Note describes the evaluation board for the
AD7492 12-bit, high speed, low power, internal reference
and clock, successive approximation A/D converter that
operates from a single 2.7 V to 5.25 V supply. Full data on
the AD7492 is available in the AD7492 data sheet available
from Analog Devices and should be consulted in conjunction
with this Technical Note when using the Evaluation Board.
On-board components include an AD780 which is a pin
programmable +2.5 V or +3 V ultra high precision bandgap
reference, two AD797 op-amps used to buffer the analog
input, and an OP07 op-amp used to buffer the DC bias
voltage applied to the optional analog input bias-up circuit.
There are various link options which are explained in detail
on page 2.
Interfacing to this board is through a 96-way connector. This
96-way connector is compatible with the EVAL-CONTROL
BRD2 which is also available from Analog Devices. External
sockets are provided for the
inputs.
input and the VIN
OPERATING THE AD7492 EVALUATION BOARD
Power Supplies
When using this evaluation board with the EVAL-CON-
TROL BRD2, all supplies are provided from the EVAL-
CONTROL BRD2 through the 96 way connector.
When using the board as a stand alone unit, external supplies
must be provided. This evaluation board has five power
supply inputs: V
DD
, A
GND
, V
SS
, V
DRIVE
and D
GND
. +5 V must
be connected to the V
DD
input to supply the AV
DD
and DV
DD
pins on the AD7492, the AD780 voltage reference, the
positive supply pin of all three op-amps and the digital
control logic. 0 V is connected to the A
GND
input. -5 V must
be connected to the V
SS
input to supply the negative supply
pins on all three op-amps. The V
DRIVE
input can be used to
provide an external voltage for the output drivers on the
AD7492. If an external V
DRIVE
is supplied, it is referenced to
the D
GND
input which should be tied to 0 V. The supplies are
decoupled to the relevant ground plane with 47μF tantalum
and 0.1μF multilayer ceramic capacitors at the point where
they enter the board. The supply pins of the op-amps and
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| EVAL-AD7492CBZ | 功能描述:BOARD EVALUATION FOR AD7492 RoHS:是 類(lèi)別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7492SDZ | 功能描述:BOARD EVAL FOR AD7492 RoHS:是 類(lèi)別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:* 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| EVAL-AD7495CB | 制造商:Analog Devices 功能描述:EVAL BD EVAL BDS FOR 1 MSPS, 12-BIT ADC - Bulk |
| EVAL-AD7495CB3 | 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:1 MSPS, 12-Bit ADCs |
| EVAL-AD7495CB4 | 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:1MSPS,12-Bit ADCs |
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