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參數資料
| 型號： | AD7302BRUZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 8BIT DUAL R-R 20-TSSOP |
| 產品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 標準包裝： | 1,000 |
| 設置時間： | 1.2µs |
| 位數： | 8 |
| 數據接口： | 并聯 |
| 轉換器數目： | 2 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 24.8mW |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 20-TSSOP |
| 包裝： | 帶卷 (TR) |
| 輸出數目和類型： | 2 電壓，單極；2 電壓，雙極 |
| 采樣率（每秒）： | 833k |
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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.
a
AD7302
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
Analog Devices, Inc., 1997
2.7 V to 5.5 V, Parallel Input
Dual Voltage Output 8-Bit DAC
FUNCTIONAL BLOCK DIAGRAM
POWER ON
RESET
CS
WR
D0
REFIN
VDD
AD7302
VOUTA
DGND
D7
AGND
A/B
CLR
LDAC
PD
I/V
VOUTB
MUX
÷2
INPUT
REGISTER
DAC
REGISTER
I DAC A
DAC
REGISTER
I DAC B
I/V
INPUT
REGISTER
CONTROL
LOGIC
FEATURES
Two 8-Bit DACs In One Package
20-Lead DIP/SOIC/TSSOP Package
+2.7 V to +5.5 V Operation
Internal and External Reference Capability
DAC Power-Down Function
Parallel Interface
On-Chip Output Buffer
Rail-to-Rail Operation
Low Power Operation 3 mA max @ 3.3 V
Power-Down to 1
A max @ 25 C
APPLICATIONS
Portable Battery Powered Instruments
Digital Gain and Offset Adjustment
Programmable Voltage and Current Sources
Programmable Attenuators
GENERAL DESCRIPTION
The AD7302 is a dual, 8-bit voltage out DAC that operates
from a single +2.7 V to +5.5 V supply. Its on-chip precision
output buffers allow the DAC outputs to swing rail to rail. The
AD7302 has a parallel microprocessor and DSP-compatible
interface with high speed registers and double buffered interface
logic. Data is loaded to the registers on the rising edge of
CS or
WR and the A/B pin selects either DAC A or DAC B.
Reference selection for AD7302 can be either an internal
reference derived from the VDD or an external reference applied
at the REFIN pin. Both DACs can be simultaneously updated
using the asynchronous
LDAC input and can be cleared by
using the asynchronous
CLR input.
The low power consumption of this part makes it ideally suited
to portable battery operated equipment. The power consump-
tion is less than 10 mW at 3.3 V, reducing to 3
W in power-
down mode.
The AD7302 is available in a 20-pin plastic dual-in-line package,
20-lead SOIC and a 20-lead TSSOP package.
PRODUCT HIGHLIGHTS
1. Low Power, Single Supply Operation. This part operates
from a single +2.7 V to +5.5 V supply and typically consumes
15 mW at 5 V, making it ideal for battery powered applications.
2. The on-chip output buffer amplifiers allow the outputs of the
DACs to swing rail to rail with a settling time of typically 1.2
s.
3. Internal or external reference capability.
4. High speed parallel interface.
5. Power-Down Capability. When powered down the DAC
consumes less than 1
A at 25°C.
6. Packaged in 20-lead DIP, SOIC and TSSOP packages.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7302BRZ | 功能描述:IC DAC 8BIT DUAL R-R 20-SOIC RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 設置時間:4µs 位數:12 數據接口:串行 轉換器數目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:8-uMAX 包裝:管件 輸出數目和類型:2 電壓，單極 采樣率（每秒）:* 產品目錄頁面:1398 (CN2011-ZH PDF) |
| AD7302BRZ | 制造商:Analog Devices 功能描述:8BIT DAC PARALLEL 2.7~5.5V 20SOIC 制造商:Analog Devices 功能描述:8BIT DAC, PARALLEL, 2.7~5.5V, 20SOIC |
| AD7302BRZ-REEL | 功能描述:IC DAC 8BIT DUAL R-R 20-SOIC RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:Data Converter Fundamentals DAC Architectures 設計資源:Unipolar, Precision DC Digital-to-Analog Conversion using AD5450/1/2/3 8-14-Bit DACs (CN0052) Precision, Bipolar, Configuration for AD5450/1/2/3 8-14bit Multiplying DACs (CN0053) AC Signal Processing Using AD5450/1/2/3 Current Output DACs (CN0054) Programmable Gain Element Using AD5450/1/2/3 Current Output DAC Family (CN0055) Single Supply Low Noise LED Current Source Driver Using a Current Output DAC in the Reverse Mode (CN0139) 標準包裝:10,000 系列:- 設置時間:- 位數:12 數據接口:DSP，MICROWIRE?，QSPI?，串行，SPI? 轉換器數目:1 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-8 薄型，TSOT-23-8 供應商設備封裝:TSOT-23-8 包裝:帶卷 (TR) 輸出數目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:2.7M |
| AD7302BRZ-REEL7 | 功能描述:IC DAC 8BIT DUAL R-R 20-SOIC RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 設置時間:4µs 位數:12 數據接口:串行 轉換器數目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:8-uMAX 包裝:管件 輸出數目和類型:2 電壓，單極 采樣率（每秒）:* 產品目錄頁面:1398 (CN2011-ZH PDF) |
| AD7303 | 制造商:AD 制造商全稱:Analog Devices 功能描述:+2.7 V to +5.5 V, Serial Input, Dual Voltage Output 8-Bit DAC |
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