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參數(shù)資料
| 型號(hào)： | AD7226KP |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | LC2MOS Quad 8-Bit D/A Converter |
| 中文描述： | PARALLEL, 8 BITS INPUT LOADING, 3 us SETTLING TIME, 8-BIT DAC, PQCC20 |
| 封裝： | PLASTIC, MO-047AA, LCC-20 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 247K |
| 代理商： | AD7226KP |
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.
a
LC
2
MOS
Quad 8-Bit D/AConverter
AD7226
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
FUNCT IONAL BLOCK DIAGRAM
FEATURES
Four 8-Bit DACs with Output Amplifiers
Skinny 20-Pin DIP, SOIC and 20-Terminal
Surface Mount Packages
Microprocessor Compatible
TTL/CMOS Compatible
No User Trims
Extended Temperature Range Operation
Single Supply Operation Possible
APPLICATIONS
Process Control
Automatic Test Equipment
Automatic Calibration of Large System Parameters,
e.g., Gain/Offset
PRODUCT HIGHLIGHT S
1. DAC-to-DAC Matching
Since all four DACs are fabricated on the same chip at the
same time, precise matching and tracking between the DACs
is inherent.
2. Single Supply Operation
T he voltage mode configuration of the DACs allows the
AD7226 to be operated from a single power supply rail.
3. Microprocessor Compatibility
T he AD7226 has a common 8-bit data bus with individual
DAC latches, providing a versatile control architecture for
simple interface to microprocessors. All latch enable signals
are level triggered.
4. Small Size
Combining four DACs and four op amps plus interface logic
into a 20-pin DIP or SOIC or a 20-terminal surface mount
package allows a dramatic reduction in board space require-
ments and offers increased reliability in systems using mul-
tiple converters. Its pinout is aimed at optimizing board
layout with all the analog inputs and outputs at one end of the
package and all the digital inputs at the other.
GE NE RAL DE SCRIPT ION
T he AD7226 contains four 8-bit voltage-output digital-to-
analog converters, with output buffer amplifiers and interface
logic on a single monolithic chip. No external trims are required
to achieve full specified performance for the part.
Separate on-chip latches are provided for each of the four D/A
converters. Data is transferred into one of these data latches
through a common 8-bit T T L/CMOS (5 V) compatible input
port. Control inputs A0 and A1 determine which DAC is loaded
when
WR
goes low. T he control logic is speed-compatible with
most 8-bit microprocessors.
Each D/A converter includes an output buffer amplifier capable
of driving up to 5 mA of output current. T he amplifiers’ offsets
are laser-trimmed during manufacture, thereby eliminating any
requirement for offset nulling.
Specified performance is guaranteed for input reference voltages
from +2 V to +12.5 V with dual supplies. T he part is also speci-
fied for single supply operation at a reference of +10 V.
T he AD7226 is fabricated in an all ion-implanted high speed
Linear Compatible CMOS (LC
2
MOS) process which has been
specifically developed to allow high speed digital logic circuits
and precision analog circuits to be integrated on the same chip.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| AD7226KP-REEL | 制造商:Analog Devices 功能描述:DAC 4-CH R-2R 8-bit 20-Pin PLCC T/R 制造商:Analog Devices 功能描述:DAC 4-CH R-2R 8BIT 20PLCC - Tape and Reel |
| AD7226KPZ | 功能描述:IC DAC 8BIT LC2MOS QUAD 20-PLCC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 設(shè)置時(shí)間:4.5µs 位數(shù):12 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)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:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOICN 包裝:剪切帶 (CT) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:* 其它名稱:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
| AD7226KPZ | 制造商:Analog Devices 功能描述:IC 8-BIT DAC |
| AD7226KPZ-REEL | 功能描述:IC DAC 8BIT QUAD W/AMP 20PLCC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Data Converter Fundamentals DAC Architectures 標(biāo)準(zhǔn)包裝:750 系列:- 設(shè)置時(shí)間:7µs 位數(shù):16 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 電壓電源:雙 ± 功率耗散（最大）:100mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-LCC（J 形引線） 供應(yīng)商設(shè)備封裝:28-PLCC（11.51x11.51） 包裝:帶卷 (TR) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:143k |
| AD7226KR | 功能描述:IC DAC 8BIT LC2MOS QUAD 20-SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Data Converter Fundamentals DAC Architectures 標(biāo)準(zhǔn)包裝:750 系列:- 設(shè)置時(shí)間:7µs 位數(shù):16 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 電壓電源:雙 ± 功率耗散（最大）:100mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-LCC（J 形引線） 供應(yīng)商設(shè)備封裝:28-PLCC（11.51x11.51） 包裝:帶卷 (TR) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:143k |
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