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參數(shù)資料
| 型號： | AD7948BRZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT MULTIPLYING 20-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 標(biāo)準(zhǔn)包裝： | 37 |
| 設(shè)置時間： | 600ns |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 25µW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-SOIC W |
| 包裝： | 管件 |
| 輸出數(shù)目和類型： | 1 電流，單極；1 電流，雙極 |
| 采樣率（每秒）： | 1.7M |
FUNCTIONAL BLOCK DIAGRAMS
VDD
RFB
DGND
AD7948
DB7–DB0
DF/
DOR
CTRL
LDAC
WR
CSLSB
CSMSB
IOUT1
AGND
VREF
12-BIT DAC
12
DATA OVERRIDE LOGIC
12
DAC REGISTER
12
INPUT REGISTERS
CONTROL
LOGIC
DATA STEERING LOGIC
8
CS
WR
VDD
RFB
IOUT1
AGND
VREF
DGND
DB11–DB0
AD7945
12-BIT DAC
12
INPUT LATCH
12
AD7943
VDD
RFB
IOUT1
AGND
IOUT2
SRO
STB1
DGND
STB2
STB3 STB4
CLR
LD1
LD2
SRI
VREF
12-BIT DAC
DAC REGISTER
INPUT SHIFT REGISTER
REV. B
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
+3.3 V/+5 V Multiplying
12-Bit DACs
AD7943/AD7945/AD7948
FEATURES
12-Bit Multiplying DACs
Guaranteed Specifications with +3.3 V/+5 V Supply
0.5 LSBs INL and DNL
Low Power: 5
W typ
Fast Interface
40 ns Strobe Pulsewidth (AD7943)
40 ns Write Pulsewidth (AD7945, AD7948)
Low Glitch: 60 nV-s with Amplifier Connected
Fast Settling: 600 ns to 0.01% with AD843
APPLICATIONS
Battery-Powered Instrumentation
Laptop Computers
Upgrades for All 754x Series DACs (5 V Designs)
GENERAL DESCRIPTION
The AD7943, AD7945 and AD7948 are fast 12-bit multiplying
DACs that operate from a single +5 V supply (Normal Mode)
and a single +3.3 V to +5 V supply (Biased Mode). The
AD7943 has a serial interface, the AD7945 has a 12-bit parallel
interface, and the AD7948 has an 8-bit byte interface. They will
replace the industry-standard AD7543, AD7545 and AD7548
in many applications, and they offer superior speed and power
consumption performance.
The AD7943 is available in 16-lead DIP, 16-lead SOP (Small
Outline Package) and 20-lead SSOP (Shrink Small Outline
Package).
The AD7945 is available in 20-lead DIP, 20-lead SOP and 20-
lead SSOP.
The AD7948 is available in 20-lead DIP, 20-lead SOP and 20-
lead SSOP.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 1998
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| AD7948BRZ-REEL | 功能描述:IC DAC 12BIT MULT PARALL 20SOIC 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:2,400 系列:- 設(shè)置時間:- 位數(shù):18 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:3 電壓電源:模擬和數(shù)字 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:36-TFBGA 供應(yīng)商設(shè)備封裝:36-TFBGA 包裝:帶卷 (TR) 輸出數(shù)目和類型:* 采樣率（每秒）:* |
| AD7949 | 制造商:AD 制造商全稱:Analog Devices 功能描述:16-Bit, 8-Channel, 500 kSPS PulSAR ADC |
| AD7949_09 | 制造商:AD 制造商全稱:Analog Devices 功能描述:14-Bit, 8-Channel, 250 kSPS PulSAR ADC |
| AD7949BCPZ | 功能描述:IC ADC 14BIT 250KSPS 8CH 20LFCSP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:PulSAR® 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| AD7949BCPZ | 制造商:Analog Devices 功能描述:IC ADC 14BIT 250KSPS LFCSP-20 |
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