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參數(shù)資料
| 型號(hào)： | AD7247A |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | LC2MOS Dual 12-Bit DACPORTs |
| 中文描述： | LC2MOS雙12位DACPORTs |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 392K |
| 代理商： | AD7247A |
AD7237A/AD7247A
REV. 0
–5–
AD7247A PIN FUNCTION DESCRIPTION (DIP PIN NUMBERS)
Pin
Mnemonic
Description
1
REF OUT
Voltage Reference Output. The internal 5 V analog reference is provided at this pin. To operate the part
with internal reference, REF OUT should be connected to REF IN.
2
R
OFSB
Output Offset Resistor for DAC B. This input configures the output ranges for DAC B. It is connected to
V
OUTB
for the +5 V range, to GND for the +10 V range and to REF IN for the
±
5 V range.
3
V
OUTB
Analog Output Voltage from DAC B. This is the buffer amplifier output voltage. Three different output
voltage ranges can be chosen: 0 V to +5 V, 0 V to +10 V and
±
5 V. The amplifier is capable of developing
+10 V across a 2 k
resistor to GND.
4
DB11
Data Bit 11 (MSB).
5
DB10
Data Bit 10.
6
GND
Ground. Ground reference for all on-chip circuitry.
7–15
DB9-DB1
Data Bit 9 to Data Bit 1.
16
DB0
Data Bit 0 (LSB).
17
CSB
Chip Select Input for DAC B. Active low logic input. DAC B is selected when this input is active.
18
CSA
Chip Select Input for DAC A. Active low logic input. DAC A is selected when this input is active.
19
WR
Write Input.
WR
is an active low logic input which is used in conjunction with
CSA
and
CSB
to write data
to the DAC latches.
20
V
DD
Positive Supply (+12 V to +15 V).
21
V
OUTA
Analog Output Voltage from DAC A. This is the buffer amplifier output voltage. Three different output
voltage ranges can be chosen: 0 V to +5 V, 0 V to +10 V and
±
5 V. The amplifier is capable of developing
+10 V across a 2 k
resistor to GND.
22
V
SS
Negative Supply (0 V or –12 V to –15 V).
23
R
OFSA
Output Offset Resistor for DAC A. This input configures the output ranges for DAC A. It is connected to
V
OUTA
for the +5 V range, to GND for the +10 V range and to REF IN for the
±
5 V range.
24
REF IN
Voltage Reference Input. The common reference voltage for both DACs is applied to this pin. It is internally
buffered before being applied to both DACs. The nominal reference voltage for correct operation of the
AD7247A is 5 V.
AD7237A PIN CONFIGURATION
DIP and SOIC
AD7247A PIN CONFIGURATION
DIP and SOIC
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參數(shù)描述 |
|---|---|
| AD7247AAN | 功能描述:IC DAC 12BIT W/AMP W/BUFF 24-DIP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:DACPORT® 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 |
| AD7247AANZ | 功能描述:IC DAC 12BIT W/AMP W/BUFF 24-DIP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:DACPORT® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 設(shè)置時(shí)間:4µs 位數(shù):12 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)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(yīng)商設(shè)備封裝:8-uMAX 包裝:管件 輸出數(shù)目和類型:2 電壓，單極 采樣率（每秒）:* 產(chǎn)品目錄頁面:1398 (CN2011-ZH PDF) |
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| AD7247AAR-REEL | 制造商:Analog Devices 功能描述:DAC 2-CH R-2R 12-bit 24-Pin SOIC W T/R 制造商:Analog Devices 功能描述:DAC 2CH R-2R 12-BIT 24SOIC W - Tape and Reel |
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