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參數(shù)資料
| 型號(hào)： | AD7247AANZ |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 6/12頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 12BIT W/AMP W/BUFF 24-DIP |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 標(biāo)準(zhǔn)包裝： | 15 |
| 系列： | DACPORT® |
| 設(shè)置時(shí)間： | 10µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 電壓電源： | 雙 ± |
| 功率耗散（最大）： | 1W |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 24-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 24-PDIP |
| 包裝： | 管件 |
| 輸出數(shù)目和類型： | 2 電壓，單極；2 電壓，雙極 |
| 產(chǎn)品目錄頁(yè)面： | 784 (CN2011-ZH PDF) |
AD7237A/AD7247A
REV. 0
–3–
TIMING CHARACTERISTICS1, 2
Limit at TMIN, TMAX
Parameter
(A, B Versions)
(T Version)
Units
Conditions/Comments
t1
0
ns min
CS
to WR Setup Time
t2
0
ns min
CS
to WR Hold Time
t3
80
100
ns min
WR
Pulse Width
t4
80
ns min
Data Valid to WR Setup Time
t5
4
10
ns min
Data Valid to WR Hold Time
t6
0
ns min
Address to WR Setup Time
t7
0
ns min
Address to WR Hold Time
t8
5
80
100
ns min
LDAC
Pulse Width
NOTES
1Sample tested at +25
°C to ensure compliance. All input signals are specified with tr = tf = 5 ns (10% to 90% of 5 V) and timed from a voltage level of 1.6 V.
2See Figures 5 and 7.
3Power Supply tolerance is
±10% for A version and ±5% for B and T versions.
4If 0 ns < t
2 < 10 ns, add t2 to t5. If t2
≥ 10 ns, add 10 ns to t
5.
5AD7237A only.
ABSOLUTE MAXIMUM RATINGS
1
(TA = +25°C unless otherwise noted)
VDD to GND (AD7247A) . . . . . . . . . . . . . . . . –0.3 V to +17 V
VDD to AGND, DGND (AD7237A) . . . . . . . . –0.3 V to +17 V
VDD to VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +34 V
AGND to DGND (AD7237A) . . . . . . . . . –0.3 V, VDD +0.3 V
VOUTA,
2 V
OUTB
2 to AGND (GND) . . V
SS –0.3 V to VDD +0.3 V
REF OUT to AGND (GND) . . . . . . . . . . . . . . . . . 0 V to VDD
REF IN to AGND (GND) . . . . . . . . . . –0.3 V to VDD +0.3 V
Digital Inputs to DGND (GND) . . . . . . –0.3 V to VDD +0.3 V
Operating Temperature Range
Industrial (A, B Versions) . . . . . . . . . . . . . –40
°C to +85°C
Extended (T Version) . . . . . . . . . . . . . . . –55
°C to +125°C
Storage Temperature Range . . . . . . . . . . . . –65
°C to +150°C
Lead Temperature (Soldering, 10 secs) . . . . . . . . . . . . +300
°C
Power Dissipation (Any Package) to +75
°C . . . . . . . 1000 mW
Derates above +75
°C by . . . . . . . . . . . . . . . . . . . . . 10 mW/°C
NOTES
1Stresses above those listed under “Absolute Maximum Ratings” may cause
permanent damage to the device. This is a stress rating only and functional
operation of the device at these or any other conditions above those listed in the
operational sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
2Short-circuit current is typically 80 mA. The outputs may be shorted to voltages
in this range provided the power dissipation of the package is not exceeded.
ORDERING GUIDE
Relative
Temperature
Accuracy
Package
Model1
Range
(LSB)
Option2
AD7237AAN
–40
°C to +85°C
±1 max
N-24
AD7237ABN
–40
°C to +85°C
±1/2 max
N-24
AD7237AAR
–40
°C to +85°C
±1 max
R-24
AD7237ABR
–40
°C to +85°C
±1/2 max
R-24
AD7237ATQ
–55
°C to +125°C
±1/2 max
Q-24
AD7247AAN
–40
°C to +85°C
±1 max
N-24
AD7247ABN
–40
°C to +85°C
±1/2 max
N-24
AD7247AAR
–40
°C to +85°C
±1 max
R-24
AD7247ABR
–40
°C to +85°C
±1/2 max
R-24
AD7247ATQ
–55
°C to +125°C
±1/2 max
Q-24
NOTES
1To order MIL-STD-883, Class B processed parts, add /883B to part number.
Contact local sales office for military data sheet and availability.
2N = Plastic DIP; Q = Cerdip; R = Small Outline (SOIC).
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD7237A/AD7247A features proprietary ESD protection circuitry, permanent
damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper
ESD precautions are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
(VDD = +12 V to +15 V,
3 V
SS = 0 V or –12 V to –15 V,
3 AGND = DGND = 0 V [AD7237A],
GND = 0 V [AD7247A])
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| AD7247AAR | 功能描述:IC DAC 12BIT W/AMP W/BUFF 24SOIC 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 |
| 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 |
| AD7247AAR-REEL7 | 功能描述:IC DAC 12BIT W/AMP W/BUFF 24SOIC 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 |
| AD7247AARZ | 功能描述:IC DAC 12BIT W/AMP W/BUFF 24SOIC 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® 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 |
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