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參數(shù)資料
| 型號： | AD7302BRU |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 14/16頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 8BIT DUAL R-R 20-TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 產(chǎn)品變化通告： | Product Discontinuance 27/Oct/2011 |
| 標(biāo)準(zhǔn)包裝： | 75 |
| 設(shè)置時間： | 1.2µs |
| 位數(shù)： | 8 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)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(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 管件 |
| 輸出數(shù)目和類型： | 2 電壓，單極；2 電壓，雙極 |
| 采樣率（每秒）： | 833k |
Typical Performance Characteristics–AD7302
SINK CURRENT – mA
V
OUT
–
mV
800
0
08
24
6
720
400
240
160
80
640
560
320
480
VDD = 5V AND 3V
INTERNAL REFERENCE
TA = +25 C
DAC LOADED WITH 00HEX
Figure 2. Output Sink Current Capa-
bility with VDD = 3 V and VDD = 5 V
REFERENCE VOLTAGE – Volts
ERROR
–
LSBs
0.5
0
1.0 1.2
2.8
1.4
1.6
1.8
2.2
2.4
2.6
2.0
0.45
0.25
0.15
0.1
0.05
0.4
0.35
0.2
0.3
VDD = 5V
TA = +25 C
INL ERROR
DNL ERROR
Figure 5. Relative Accuracy vs.
External Reference
FREQUENCY – Hz
ATTENUATION
–
dB
1
10
10k
100
1k
10
5
–40
0
–5
–10
–15
–20
–25
–30
–35
VDD = 5V
EXTERNAL SINEWAVE REFERENCE
DAC REGISTER LOADED WITH FFHEX
TA = +25°C
Figure 8. Large Scale Signal
Frequency Response
SOURCE CURRENT – mA
V
OUT
–
Volts
02
8
46
5
4.92
4.2
4.84
4.76
4.68
4.6
4.52
4.44
4.36
4.28
VDD = 5V
INTERNAL REFERENCE
DAC REGISTER LOADED
WITH FFHEX
TA = +25°C
Figure 3. Output Source Current
Capability with VDD = 5 V
–50
–25
100
TEMPERATURE – C
5.0
3.5
2.0
I DD
–
mA
4.5
4.0
3.0
2.5
INTERNAL REFERENCE
LOGIC INPUTS = VDD OR GND
BOTH DACS ACTIVE
VDD = 5.5V
VDD = 3.3V
1.5
1.0
0.5
0
255075
125
Figure 6. Typical Supply Current
vs. Temperature
T
←
VOUT
VDD = 3V
INTERNAL VOLTAGE
REFERENCE
FULL SCALE CODE
CHANGE 00H-FFH
TA = +25°C
1
←
3
←
2
←
VOUT
CH1 5V, CH2 1V, CH3 20mV
TIME BASE = 200 ns/Div
WR
Figure 9. Full-Scale Settling Time
SOURCE CURRENT – mA
3.5
1.0
01
8
23
4567
3.25
2.5
2.25
1.75
1.25
3.0
2.75
2.0
1.5
V
OUT
–
Volts
VDD = 3V
INTERNAL REFERENCE
DAC REGISTER LOADED
WITH FFHex
TA = +25°C
Figure 4. Output Source Current
Capability with VDD = 3 V
VDD – Volts
I DD
–
mA
5.0
3.0
1.0
4.0
2.5
3.0
5.5
3.5
4.0
4.5
5.0
LOGIC INPUTS = VDD OR GND
LOGIC INPUTS = VIH OR VIL
BOTH DACS ACTIVE
INTERNAL REFERENCE USED
TA = +25°C
2.0
6.0
7.0
Figure 7. Typical Supply Current
vs. Supply Voltage
PD
VOUT
AD7302 POWER-UP TIME
VDD = 5V
INTERNAL REFERENCE
DAC IN POWER-DOWN INITIALLY
1
2
CH1 = 2V/div, CH2 = 5V/Div,
TIME BASE = 2 s/Div
Figure 10. Exiting Power-Down (Full
Power-Down)
–7–
REV. 0
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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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| AD7302BRU-REEL | 制造商:Analog Devices 功能描述:DAC 2-CH 8-bit 20-Pin TSSOP T/R 制造商:Analog Devices 功能描述:DAC 2CH 8BIT 20TSSOP - Tape and Reel |
| AD7302BRU-REEL7 | 制造商:Analog Devices 功能描述:DAC 2-CH 8-bit 20-Pin TSSOP T/R |
| AD7302BRUZ | 功能描述:IC DAC 8BIT DUAL R-R 20-TSSOP 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:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 設(shè)置時間: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) |
| AD7302BRUZ | 制造商:Analog Devices 功能描述:IC 8-BIT DAC |
| AD7302BRUZ-REEL | 功能描述:IC DAC 8BIT DUAL R-R 20-TSSOP 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 設(shè)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(biāo)準(zhǔn)包裝:10,000 系列:- 設(shè)置時間:- 位數(shù):12 數(shù)據(jù)接口:DSP，MICROWIRE?，QSPI?，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:SOT-23-8 薄型，TSOT-23-8 供應(yīng)商設(shè)備封裝:TSOT-23-8 包裝:帶卷 (TR) 輸出數(shù)目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:2.7M |
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