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參數資料
| 型號： | AD5321BRTZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/24頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 12BIT 2WIRE I2C SOT23-6 |
| 產品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 標準包裝： | 3,000 |
| 設置時間： | 8µs |
| 位數： | 12 |
| 數據接口： | I²C，串行 |
| 轉換器數目： | 1 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 1.4mW |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-6 |
| 供應商設備封裝： | SOT-23-6 |
| 包裝： | 帶卷 (TR) |
| 輸出數目和類型： | 1 電壓，單極；1 電壓，雙極 |
| 采樣率（每秒）： | 125k |
2.5 V to 5.5 V, 120 μA, 2-Wire Interface,
Voltage-Output 8-/10-/12-Bit DACs
AD5301/AD5311/AD5321
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
1999–2007 Analog Devices, Inc. All rights reserved.
FEATURES
AD5301: buffered voltage output 8-bit DAC
AD5311: buffered voltage output 10-bit DAC
AD5321: buffered voltage output 12-bit DAC
6-lead SOT-23 and 8-lead MSOP packages
Micropower operation: 120 μA @ 3 V
2-wire (I2C-compatible) serial interface
Data readback capability
2.5 V to 5.5 V power supply
Guaranteed monotonic by design over all codes
Power-down to 50 nA @ 3 V
Reference derived from power supply
Power-on reset to 0 V
On-chip rail-to-rail output buffer amplifier
3 power-down functions
APPLICATIONS
Portable battery-powered instruments
Digital gain and offset adjustment
Programmable voltage and current sources
Programmable attenuators
GENERAL DESCRIPTION
The AD5301/AD5311/AD53211 are single 8-/10-/12-bit, buff-
ered, voltage-output DACs that operate from a single 2.5 V to
5.5 V supply, consuming 120 μA at 3 V. The on-chip output
amplifier allows rail-to-rail output swing with a slew rate of
0.7 V/μs. It uses a 2-wire (I2C-compatible) serial interface that
operates at clock rates up to 400 kHz. Multiple devices can share
the same bus.
The reference for the DAC is derived from the power supply
inputs and thus gives the widest dynamic output range. These
parts incorporate a power-on reset circuit, which ensures that
the DAC output powers up to 0 V and remains there until a
valid write takes place. The parts contain a power-down feature
that reduces the current consumption of the device to 50 nA at
3 V and provides software-selectable output loads while in
power-down mode.
The low power consumption in normal operation makes these
DACs ideally suited to portable battery-operated equipment. The
power consumption is 0.75 mW at 5 V and 0.36 mW at 3 V,
reducing to 1 μW in all power-down modes.
1 Protected by U.S. Patent No. 5684481.
FUNCTIONAL BLOCK DIAGRAM
RESISTOR
NETWORK
BUFFER
DAC
REGISTER
POWER-DOWN
LOGIC
AD5301/AD5311/AD5321
VDD
SCL
A0
GND
A1*
REF
POWER-ON
RESET
PD*
SDA
*AVAILABLE ON 8-LEAD VERSION ONLY
INTERFACE
LOGIC
8-/10-/12-BIT
DAC
VOUT
00
92
7-
0
01
Figure 1.
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相關代理商/技術參數 |
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| AD5321BRTZ-REEL71 | 制造商:AD 制造商全稱:Analog Devices 功能描述:2.5 V to 5.5 V, 120 ??A, 2-Wire Interface, Voltage-Output 8-/10-/12-Bit DACs |
| AD5322 | 制造商:AD 制造商全稱:Analog Devices 功能描述:2.5 V to 5.5 V, 500 uA, Parallel Interface Quad Voltage-Output 8-/10-/12-Bit DACs |
| AD5322ARM | 功能描述:IC DAC 12BIT DUAL R-R 10-MSOP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 標準包裝:47 系列:- 設置時間:2µs 位數:14 數據接口:并聯 轉換器數目:1 電壓電源:單電源 功率耗散（最大）:55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:管件 輸出數目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:* |
| AD5322ARM-REEL7 | 功能描述:IC DAC 12BIT DUAL R-R 10-MSOP TR RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:LTC263x 12-, 10-, and 8-Bit VOUT DAC Family 特色產品:LTC2636 - Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference 標準包裝:91 系列:- 設置時間:4µs 位數:10 數據接口:MICROWIRE?，串行，SPI? 轉換器數目:8 電壓電源:單電源 功率耗散（最大）:2.7mW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應商設備封裝:14-DFN-EP（4x3） 包裝:管件 輸出數目和類型:8 電壓，單極 采樣率（每秒）:* |
| AD5322ARMZ | 功能描述:IC DAC 12BIT DUAL R-R 10MSOP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 標準包裝:47 系列:- 設置時間:2µs 位數:14 數據接口:并聯 轉換器數目:1 電壓電源:單電源 功率耗散（最大）:55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:管件 輸出數目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:* |
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