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參數資料
| 型號： | AD5346BRU-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/24頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 8BIT OCTAL VOUT 38-TSSOP |
| 產品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 標準包裝： | 1,000 |
| 設置時間： | 6µs |
| 位數： | 8 |
| 數據接口： | 并聯 |
| 轉換器數目： | 8 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 8.3mW |
| 工作溫度： | -40°C ~ 105°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 38-TFSOP（0.173"，4.40mm 寬） |
| 供應商設備封裝： | 38-TSSOP |
| 包裝： | 帶卷 (TR) |
| 輸出數目和類型： | 8 電壓，單極；8 電壓，雙極 |
| 采樣率（每秒）： | 167k |
2.5 V to 5.5 V, Parallel Interface
Octal Voltage Output 8-/10-/12-Bit DACs
AD5346/AD5347/AD5348
Rev. 0
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 that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.326.8703
2003 Analog Devices, Inc. All rights reserved.
FEATURES
AD5346: octal 8-bit DAC
AD5347: octal 10-bit DAC
AD5348: octal 12-bit DAC
Low power operation: 1.4 mA (max) @ 3.6 V
Power-down to 120 nA @ 3 V, 400 nA @ 5 V
Guaranteed monotonic by design over all codes
Rail-to-rail output range: 0 V to VREF or 0 V to 2 × VREF
Power-on reset to 0 V
Simultaneous update of DAC outputs via LDAC pin
Asynchronous CLR facility
Readback
Buffered/unbuffered reference inputs
20 ns WR time
38-lead TSSOP/6 mm × 6 mm 40-lead LFCSP packaging
Temperature range: –40°C to +105°C
APPLICATIONS
Portable battery-powered instruments
Digital gain and offset adjustment
Programmable voltage and current sources
Optical networking
Automatic test equipment
Mobile communications
Programmable attenuators
Industrial process control
GENERAL DESCRIPTION
The AD5346/AD5347/AD53481 are octal 8-, 10-, and 12-bit
DACs, operating from a 2.5 V to 5.5 V supply. These devices
incorporate an on-chip output buffer that can drive the output
to both supply rails, and also allow a choice of buffered or
unbuffered reference input.
The AD5346/AD5347/AD5348 have a parallel interface. CS
selects the device and data is loaded into the input registers on
the rising edge of WR. A readback feature allows the internal
DAC registers to be read back through the digital port.
The GAIN pin on these devices allows the output range to be
set at 0 V to VREF or 0 V to 2 × VREF.
Input data to the DACs is double-buffered, allowing simultane-
ous update of multiple DACs in a system using the LDAC pin.
An asynchronous CLR input is also provided, which resets the
contents of the input register and the DAC register to all zeros.
These devices also incorporate a power-on reset circuit that
ensures that the DAC output powers on to 0 V and remains
there until valid data is written to the device.
All three parts are pin compatible, which allows users to select
the amount of resolution appropriate for their application
without redesigning their circuit board.
FUNCTIONAL BLOCK DIAGRAM
INPUT
REGISTER
DAC
REGISTER
STRING
DAC C
STRING
DAC A
STRING
DAC B
STRING
DAC D
STRING
DAC E
STRING
DAC F
STRING
DAC G
STRING
DAC H
DGND
VOUTB
VOUTC
VOUTD
VOUTE
VOUTG
VOUTH
VOUTF
VDD
POWER-ON
RESET
VOUTA
VREFEF
VREFAB
PD
INTER-
FACE
LOGIC
GAIN
DB11
DB0
CS
WR
A0
A1
CLR
LDAC
.
BUF
A2
RD
VREFGH
VREFCD
AGND
BUFFER
INPUT
REGISTER
INPUT
REGISTER
INPUT
REGISTER
INPUT
REGISTER
INPUT
REGISTER
INPUT
REGISTER
INPUT
REGISTER
DAC
REGISTER
DAC
REGISTER
DAC
REGISTER
DAC
REGISTER
DAC
REGISTER
DAC
REGISTER
DAC
REGISTER
AD5348
POWER-DOWN
LOGIC
03331-
0-
001
Figure 1.
1Protected by U.S. Patent No. 5,969,657.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD5346BRUZ | 功能描述:IC DAC 8BIT OCTAL VOUT 38TSSOP RoHS:是 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）:* |
| AD5346BRUZ | 制造商:Analog Devices 功能描述:IC 8BIT DAC SERIAL I/F OCTAL 5346 |
| AD5346BRUZ-REEL7 | 功能描述:IC DAC 8BIT OCTAL VOUT 38TSSOP 制造商:analog devices inc. 系列:- 包裝:帶卷（TR） 零件狀態:在售 位數:8 數模轉換器數:8 建立時間:8μs 輸出類型:Voltage - Buffered 差分輸出:無 數據接口:并聯 參考類型:外部 電壓 - 電源，模擬:2.5 V ~ 5.5 V 電壓 - 電源，數字:2.5 V ~ 5.5 V INL/DNL（LSB）:±0.15，±0.02 架構:電阻串 DAC 工作溫度:-40°C ~ 105°C 封裝/外殼:38-TFSOP（0.173"，4.40mm 寬） 供應商器件封裝:38-TSSOP 標準包裝:1,000 |
| AD5346BRUZRUZ | 制造商:Analog Devices 功能描述:DAC,AD5346B 8bit 8us octal TSSOP |
| AD5347 | 制造商:AD 制造商全稱:Analog Devices 功能描述:2.5 V to 5.5 V, Parallel Interface 2.5 V to 5.5 V, Parallel Interface |
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