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参数资料
| 型号： | AD5312BRM |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | DAC |
| 英文描述： | +2.5 V to +5.5 V, 230 uA Dual Rail-to-Rail, Voltage Output 8-/10-/12-Bit DACs |
| 中文描述： | SERIAL INPUT LOADING, 7 us SETTLING TIME, 10-BIT DAC, PDSO10 |
| 封装： | MO-187BA, MSOP-10 |
| 文件页数： | 1/16页 |
| 文件大小： | 207K |
| 代理商： | AD5312BRM |
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
AD5302/AD5312/AD5322*
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 1999
+2.5 V to +5.5 V, 230
m
A Dual Rail-to-Rail,
Voltage Output 8-/10-/12-Bit DACs
FUNCTIONAL BLOCK DIAGRAM
BUFFER
RESISTOR
NETWORK
POWER-DOWN
LOGIC
RESISTOR
NETWORK
BUFFER
STRING
DAC
STRING
DAC
AD5302/AD5312/AD5322
V
OUT
A
V
OUT
B
V
DD
V
REF
A
V
REF
B
INPUT
REGISTER
INPUT
REGISTER
DAC
REGISTER
DAC
REGISTER
INTERFACE
LOGIC
SYNC
SCLK
DIN
LDAC
GND
POWER-ON
RESET
FEATURES
AD5302: Two 8-Bit Buffered DACs in One Package
AD5312: Two 10-Bit Buffered DACs in One Package
AD5322: Two 12-Bit Buffered DACs in One Package
10-Lead
m
SOIC Package
Micropower Operation: 300
m
A @ 5 V (Including
Reference Current)
Power-Down to 200 nA @ 5 V, 50 nA @ 3 V
+2.5 V to +5.5 V Power Supply
Double-Buffered Input Logic
Guaranteed Monotonic By Design Over All Codes
Buffered/Unbuffered Reference Input Options
0–V
REF
Output Voltage
Power-On-Reset to Zero Volts
Simultaneous Update of DAC Outputs via
LDAC
Low Power Serial Interface with Schmitt-Triggered
Inputs
On-Chip Rail-to-Rail Output Buffer Amplifiers
APPLICATIONS
Portable Battery-Powered Instruments
Digital Gain and Offset Adjustment
Programmable Voltage and Current Sources
Programmable Attenuators
GENERAL DESCRIPTION
The AD5302/AD5312/AD5322 are dual 8-, 10- and 12-bit buff-
ered voltage output DACs in a 10-lead
μ
SOIC package that
operate from a single +2.5 V to +5.5 V supply consuming
230
μ
A at 3 V. Their on-chip output amplifiers allow the outputs
to swing rail-to-rail with a slew rate of 0.7 V/
μ
s. The AD5302/
AD5312/AD5322 utilize a versatile 3-wire serial interface which
operates at clock rates up to 30 MHz and is compatible with
standard SPI, QSPI, MICROWIRE and DSP interface
standards.
The references for the two DACs are derived from two reference
pins (one per DAC). The reference inputs may be configured as
buffered or unbuffered inputs. The outputs of both DACs may
be updated simultaneously using the asynchronous
LDAC
in-
put. The parts incorporate a power-on-reset circuit that ensures
that the DAC outputs power-up to 0 V and remain there until a
valid write takes place to the device. The parts contain a power-
down feature that reduces the current consumption of the
devices to 200 nA at 5 V (50 nA at 3 V) and provides software-
selectable output loads while in power-down mode.
The low power consumption of these parts in normal operation
make them ideally suited to portable battery operated equip-
ment. The power consumption is 1.5 mW at 5 V, 0.7 mW at
3 V, reducing to 1
μ
W in power-down mode.
*Patent Pending; protected by U.S. Patent No. 5684481.
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corporation.
相关PDF资料 |
PDF描述 |
|---|---|
| AD5302 | +2.5 V to +5.5 V, 230 uA Dual Rail-to-Rail, Voltage Output 8-/10-/12-Bit DACs |
| AD5322 | 12-bit, 170 MSPS ADC with User selectable DDR LVDS or Parallel CMOS outputs 48-VQFN -40 to 85 |
| AD5322BRM | 12-bit, 210MSPS ADC with DDR LVDS/CMOS outputs 48-VQFN -40 to 85 |
| AD5302BRM | +2.5 V to +5.5 V, 230 uA Dual Rail-to-Rail, Voltage Output 8-/10-/12-Bit DACs |
| AD5312 | Dual Rail-To-Rail,Voltage Output 10-Bit DACs(满幅度电压输出双10位D/A转换器) |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AD5312BRM-REEL | 功能描述:IC DAC 10BIT DUAL W/BUFF 10-MSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 标准包装:2,400 系列:- 设置时间:- 位数:18 数据接口:串行 转换器数目:3 电压电源:模拟和数字 功率耗散（最大）:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:36-TFBGA 供应商设备封装:36-TFBGA 包装:带卷 (TR) 输出数目和类型:* 采样率（每秒）:* |
| AD5312BRM-REEL7 | 功能描述:IC DAC 10BIT DUAL W/BUFF 10-MSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:LTC263x 12-, 10-, and 8-Bit VOUT DAC Family 特色产品:LTC2636 - Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference 标准包装:91 系列:- 设置时间:4µs 位数:10 数据接口:MICROWIRE?，串行，SPI? 转换器数目:8 电压电源:单电源 功率耗散（最大）:2.7mW 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-DFN-EP（4x3） 包装:管件 输出数目和类型:8 电压，单极 采样率（每秒）:* |
| AD5312BRMZ | 功能描述:IC DAC 10BIT DUAL R-R 10-MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 设置时间:4µs 位数:12 数据接口:串行 转换器数目:2 电压电源:单电源 功率耗散（最大）:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-uMAX 包装:管件 输出数目和类型:2 电压，单极 采样率（每秒）:* 产品目录页面:1398 (CN2011-ZH PDF) |
| AD5312BRMZ-REEL | 功能描述:IC DAC 10BIT DUAL R-R 10-MSOP TR RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:LTC263x 12-, 10-, and 8-Bit VOUT DAC Family 特色产品:LTC2636 - Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference 标准包装:91 系列:- 设置时间:4µs 位数:10 数据接口:MICROWIRE?，串行，SPI? 转换器数目:8 电压电源:单电源 功率耗散（最大）:2.7mW 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-DFN-EP（4x3） 包装:管件 输出数目和类型:8 电压，单极 采样率（每秒）:* |
| AD5312BRMZ-REEL7 | 功能描述:IC DAC 10BIT DUAL R-R 10-MSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 产品培训模块:LTC263x 12-, 10-, and 8-Bit VOUT DAC Family 特色产品:LTC2636 - Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference 标准包装:91 系列:- 设置时间:4µs 位数:10 数据接口:MICROWIRE?，串行，SPI? 转换器数目:8 电压电源:单电源 功率耗散（最大）:2.7mW 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-DFN-EP（4x3） 包装:管件 输出数目和类型:8 电压，单极 采样率（每秒）:* |
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