参数资料
| 型号： | AD9708AR |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC DAC 8BIT 100MSPS 28-SOIC |
| 产品培训模块： | Data Converter Fundamentals DAC Architectures |
| 标准包装： | 27 |
| 系列： | TxDAC® |
| 设置时间： | 35ns |
| 位数： | 8 |
| 数据接口： | 并联 |
| 转换器数目： | 1 |
| 电压电源： | 模拟和数字 |
| 功率耗散（最大）： | 175mW |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC W |
| 包装： | 管件 |
| 输出数目和类型： | 2 电流，单极；2 电流，双极 |
| 采样率（每秒）： | 125M |
| 配用： | AD9708-EBZ-ND - BOARD EVAL FOR AD9708 |
REV. B
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
AD9708
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
8-Bit, 100 MSPS+
TxDAC D/A Converter
FUNCTIONAL BLOCK DIAGRAM
+1.20V REF
REFLO
REF IO
FS ADJ
50pF
COMP1
0.1 F
CURRENT
SOURCE
ARRAY
+5V
AVDD
SEGMENTED
SWITCHES
LATCHES
DIGITAL DATA INPUTS (DB7–DB0)
DVDD
DCOM
CLOCK
SLEEP
IOUTA
IOUTB
COMP2
ACOM
0.1 F
+5V
RSET
CLOCK
0.1 F
AD9708
FEATURES
Member of Pin-Compatible TxDAC Product Family
125 MSPS Update Rate
8-Bit Resolution
Linearity: 1/4 LSB DNL
Linearity: 1/4 LSB INL
Differential Current Outputs
SINAD @ 5 MHz Output: 50 dB
Power Dissipation: 175 mW @ 5 V to 45 mW @ 3 V
Power-Down Mode: 20 mW @ 5 V
On-Chip 1.20 V Reference
Single +5 V or +3 V Supply Operation
Packages: 28-Lead SOIC and 28-Lead TSSOP
Edge-Triggered Latches
Fast Settling: 35 ns Full-Scale Settling to 0.1%
APPLICATIONS
Communications
Signal Reconstruction
Instrumentation
PRODUCT DESCRIPTION
The AD9708 is the 8-bit resolution member of the TxDAC
series of high performance, low power CMOS digital-to-analog
converters (DACs). The TxDAC family, which consists of pin
compatible 8-, 10-, 12-, and 14-bit DACs, was specifically opti-
mized for the transmit signal path of communication systems. All
of the devices share the same interface options, small outline
package and pinout, thus providing an upward or downward
component selection path based on performance, resolution and
cost. The AD9708 offers exceptional ac and dc performance
while supporting update rates up to 125 MSPS.
The AD9708’s flexible single-supply operating range of +2.7 V
to +5.5 V and low power dissipation are well suited for portable
and low power applications. Its power dissipation can be
further reduced to 45 mW, without a significant degradation in
performance, by lowering the full-scale current output. In addi-
tion, a power-down mode reduces the standby power dissipa-
tion to approximately 20 mW.
The AD9708 is manufactured on an advanced CMOS process.
A segmented current source architecture is combined with a
proprietary switching technique to reduce spurious components
and enhance dynamic performance. Edge-triggered input latches
and a temperature compensated bandgap reference have been inte-
grated to provide a complete monolithic DAC solution. Flexible
supply options support +3 V and +5 V CMOS logic families.
The AD9708 is a current-output DAC with a nominal full-scale
output current of 20 mA and > 100 k
output impedance.
TxDAC is a registered trademark of Analog Devices, Inc.
Differential current outputs are provided to support single-
ended or differential applications. The current outputs may be
directly tied to an output resistor to provide two complemen-
tary, single-ended voltage outputs. The output voltage compliance
range is 1.25 V.
The AD9708 contains a 1.2 V on-chip reference and reference
control amplifier, which allows the full-scale output current to
be simply set by a single resistor. The AD9708 can be driven by
a variety of external reference voltages. The AD9708’s full-scale
current can be adjusted over a 2 mA to 20 mA range without
any degradation in dynamic performance. Thus, the AD9708
may operate at reduced power levels or be adjusted over a 20 dB
range to provide additional gain ranging capabilities.
The AD9708 is available in 28-lead SOIC and 28-lead TSSOP
packages. It is specified for operation over the industrial tem-
perature range.
PRODUCT HIGHLIGHTS
1. The AD9708 is a member of the TxDAC product family, which
provides an upward or downward component selection path
based on resolution (8 to 14 bits), performance and cost.
2. Manufactured on a CMOS process, the AD9708 uses a pro-
prietary switching technique that enhances dynamic perfor-
mance well beyond 8- and 10-bit video DACs.
3. On-chip, edge-triggered input CMOS latches readily interface
to +3 V and +5 V CMOS logic families. The AD9708 can
support update rates up to 125 MSPS.
4. A flexible single-supply operating range of +2.7 V to +5.5 V
and a wide full-scale current adjustment span of 2 mA to
20 mA allows the AD9708 to operate at reduced power levels
(i.e., 45 mW) without any degradation in dynamic performance.
5. A temperature compensated, 1.20 V bandgap reference is
included on-chip providing a complete DAC solution. An
external reference may be used.
6. The current output(s) of the AD9708 can easily be config-
ured for various single-ended or differential applications.
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相关代理商/技术参数 |
参数描述 |
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| AD9708ARRL | 制造商:Analog Devices 功能描述:DAC 1-CH Segment 8-bit 28-Pin SOIC W T/R 制造商:Rochester Electronics LLC 功能描述:8 BIT 125 MSPS+ TXDAC D/A CONVERTER - Tape and Reel |
| AD9708ARU | 功能描述:IC DAC 8BIT 100MSPS 28-TSSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:TxDAC® 标准包装:47 系列:- 设置时间:2µs 位数:14 数据接口:并联 转换器数目:1 电压电源:单电源 功率耗散（最大）:55µW 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:28-SSOP（0.209"，5.30mm 宽） 供应商设备封装:28-SSOP 包装:管件 输出数目和类型:1 电流，单极；1 电流，双极 采样率（每秒）:* |
| AD9708ARURL | 功能描述:INTEGRATED CIRCUIT 制造商:analog devices inc. 系列:* 包装:带卷（TR） 零件状态:最後搶購 封装/外壳:28-TSSOP（0.173"，4.40mm 宽） 供应商器件封装:28-TSSOP 标准包装:1 |
| AD9708ARURL7 | 功能描述:IC DAC 8BIT 100MSPS 28-TSSOP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:TxDAC® 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）:* |
| AD9708ARUZ | 功能描述:IC DAC 8BIT 100MSPS 28-TSSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:TxDAC® 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) |
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