AD668J

更新时间： 2024-01-22 02:23:48

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
16页	603K
描述
12-Bit Ultrahigh Speed Multiplying D/A Converter

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技术参数
数据手册

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AD668J 技术参数

生命周期：	Active	零件包装代码：	DIP
包装说明：	DIP,	针数：	24
Reach Compliance Code：	unknown	风险等级：	5.73
最大模拟输出电压：	0.512 V	最小模拟输出电压：	-0.512 V
转换器类型：	D/A CONVERTER	输入位码：	BINARY, OFFSET BINARY
输入格式：	PARALLEL, WORD	JESD-30 代码：	R-GDIP-T24
最大线性误差 (EL)：	0.0183%	标称负供电电压：	-15 V
位数：	12	功能数量：	1
端子数量：	24	最高工作温度：	125 °C
最低工作温度：	-55 °C	封装主体材料：	CERAMIC, GLASS-SEALED
封装代码：	DIP	封装形状：	RECTANGULAR
封装形式：	IN-LINE	认证状态：	COMMERCIAL
座面最大高度：	5.08 mm	标称安定时间 (tstl)：	0.12 µs
标称供电电压：	15 V	表面贴装：	NO
技术：	BIPOLAR	温度等级：	MILITARY
端子面层：	NOT SPECIFIED	端子形式：	THROUGH-HOLE
端子节距：	2.54 mm	端子位置：	DUAL
宽度：	7.62 mm	Base Number Matches：	1

AD668J 数据手册

12-Bit Ultrahigh Speed

Multiplying D/A Converter

AD668

FUNCTIONAL BLOCK DIAGRAM

FEATURES

Ultrahigh Speed: Current Settling to 1 LSB in 90 ns for

a Full-Scale Change in Digital Input. Voltage Settling

to 1 LSB in 120 ns for a Full-Scale Change in Analog

Input

15 MHz Reference Bandwidth

Monotonicity Guaranteed over Temperature

10.24 mA Current Output or 1.024 V Voltage Output

Integral and Differential Linearity Guaranteed over

Temperature

0.3" “Skinny DIP” Packaging

MIL-STD-883 Compliant Versions Available

PRODUCT DESCRIPTION

The AD668 is available in four performance grades. The

AD668JQ and KQ are specified for operation from 0°C to

+70°C, the AD668AQ is specified for operation from –40°C to

+85°C, and the AD668SQ specified for operation from –55°C

to +125°C. All grades are available in a 24-pin cerdip (0.3"

package.

The AD668 is an ultrahigh speed, 12-bit, multiplying digital-to-

analog converter, providing outstanding accuracy and speed per-

formance in responding to both analog and digital inputs. The

AD668 provides a level of performance and functionality in a

monolithic device that exceeds that of many contemporary hy-

brid devices. The part is fabricated using Analog Devices’

Complementary Bipolar (CB) Process, which features vertical

NPN and PNP devices on the same chip without the use of

dielectric isolation. The AD668’s design capitalizes on this pro-

prietary process in combination with standard low impedance

circuit techniques to provide its unique combination of speed

and accuracy in a monolithic part.

PRODUCT HIGHLIGHTS

1. The fast settling time of the AD668 provides suitable perfor-

mance for waveform generation, graphics display, and high

speed A/D conversion applications.

2. The high bandwidth reference channel allows high frequency

modulation between analog and digital inputs.

The wideband reference input is buffered by a high gain, closed

loop reference amplifier. The reference input is essentially a 1 V,

high impedance input, but trimmed resistive dividers are pro-

vided to readily accommodate 5 V and 1.25 V references. The

reference amplifier features an effective small signal bandwidth

of 15 MHz and an effective slew rate of 3% of full scale/ns.

3. The AD668’s design is configured to allow wide variation of

the analog input, from 10% to 120% of its nominal value.

4. The AD668’s combination of high performance and tremen-

dous flexibility makes it an ideal building block for a variety

of high speed, high accuracy instrumentation applications.

5. The digital inputs are readily compatible with both TTL and

5 V CMOS logic families.

Multiple matched current sources and thin film ladder tech-

niques are combined to produce bit weighting. The output range

can nominally be taken as a 10.24 mA current output or a 1.024 V

voltage output. Varying the analog input can provide modulation

of the DAC full scale from 10% to 120% of its nominal value.

Bipolar outputs can be realized through pin-strapping to provide

two-quadrant operation without additional external circuitry.

6. Skinny DIP (0.3") packaging minimizes board space require-

ments and eases layout considerations.

7. The AD668 is available in versions compliant with MIL-

STD-883. Refer to the Analog Devices Military Products

Databook or current AD668/883B data sheet for detailed

specifications.

Laser wafer trimming insures full 12-bit linearity and excellent

gain accuracy. All grades of the AD668 are guaranteed mono-

tonic over their full operating temperature range. Furthermore,

the output resistance of the DAC is trimmed to 100 Ω ± 1.0%.

REV. A

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.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 617/329-4700

Fax: 617/326-8703

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与AD668J相关器件

型号	品牌	获取价格	描述	数据表
AD668JQ	ADI	获取价格	12-Bit Ultrahigh Speed Multiplying D/A Converter
AD668K	ADI	获取价格	12-Bit Ultrahigh Speed Multiplying D/A Converter
AD668KQ	ADI	获取价格	12-Bit Ultrahigh Speed Multiplying D/A Converter
AD668S	ADI	获取价格	12-Bit Ultrahigh Speed Multiplying D/A Converter
AD668SQ	ADI	获取价格	12-Bit Ultrahigh Speed Multiplying D/A Converter
AD668SQ/883B	ETC	获取价格	12-Bit Digital-to-Analog Converter
AD669	ADI	获取价格	Monolithic 16-Bit DACPORT
AD669/883B	ADI	获取价格	Monolithic 16-Bit DACPORT
AD669883B	ADI	获取价格	Monolithic 16-Bit DACPORT
AD669AN	ADI	获取价格	Monolithic 16-Bit DACPORT

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