DAC703KH-BI

更新时间： 2024-02-07 00:32:48

品牌	Logo	应用领域
BB		转换器数模转换器
页数	文件大小	规格书
12页	302K
描述
Monolithic 16-Bit DIGITAL-TO-ANALOG CONVERTERS

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技术参数
数据手册

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DAC703KH-BI 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
Reach Compliance Code：	unknown	风险等级：	5.62
转换器类型：	D/A CONVERTER	输入位码：	COMPLEMENTARY OFFSET BINARY
JESD-30 代码：	S-XQCC-N28	JESD-609代码：	e0
最大线性误差 (EL)：	0.006%	位数：	16
功能数量：	1	端子数量：	28
最高工作温度：	125 °C	最低工作温度：	-55 °C
封装主体材料：	CERAMIC	封装代码：	QCCN
封装等效代码：	LCC28,.45SQ	封装形状：	SQUARE
封装形式：	CHIP CARRIER	电源：	5,+-15 V
认证状态：	Not Qualified	最大稳定时间：	8 µs
子类别：	Other Converters	最大压摆率：	68 mA
表面贴装：	YES	技术：	HYBRID
温度等级：	MILITARY	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	NO LEAD	端子节距：	1.27 mm
端子位置：	QUAD	Base Number Matches：	1

DAC703KH-BI 数据手册

APPLICATIONS

R_F

DRIVING AN EXTERNAL OP AMP

WITH CURRENT OUTPUT D/AS

5kΩ

I_OUT

DAC702 is current output devices and will drive the sum-

ming junction of an op amp to produce an output voltage as

shown in Figure 9. Use of the internal feedback resistor is

required to obtain specified gain accuracy and low gain drift.

0 to

2mA

4kΩ

V_OUT

Common

DAC702 can be scaled for any desired voltage range with an

external feedback resistor, but at the expense of increased

drifts of up to ±50ppm/°C. The resistors in the DAC702 ratio

track to ±1ppm/°C but their absolute TCR may be as high as

±50ppm/°C.

FIGURE 9. External Op Amp Using Internal Feedback

Resistors.

An alternative method of scaling the output voltage of the

D/A converter and preserving the low gain drift is shown in

Figure 10.

R_F

5kΩ

I_OUT

R₁*

0 to

2mA

V_OUT

OUTPUTS LARGER THAN 20V RANGE

4kΩ

R₂*

Common

For output voltage ranges larger than ±10V, a high voltage

op amp may be employed with an external feedback resistor.

Use I_OUTvalues of ±1mA for bipolar voltage ranges and

–2mA for unipolar voltage ranges (see Figure 11). Use

protection diodes as shown when a high voltage op amp is

used.

* R₁, R₂TCR < ±10ppm/°C

FIGURE 10. External Op Amp Using Internal and External

Feedback Resistors to Maintain Low Gain Drift.

R_F

BB3584

0 to

2mA

4kΩ

V_OUT

FIGURE 11. External Op Amp Using External Feedback

Resistors.

DAC701, 702, 703

1...7 8 91011 12

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