DAC80Z-CBI-V

更新时间： 2024-02-23 05:46:19

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
9页	214K
描述
Monolithic 12-Bit DIGITAL-TO-ANALOG CONVERTERS

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技术参数
数据手册

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DAC80Z-CBI-V 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：	5.66
转换器类型：	D/A CONVERTER	输入位码：	COMPLEMENTARY BINARY CODED DECIMAL
JESD-30 代码：	R-XDIP-T24	JESD-609代码：	e0
最大线性误差 (EL)：	0.024%	位数：	12
功能数量：	1	端子数量：	24
最高工作温度：	70 °C	最低工作温度：
封装主体材料：	CERAMIC	封装代码：	DIP
封装等效代码：	DIP24,.6	封装形状：	RECTANGULAR
封装形式：	IN-LINE	电源：	5,+-12/+-15 V
认证状态：	Not Qualified	子类别：	Other Converters
表面贴装：	NO	技术：	BIPOLAR
温度等级：	COMMERCIAL	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL	Base Number Matches：	1

DAC80Z-CBI-V 数据手册

Driving a Resistive Load Unipolar

A load resistance, R_L= R_LI+ R_LS, connected as shown in

Figure 11 will generate a voltage range, V_OUT, determined

by:

Driving a Resistive Load Bipolar

The equivalent output circuit for a bipolar output voltage

range is shown in Figure 12, R_L= R_LI+ R_LS. V_OUTis

determined by:

V_OUT= –2mA [(R_Lx R_O) ÷ (R_L+ R_O)]

_OUT= ±1mA [(R_Ox R_L) ÷ (R_O+ R_L)]

By connecting pin 17 to 15, the output current becomes

bipolar (±1mA) and the output impedance R_Obecomes

3.2kΩ (6.6kΩ in parallel with 6.3kΩ). R_LIis 1200Ω (derived

by connecting pin 15 to 18 and pin 18 to 19). By choosing

Current Controlled

by Digital Input

R_LS= 225Ω, R_L= 1455Ω. R_Lin parallel with R_Oyields 1kΩ

total load. This gives an output range of ±1V. As indicated

above, trimming may be necessary.

R_LI

0 to

–2mA

V_OUT

R_O

R_LS

–

Common

FIGURE 11. Current Output Model Equivalent Circuit

Connected for Unipolar Voltage Output with

Resistive Load.

Current Controlled

by Digital Input

R_LI

V_OUT

R_O

+1mA

The unipolar output impedance R_Oequals 6.6kΩ (typ) and

R_LIis the internal load resistance of 968Ω (derived by

connecting pin 15 to 20 and pin 18 to 19). By choosing R_LS

= 210Ω, R_L= 1178Ω. R_Lin parallel with R_Oyields 1kΩ total

load. This gives an output range of 0 to –2V. Since R_Ois not

exact, initial trimming per Figure 3 may be necessary; also

R_LSmay be trimmed.

R_LS

–

Common

FIGURE 12. Current Output Model Connected for Bipolar

Output Voltage with Resistive Load.

The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes

no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change

without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant

any BURR-BROWN product for use in life support devices and/or systems.

DAC80/80P

1...6 7 89

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