Datasheet > DAC1003D160HW/C1,5

DAC1003D160HW/C1,5

更新时间： 2024-02-15 00:42:55

品牌	Logo	应用领域
恩智浦 - NXP		转换器
页数	文件大小	规格书
19页	103K
描述
IC 10-BIT DAC, PQFP80, 12 X 12 MM, 1 MM HEIGHT, PLASTIC, MS-026, SOT841-1, HTQFP-80, Digital to Analog Converter

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DAC1003D160HW/C1,5 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	QFP	包装说明：	QFP, TQFP80,.55SQ
针数：	80	Reach Compliance Code：	unknown
HTS代码：	8542.39.00.01	风险等级：	5.8
转换器类型：	D/A CONVERTER	JESD-30 代码：	S-PQFP-G80
位数：	10	功能数量：	2
端子数量：	80	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	QFP	封装等效代码：	TQFP80,.55SQ
封装形状：	SQUARE	封装形式：	FLATPACK
电源：	3.3 V	认证状态：	Not Qualified
子类别：	Other Converters	最大压摆率：	85 mA
标称供电电压：	3.3 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	QUAD
Base Number Matches：	1

DAC1003D160HW/C1,5 数据手册

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DAC1003D160

NXP Semiconductors

Dual 10 bits DAC, up to 160 MHz, 2 x interpolation

7. Functional description

The DAC1003D160 is a segmented architecture composed of a 7-bit thermometer

sub-DAC and the remaining 3-bit in a binary weighted sub-DAC.

The device produces two complementary current outputs on both channels, respectively

pins IOUT/IOUTN and QOUT/QOUTN which need to be connected via a load resistor to

the ground.

Figure 3 shows the equivalent analog output circuit of one DAC, which consists of a

parallel combination of PMOS current sources and associated switches for each segment.

The cascade source conﬁguration enables the increase of the output impedance of the

source and the improvement of the dynamic performance of the DAC by introducing less

distortion.

Figure 4 shows the internal reference conﬁguration. In this case the bias current is given

by the output of the internal regulator connected to the inverting input of the internal

operational ampliﬁers, while external resistors R_Iand R_Qare connected respectively to

pins IVIRES and QVIRES. Thus the output current of the two DACs is typically ﬁxed to

20 mA with an appropriate choice of these resistors. This conﬁguration is optimal for

temperature drift compensation because the band gap can be matched with the voltage

on the feedback resistors.

The relation between full-scale output current I_O(fs)and the R_I(R_Q) is:

2048 × V

R_I=

^GAPOUTΩ

-----------------------------------------

82 × I_O(FS)

The output current can also be adjusted by imposing an external reference voltage to the

inverting input pin GAPOUT and disabling the internal band gap with pin GAPD set to

HIGH. At a voltage lower than 1.2 V the current can be set at values lower than 20 mA.

The input references at pins IVIRES and QVIRES may also be driven by separate

reference voltages to adjust independently the two DAC currents.

DAC1003D160

GAPD

INTERNAL

BAND GAP

AGND

GAPOUT

I DAC current

sources array

IVIRES

DAC1003D160

IOUT/QOUT

IOUTN/QOUTN

Q DAC current

sources array

QVIRES

AGND AGND

014aaa537

014aaa538

Fig 3. Equivalent analog output circuit

Fig 4. Internal reference conﬁguration

DAC1003D160_2

Product data sheet

Rev. 02 — 13 August 2008

6 of 19

1...3 4 567 8 9...19

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与DAC1003D160HW/C1,5相关器件

型号	品牌	描述	获取价格	数据表
DAC1003D160HW/C1:1	NXP	IC 10-BIT DAC, PQFP80, 12 X 12 MM, 1 MM HEIGHT, PLASTIC, MS-026, SOT841-1, HTQFP-80, Digit	获取价格
DAC1003D160HW/C1-T	IDT	IC,D/A CONVERTER,DUAL,10-BIT,TQFP,80PIN	获取价格
DAC1005D650	NXP	Dual 10-bit DAC, up to 650 Msps; 2´ 4´ and 8´	获取价格
DAC1005D650HW/C1	NXP	Dual 10-bit DAC, up to 650 Msps; 2´ 4´ and 8´	获取价格
DAC1005D750HW	NXP	IC PARALLEL, WORD INPUT LOADING, 0.02 us SETTLING TIME, 10-BIT DAC, PQFP100, 14 X 14 MM, 1	获取价格
DAC1006	NSC	レP Compatible, Double-Buffered D to A Convert	获取价格

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