Datasheet > AD5301BRTZ-500RL7

AD5301BRTZ-500RL7

更新时间： 2024-01-01 06:57:30

品牌	Logo	应用领域
亚德诺 - ADI		光电二极管转换器
页数	文件大小	规格书
24页	473K
描述
2.5 V to 5.5 V, 120 µA, 2-Wire Interface, Voltage-Output 8-Bit DAC

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技术参数
数据手册
替代型号

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AD5301BRTZ-500RL7 技术参数

是否无铅：	含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	SOIC
包装说明：	LSSOP, TSOP6,.11,37	针数：	6
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	1.15
最大模拟输出电压：	5.499 V	最小模拟输出电压：	0.001 V
转换器类型：	D/A CONVERTER	输入位码：	BINARY
输入格式：	SERIAL	JESD-30 代码：	R-PDSO-G6
JESD-609代码：	e4	长度：	2.9 mm
最大线性误差 (EL)：	0.3906%	湿度敏感等级：	1
位数：	8	功能数量：	1
端子数量：	6	最高工作温度：	105 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	LSSOP	封装等效代码：	TSOP6,.11,37
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：	260	电源：	3/5 V
认证状态：	Not Qualified	座面最大高度：	1.45 mm
最大稳定时间：	8 µs	标称安定时间 (tstl)：	6 µs
子类别：	Other Converters	最大压摆率：	0.25 mA
标称供电电压：	3 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子面层：	Nickel/Palladium/Gold (Ni/Pd/Au)	端子形式：	GULL WING
端子节距：	0.95 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	30	宽度：	1.6 mm
Base Number Matches：	1

AD5301BRTZ-500RL7 数据手册

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AD5301/AD5311/AD5321

Data Sheet

APPLICATIONS NOTES

10kΩ

USING THE REF193/REF195 AS A POWER SUPPLY

Because the supply current required by the AD5301/AD5311/

AD5321 is extremely low, the user has an alternative option to

employ a REF195 voltage reference (for 5 V) or a REF193 voltage

reference (for 3 V) to supply the required voltage to the device

(see Figure 36).

+5V

10kΩ

±5V

+5V

AD820/

OP295

AD5301/

AD5311/

AD5321

–5V

OUT

REF195

10µF

0.1µF

150µA TYP

= 0V TO 5V

OUT

2-WIRE

SERIAL

INTERFACE

SDA

SCL

AD5301/

AD5311/

AD5321

2-WIRE SERIAL

INTERFACE

Figure 37. Bipolar Operation with the AD5301/AD5311/AD5321

The output voltage for any input code can be calculated as

Figure 36. REF195 as Power Supply to AD5301/AD5311/AD5321

_OUT= ((V_DD× (D/2^N) × R1 + R2)/R1) − V_DD× (R2/R1))

This is especially useful if the power supply is quite noisy or if

the system supply voltages are at some value other than 5 V or

3 V (for example, 15 V). The REF193/REF195 output a steady

supply voltage for the AD5301/AD5311/AD5321. If the low

dropout REF195 is used, it needs to supply a current of 150 μA

to the AD5301/AD5311/AD5321. This is with no load on the

output of the DAC. When the DAC output is loaded, the REF195

also needs to supply the current to the load.

where:

D is the decimal equivalent of the code loaded to the DAC.

N is the DAC resolution.

With V_DD= 5 V, R1 = R2 = 10 kΩ,

_OUT= (10 × D/2^N) − 5 V

MULTIPLE DEVICES ON ONE BUS

Figure 38 shows four AD5301 devices on the same serial bus.

Each has a different slave address since the state of their A0

and A1 pins is different. This allows each DAC to be written to

or read from independently. The master device output bus line

drivers are open-drain, pull-downs in a fully I²C-compatible

interface.

The total current required (with a 2 kΩ load on the DAC output

and full scale loaded to the DAC) is

150 μA + (5 V/2 kΩ) = 2.65 mA

The load regulation of the REF195 is typically 2 ppm/mA,

which results in an error of 5.3 ppm (26.5 μV) for the 2.65 mA

current drawn from it. This corresponds to a 0.00136 LSB error.

CMOS DRIVEN SCL AND SDA LINES

BIPOLAR OPERATION USING THE AD5301/

AD5311/AD5321

For single or multisupply systems where the minimum SCL

swing requirements allow it, a CMOS SCL driver may be used,

and the SCL pull-up resistor can be removed, making the SCL

bus line fully CMOS compatible. This reduces power consump-

tion in both the SCL driver and receiver devices. The SDA line

remains open-drain, I²C compatible.

The AD5301/AD5311/AD5321 has been designed for single-

supply operation, but a bipolar output range is also possible

using the circuit in Figure 37. The circuit below gives an output

voltage range of 5 V. R a i l -to-rail operation at the amplifier

output is achievable using an AD820 or an OP295 as the output

amplifier.

Further changes, in the SDA line driver, may be made to make

the system more CMOS compatible and save more power. As

the SDA line is bidirectional, it cannot be made fully CMOS

compatible. A switched pull-up resistor can be combined with

a CMOS device with an open-circuit (three-state) input such

that the CMOS SDA driver is enabled during write cycles and

I²C mode is enabled during shared cycles, that is, readback,

acknowledge bit cycles, start conditions, and stop conditions.

Rev. C | Page 18 of 24

1...15 16 171819 20 21...24

中文翻译

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AD5301BRTZ-500RL7 替代型号

型号	品牌	替代类型	描述	数据表
AD5301BRTZ-REEL7	ADI	完全替代	2-Wire Interface, Voltage-Output 8-/10-/12-Bit DACs
AD5301BRT-500RL7	ADI	完全替代	2.5 V to 5.5 V, 120 Î¼A, 2-Wire Interface, Vo

与AD5301BRTZ-500RL7相关器件

型号	品牌	获取价格	描述	数据表
AD5301BRTZ-500RL71	ADI	获取价格	2.5 V to 5.5 V, 120 Î¼A, 2-Wire Interface, Vo
AD5301BRTZ-REEL1	ADI	获取价格	2.5 V to 5.5 V, 120 Î¼A, 2-Wire Interface, Vo
AD5301BRTZ-REEL7	ROCHESTER	获取价格	SERIAL INPUT LOADING, 6 us SETTLING TIME, 8-BIT DAC, PDSO6, ROHS COMPLIANT, MO-178AB, SOT-
AD5301BRTZ-REEL7	ADI	获取价格	2-Wire Interface, Voltage-Output 8-/10-/12-Bit DACs
AD5301BRTZ-REEL71	ADI	获取价格	2.5 V to 5.5 V, 120 Î¼A, 2-Wire Interface, Vo
AD5302	ADI	获取价格	+2.5 V to +5.5 V, 230 uA Dual Rail-to-Rail, Voltage Output 8-/10-/12-Bit DACs
AD5302_11	ADI	获取价格	2.5 V to 5.5 V, 230 Î¼A, Dual Rail-to-Rail, V
AD53020	ADI	获取价格	Four Channel ECL Delay Line
AD53020JP	ADI	获取价格	IC ACTIVE DELAY LINE, COMPLEMENTARY OUTPUT, PQCC44, PLASTIC, LCC-44, Delay Line
AD5302ARM	ADI	获取价格	2.5 V to 5.5 V, 230 Î¼A, Dual Rail-to-Rail, V

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