Datasheet > DS2480B/T&R

DS2480B/T&R

更新时间： 2024-01-30 01:31:41

品牌	Logo	应用领域
美信 - MAXIM		驱动光电二极管接口集成电路驱动器
页数	文件大小	规格书
32页	478K
描述
Line Driver, 1 Func, 1 Driver, PDSO8, 0.150 INCH, SOP-8

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DS2480B/T&R 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	SOIC	包装说明：	0.150 INCH, SOP-8
针数：	8	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.4	差分输出：	NO
驱动器位数：	1	输入特性：	STANDARD
接口集成电路类型：	LINE DRIVER	接口标准：	EIA-232-C
JESD-30 代码：	R-PDSO-G8	JESD-609代码：	e0
长度：	4.9 mm	功能数量：	1
端子数量：	8	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：	SOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	峰值回流温度（摄氏度）：	245
认证状态：	Not Qualified	最大接收延迟：
座面最大高度：	1.75 mm	最大供电电压：	5.5 V
最小供电电压：	4.5 V	标称供电电压：	5 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	3.9 mm
Base Number Matches：	1

DS2480B/T&R 数据手册

DS2480B

Table 1. COMMUNICATION COMMAND CODES

BIT

FUNCTION BIT 7 BIT 6 BIT 5

BIT 4

BIT 3, BIT 2

BIT 1

00 reg. speed

01 flex. speed

10 OD. speed

11 reg. speed

00 reg. speed

01 flex. speed

10 OD. speed

11 reg. speed

00 reg. speed

01 flex. speed

0 = write 0

1 = write 1

Single Bit

See Text

Accelerator

Control

0 = accelerator off

1 = accelerator on

See Text

Reset

Pulse

(don’t care)

10 OD. speed

11 reg. speed

0 = 5V strong pullup

1 = 12V prog. pulse

11 pulse

See Text

Table 2. COMMUNICATION COMMAND RESPONSE

FUNCTION BIT 7 BIT 6 BIT 5

BIT 4

BIT 3

BIT 2

BIT 1

1-Wire read back,

BIT 0

Single Bit

same as sent

both bits same value

00 = 1-Wire shorted

01 = presence pulse

10 = alarming presence

pulse

Reset

Pulse

11 = no presence pulse

undefined

same as sent

X: This bit is reserved and undefined. In previous data sheet versions this bit was used to indicate that a

programming voltage was present.

Search Accelerator Control

The Search Accelerator Control command is used to set or reset the Search Accelerator control flag. Bit 4

of the command code contains the state to which the accelerator control flag is to be set. If the flag is set

to a 1 (on) the device translates every byte received in Data Mode into a 12-bit sequence on the 1-Wire

bus. For details on how the Search Accelerator works please refer to the section Search Accelerator

Operation. Before activating the Search Accelerator, one must make sure that the strong pullup after

every byte is disarmed (see Pulse Command). The Search Accelerator command does not generate a

command response byte.

Although the Search Accelerator Control command itself does not generate any 1-Wire activity, it can be

used to select the communication speed on the 1-Wire bus. The speed selection (if different from the

previous setting, e.g., from a Reset command) will take effect immediately.

Pulse

The Pulse command serves several functions that are selected by the contents of bit 1 and bit 4 of the

command code. The main functions are generating a strong pullup to 5V and generating 12V

programming pulses for EPROM devices (if the 12V are available at the V_PPpin). The secondary function

Maxim Integrated.............................................................................................................................................................................................7

1...4 5 678 9 10...32

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与DS2480B/T&R相关器件

型号	品牌	描述	获取价格	数据表
DS2480B+	MAXIM	Serial to 1-Wire Line Driver	获取价格
DS2480B+R	MAXIM	Serial to 1-Wire Line Driver	获取价格
DS2480B+T	MAXIM	Serial to 1-Wire Line Driver	获取价格
DS2480B+T&R	MAXIM	Line Driver, 1 Func, 1 Driver, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOP-8	获取价格
DS2480BS	DALLAS	Serial 1-Wire Line Driver with Load Sensor	获取价格
DS2480S	DALLAS	Serial 1.Wire Line Driver	获取价格

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