Datasheet > ISO7240CF-Q1

ISO7240CF-Q1

更新时间： 2024-09-13 11:58:03

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
27页	826K
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HIGH-SPEED QUAD DIGITAL ISOLATORS

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ISO7240CF-Q1 数据手册

ISO7240CF-Q1, ISO7240C-Q1

ISO7241C-Q1, ISO7242C-Q1

www.ti.com

SLLSE40A –SEPTEMBER 2010–REVISED SEPTEMBER 2011

HIGH-SPEED QUAD DIGITAL ISOLATORS

Check for Samples: ISO7240CF-Q1, ISO7241C-Q1

FEATURES

•

Qualified for Automotive Applications

•

4 kV ESD Protection

Selectable Failsafe Output (ISO7240CF)

25 and 150-Mbps Signaling Rate Options

Operate With 3.3-V or 5-V Supplies

High Electromagnetic Immunity

(see application report SLLA181)

–

Low Channel-to-Channel Output Skew;

1 ns Max

•

–40°C to 125°C Operating Range

Low Pulse-Width Distortion (PWD);

2 ns Max

Low Jitter Content; 1 ns Typ at 150 Mbps

•

Typical 25-Year Life at Rated Working Voltage

(see application note SLLA197 and Figure 17)

4000-V_peakIsolation, 560-V_peakV_IORM

–

UL 1577 , IEC 60747-5-2 (VDE 0884, Rev 2),

IEC 61010-1, IEC 60950-1 and CSA

Approved

DESCRIPTION

The ISO7240, ISO7241 and ISO7242 are quad-channel digital isolators with multiple channel configurations and

output enable functions. These devices have logic input and output buffers separated by TI’s silicon dioxide

(SiO₂) isolation barrier. Used in conjunction with isolated power supplies, these devices block high voltage,

isolate grounds, and prevent noise currents from entering the local ground and interfering with or damaging

sensitive circuitry.

The ISO7240 has all four channels in the same direction while the ISO7241 has three channels the same

direction and one channel in opposition. The ISO7242 has two channels in each direction.

The C option devices have TTL input thresholds and a noise-filter at the input that prevents transient pulses from

being passed to the output of the device. The M option devices have CMOS V_CC/2 input thresholds and do not

have the input noise-filter or the additional propagation delay.

The ISO7240CF has an input disable function on pin 7, and a selectable high or low failsafe-output function with

the CTRL pin (pin 10). The failsafe-output is a logic high when a logic-high is placed on the CTRL pin or it is left

unconnected. If a logic-low signal is applied to the CTRL pin, the failsafe-output becomes a logic-low output

state. The ISO7240CF input disable function prevents data from being passed across the isolation barrier to the

output. When the inputs are disabled, the outputs are set by the CTRL pin.

These devices may be powered from either 3.3-V or 5-V supplies on either side in any 3.3-V / 3.3-V, 5-V / 5-V,

5-V / 3.3-V, or 3.3-V / 5-V combination. Note that the signal input pins are 5-V tolerant regardless of the voltage

supply level being used.

These devices are characterized for operation over the ambient temperature range of –40°C to 125°C.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...27

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与ISO7240CF-Q1相关器件

型号	品牌	获取价格	描述	数据表
ISO7240CFQDWRQ1	TI	获取价格	HIGH-SPEED QUAD DIGITAL ISOLATORS
ISO7240CQDWRQ1	TI	获取价格	HIGH-SPEED QUAD DIGITAL ISOLATORS
ISO7240M	TI	获取价格	QUAD DIGITAL ISOLATORS
ISO7240MDW	TI	获取价格	QUAD DIGITAL ISOLATORS
ISO7240MDWG4	TI	获取价格	QUAD DIGITAL ISOLATORS
ISO7240MDWR	TI	获取价格	QUAD DIGITAL ISOLATORS
ISO7240MDWRG4	TI	获取价格	QUAD DIGITAL ISOLATORS
ISO7241	TI	获取价格	QUAD DIGITAL ISOLATORS
ISO7241A	TI	获取价格	QUAD DIGITAL ISOLATORS
ISO7241ADW	TI	获取价格	QUAD DIGITAL ISOLATORS

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