LCR1210-R100F datasheet(8/59 Pages) SKYWORKS

8 / 59 page

Si32260/1

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

Rev. 1.4 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 7, 2021

Table 4. Linefeed Characteristics

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Maximum Loop Resistance

RLOOP

RDC,MAX =430 

ILOOP =18mA, VBAT =–52 V,

RPROT =0 

—

2000



DC Feed Current

Differential

—

Common Mode

—

Differential + Common Mode

—

DC Loop Current Accuracy

ILIM =18mA

—

DC Open Circuit Voltage

Accuracy

Active Mode; VOC =48V,

VTIP – VRING

——

DC Differential Output

Resistance

RDO

ILOOP < ILIM

160

—

640



DC On-Hook Voltage

Accuracy—Ground Start

VOHTO

IRING<ILIM; VRING wrt ground,

VRING =–51 V

——

DC Output

Resistance—Ground Start

RROTO

IRING<ILIM; RING to ground

160

—

640



DC Output Resistance—

Ground Start

RTOTO

TIP to ground

400

—



Loop Closure Detect

Threshold Accuracy

ITHR =13mA

—

Ground Key Detect

Threshold Accuracy

ITHR =13mA

—

Ring Trip

Threshold Accuracy

AC detection,

VRING = 70 Vpk, no offset,

ITH =80mA

——

DC detection,

20 V dc offset, ITH =13mA

——

DC Detection,

48 V DC offset, Rloop = 1500 

——

Ringing Amplitude*

VRINGING

Si32260 Open circuit,

VBAT =–110V

—–108—

VPK

Si32261 Open circuit,

VBAT =–140V

—–136—

VPK

Sinusoidal Ringing Total

Harmonic Distortion

RTHD

Si32260 : 60 VRMS,

15 VOFFSET, 0–5 REN

—1

—

Si32261 : 55 VRMS,

48 VOFFSET, 0–5 REN

Ringing Frequency Accuracy

f = 16 Hz to 60 Hz

—

*Note: Ringing amplitude is set for 108 or 128 V peak and measured at TIP-RING using no series protection resistance.

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