L3037 datasheet(11/22 Pages) STMICROELECTRONICS

11 / 22 page

ELECTRICAL CHARACTERISTICS TEST CONDITION, unless otherwise specified: VCC = 5V;

VSS = -5V; VBAT = -48V; AGND = BGND; Direct Polarity; TA =25

°C.

Note: Testing of all parameters is performed at 25

°C. Characterization as well as the design rules used

allow correlation of tested performances at other temperatures. All parameters listed here are

met in the range 0

°C to +70°C. Functionality between -40°C and 85°C is verified.

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

INTERFACE REQUIREMENTS 2 WIRE PORT

Vab

Overload Level Voice Signal

Rp +PTC = 50

Ω

300Hz to 3.4KHz (*)

4.1

Vpk

Zll

Long Input Impedance

at SLIC terminals per wire

Ω

Ill

Long Current Capab. ac

standby per wire (on HOOK)

mApk

active per wire (on HOOK)

mApk

Ill

Longitudinal Current Capability

active per wire off HOOK

(IT = Transversal current)

75-IT

mApk

4 WIRE TRANS PORT

Vtx

Overload Level

1.8

Vpk

Vtoff

Output Offset Voltage

-350

+350

Ztx

Output Impedance

Ω

(*) At TIP/RING line connection with ZLINE (AC) = 600

Ω. For any DC Loop current from 0mA to ILIM

Figure 5: Typical Application Circuit for U.S. Application.

680nF

L3037

11/22

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