MH88437-P

Advance Information

8

.

‡ Typical figures are at 25˚C with nominal +5V supply and are for design aid only

† Electrical Characteristics are over Recommended Operating Conditions unless otherwise stated.

‡ Typical figures are at 25

°C with nominal + 5V supplies and are for design aid only.

Note 2: This is equivalent to 10M

Ω leakage Tip/Ring to Ground.

Note 3. Refer to EIA/TIA 464 Section 4.1.1.4.4

Parameter

Sym

Min

Max

Units

Comments

1

DC Supply Voltage

-0.3

6

V

2

Storage Temperature

-55

+125

˚C

3

DC Loop Voltage

-110

+110

V

4

Transient loop voltage

300

V

1ms On hook

5

Ringing Voltage

150

Vrms

VBAT = -56V

6

Loop Current

60

90

mA

mA

CL=1

7

Ring Trip Current

180

mArms

250ms 10% duty cycle or

500ms single shot

Recommended Operating Conditions

Parameter

Sym

Min

Max

Units

Test Conditions

1

DC Supply Voltages

4.75

5.0

5.25

V

2

Operating Temperatures

Industrial Temperature

0

-40

25

70

+85

˚C

3

Ringing Voltage

75

90

Vrms

VBat = -48V

Characteristics

Sym

Min

Max

Units

Test Conditions

1

Ringing Voltage

No Detect

Detect

VR

14

7Vrms

Vrms

Externally Adjustable

2

Ringing Frequency

15

68

Hz

3

Operating Loop Current

15

60

80

mA

mA

CL=1 (see Note 1)

4

Off-Hook DC Voltage

6.0

6.0

7.8

V

V

V

Externally Adjustable

where R2 = 110k

Ω

5

Leakage Current

(Tip or Ring to AGND)

10

7

µA

mA

100V DC

(see Note 2)

1000V AC

6

Leakage Current on-hook

(Tip to Ring)

9

18

10

20

µΑ

7

Dial Pulse Detection

ON

OFF

0

0

+1

+1

+2

+2

ms

ms

Dial pulse delay

8

Loop Condition Detect Threshold

Off-Hook

5

16

V

Voltage across tip and

ring