6

Am79M535 Data Sheet

ELECTRICAL CHARACTERISTICS

Description

Test Conditions (See Note 1)

Min

Typ

Max

Unit

Note

3

Ω

4

0

°C to 70°C

–1*

–40

°C to +85°C

–1

–35

–30

–40

–35

+35

+30

+40

+35

mV

—

—

4

4

Analog (RSN) input impedance

300 Hz to 3.4 kHz

1

20

Ω

4

Longitudinal impedance at A or B

35

Overload level

4-wire

–3.1

+3.1

Vpk

2-wire

–6.0

+6.0

2

Transmission Performance, 2-Wire Impedance

2-wire return loss

(See Test Circuit D)

300 Hz to 500 Hz

500 Hz to 2500 Hz

2500 Hz to 3400 Hz

26

26

20

dB

4, 13

Longitudinal Balance (2-Wire and 4-Wire, See Test Circuit C)

L-T, L-4 (normalized to unity gain)

300 Hz to 3400 Hz

–1*

48

52

dB

Longitudinal to metallic L-T, L-4

200 Hz to 1 kHz

normal polarity

0

°C to +70°C

–2*

normal polarity –40

°C to +85°C

–2

reverse polarity

–2

63

58

54

—

—

4

—

1 kHz to 3.4 kHz

normal polarity

0

°C to +70°C

–2*

normal polarity –40

°C to +85°C

–2

reverse polarity

–2

58

54

54

—

—

4

—

Longitudinal signal generation 4-L

300 Hz to 800 Hz

300 Hz to 800 Hz

–1*

40

42

Longitudinal current capability per wire Active state

OHT state

25

18

mArms

4

4

Insertion Loss (2- to 4-Wire and 4- to 2-Wire, See Test Circuits A and B)

Gain accuracy 2- to 4-wire

2- to 4-wire

2- to 4-wire

2- to 4-wire

0 dBm, 1 kHz,

0

°C to +70°C

0 dBm, 1 kHz, –40

°C to +85°C

0 dBm, 1 kHz,

0

°C to +70°C

–1*

0 dBm, 1 kHz, –40

°C to +85°C

–1

5.75

5.65

5.75

5.70

5.85

5.85

5.85

5.85

6.00

6.05

5.95

6.00

dB

—

4

—

4

Gain accuracy 4- to 2-wire

4- to 2-wire

4- to 2-wire

4- to 2-wire

0 dBm, 1 kHz,

0

°C to +70°C

0 dBm, 1 kHz, –40

°C to +85°C

0 dBm, 1 kHz,

0

°C to +70°C

–1*

0 dBm, 1 kHz, –40

°C to +85°C

–1

–0.15

–0.20

–0.1

–0.15

+0.15

+0.20

+0.1

+0.15

—

4

—

4

Variation with frequency

300 Hz to 3400 Hz

Relative to 1 kHz

0

°C to +70°C

–40

°C to +85°C

–0.1

–0.15

+0.1

+0.15

—

—

—

4

Gain tracking

+7 dBm to –55 dBm, ref 0 dBm

0

°C to +70°C

–40

°C to +85°C

–0.1

–0.15

+0.1

+0.15

—

—

4

Notes:

* P.G. = Performance Grade

–2 grade performance parameters are equivalent to –1 performance parameters except where indicated.