°C to 85°C; TV+, RV+ = 5.0V ±5%; GND = 0V)

Parameter

Min

Typ

Max

Units

Transmitter

AMI Output Pulse Amplitudes

(Note 11)

E1, 75

Ω

(Note 12)

E1, 120

Ω

(Note 13)

T1, FCC Part 68

(Note 14)

T1, DSX-1

(Note 15)

2.14

2.7

2.7

2.4

2.37

3.0

3.0

3.0

2.6

3.3

3.3

3.6

V

V

V

V

E1 Zero (space) level (LEN2/1/0 = 0/0/0)

1:1 transformer and 75

Ω load

1:1.26 transformer and 120

Ω load

-0.237

-0.3

-

-

0.237

0.3

V

V

Recommended Output Load at TTIP and TRING

-

75

-

Ω

Jitter Added During Remote Loopback

(Note 16)

10Hz - 8kHz

8kHz - 40kHz

10Hz - 40kHz

Broad Band

-

-

-

-

0.005

0.008

0.010

0.015

0.02

0.025

0.025

0.05

UI

UI

UI

UI

Power in 2kHz band about 772kHz

(Notes 11, 17)

12.6

15

17.9

dBm

Power in 2kHz band about 1.544MHz

(Notes 11, 17)

(referenced to power in 2kHz band at 772kHz)

-29

-38

-

dB

Positive to Negative Pulse Imbalance

(Notes 11, 17)

T1, DSX-1

E1 amplitude at center of pulse

E1 pulse width at 50% of nominal amplitude

-

-5

-5

0.2

-

-

0.5

5

5

dB

%

%

Transmitter Return Loss

(Notes 11, 17, 18)

51 kHz to 102 kHz

102 kHz to 2.048 MHz

2.048 MHz to 3.072 MHz

8

14

10

-

-

-

-

-

-

dB

dB

dB

Transmitter Short Circuit Current

(Notes 11, 19)

-

-

50

mA RMS

Driver Performance Monitor

MTIP/MRING Sensitivity:

Differential Voltage Required for Detection

-

0.6

-

V

Notes: 11. Using a 0.47

µF capacitor in series with the primary of a transformer recommended

in the Applications section.

12. Pulse amplitude measured at the output of a 1:1 or 1:1.26 transformer across a 75

Ω load for

line length setting LEN2/1/0 = 0/0/0.

13. Pulse amplitude measured at the output of a 1:1.26 transformer across a 120

Ω load for line length

setting LEN2/1/0 = 0/0/0.

14. Pulse amplitude measured at the output of a 1:1.15 transformer across a 100

Ω load for

line length setting LEN2/1/0 = 0/1/0.

15. Pulse amplitude measured at the DSX-1 cross-connect across a 100

Ω load for line length settings

LEN2/1/0 = 0/1/1, 1/0/0, 1/0/1, 1/1/0, or 1/1/1 using a 1:1.15 transformer and the length of #22 AWG,

ABAM, or equivalent cable specified in Table 3.

16. Input signal to RTIP/RRING is jitter free. Values will reduce slightly if jitter free clock is input to TCLK.

17. Not production tested. Parameters guaranteed by design and characterization.

and a 1:1 transformer terminated with a 75

Ω load, or a 1:1.26 transformer terminated with a

120

Ω load.

19. Measured broadband through a 0.5

Ω resistor across the secondary of a 1:1.26 transformer

during the transmission of an all ones data pattern for LEN2/1/0 = 0/0/0.

CS61574A CS61575

DS154F2

3