TP3054B, TP3057B, TP13054B, TP13057B

MONOLITHIC SERIAL INTERFACE

COMBINED PCM CODEC AND FILTER

SCTS042A – MAY 1990 – REVISED JULY 1996

10

POST OFFICE BOX 655303

crosstalk

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

Crosstalk, transmit-to-receive

f = 300 Hz to 3000 Hz,

DR at steady PCM code

–90

–75

dB

Crosstalk, receive-to-transmit (see Note 7)

VFXI = 0 V,

f = 300 Hz to 3000 Hz

–90

–75

dB

† All typical values are at VCC = 5 V, VBB = –5 V, and TA = 25°C.

NOTE 7: Receive-to-transmit crosstalk is measured with a – 50 dBm0 activation signal applied at VFXI +.

PARAMETER MEASUREMENT INFORMATION

1

8

7

6

5

4

3

2

8

7

6

5

4

3

2

1

8

7

6

5

4

3

2

1

th2

th4

tsu4

th3

th3

tsu3

8

7

6

5

4

3

2

1

BCLKR

FSR

DR

FSX

DX

td3

td1

th4

tsu4

th2

BCLKX

MCLKX

MCLKR

tw1

tsu1

fclock(M)

tw2

tf1

tr1

td3

td2

TSX

20%

80%

80%

80%

20%

20%

80%

80%

20%

80%

80%

20%

80%

20%

80%

20%

20%

20%

80%

20%

80%

Figure 1. Short-Frame Sync Timing