Preliminary Information

MT9196

7-157

† AC Electrical Characteristics are over recommended temperature range & recommended power supply voltages.

‡ Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.

* Note: TxINC, refer to Control Register 2, address 0Fh.

Characteristics

Sym

Min

Max

Units

Test Conditions

1

Analog input equivalent to

overload decision

5.79

6.0

Vp-p

Vp-p

µ-Law

A-Law

Both at CODEC

2

Absolute half-channel gain

M

± to PCM

MIC + to PCM

AUXin to PCM

5.0

14.3

9.5

18.8

9.5

18.8

6.0

15.3

11

20.3

11

20.3

7.0

16.3

12.5

21.8

12.5

21.8

dB

dB

dB

dB

dB

dB

Transmit filter gain=0dB

setting. Digital gain=0dB

setting.

TxINC = 0*

TxINC = 1*

TxINC = 0*

TxINC = 1*

TxINC = 0*

TxINC = 1*

@1020 Hz

Tolerance at all other transmit

filter settings

(1 to 7dB)

±0.2

dB

3

Gain tracking vs. input level

CCITT G.714 Method 2

-0.3

-0.6

-1.6

0.3

0.6

1.6

dB

dB

dB

3 to -40 dBm0

-40 to -50 dBm0

-50 to -55 dBm0

4

Signal to total Distortion vs. input

level.

CCITT G.714 Method 2

35

29

24

dB

dB

dB

0 to -30 dBm0

-40 dBm0

-45 dBm0

5

Transmit Idle Channel Noise

15

-71

16.5

-69

dBrnC0

dBm0p

µ-Law

A-Law

6

Gain relative to gain at 1020Hz

<50Hz

60Hz

200Hz

300 - 3000 Hz

3000 - 3400 Hz

4000 Hz

>4600 Hz

-0.25

-0.9

-25

-30

0.0

0.25

0.25

-12.5

-25

dB

dB

dB

dB

dB

dB

dB

7

Absolute Delay

360

µs

at frequency of minimum

delay

8

750

380

130

750

µs

µs

µs

µs

500-600 Hz

600 - 1000 Hz

1000 - 2600 Hz

2600 - 2800 Hz

9

Power Supply Rejection

f=1020 Hz

f=0.3 to 3 kHz

f=3 to 4 kHz

f=4 to 50 kHz

PSSR

PSSR1

PSSR2

PSSR3

37

40

35

40

dB

dB

dB

dB

±100mV peak signal on

µ-law

PSSR1-3 not production

tested