MT91L60/61

Advance Information

22

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

‡ Typical figures are at 25

* Note: RxINC, refer to Control Register 1, address 00h.

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

‡ Typical figures are at 25

* Note: RxINC, refer to Control Register 1, address 00h.

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

‡ Typical figures are at 25

* Note: TxINC, refer to Control Register 1, address 00h.

Characteristics

Sym

Min

Max

Units

Test Conditions

1

Absolute path gain

gain adjust = 0dB

-17.1

-11.1

-16.5

-10.5

-15.9

-9.9

dB

dB

RxINC = 0*

RxINC = 1*

M

± inputs to HSPKR± outputs

1000 Hz at STG2=1

2

Tolerance of other side-tone

settings (-9.96 to 9.96 dB)

relative to output at 0dB setting

-0.5

+/-0.2

+0.5

dB

Characteristics

Sym

Min

Max

Units

Test Conditions

1

EarpIece load impedance

260

300

ohms

across HSPKR

±

2

Allowable earpiece capacitive

load

300

pF

each pin:

HSPKR+,

HSPKR-

3

Earpiece harmonic distortion

0.5

%

300 ohms load across

HSPKR

± (tol-15%),

VO

≤693mV

Rx gain=0dB

Characteristics

Sym

Min

Max

Units

Test Conditions

1

Maximum input voltage without

overloading Codec

across M+/M-

2.128

0.756

Vp-p

Vp-p

TxINC = 0, A/

µ = 0*

TxINC = 1, A/

µ = 1*

Tx filter gain=0dB setting

2

Input Impedance

50

k

Ω