MT91L60/61
Advance Information
AC Electrical Characteristics† for Side-tone Path
‡
Characteristics
Sym
Min
Typ
Max Units
Test Conditions
1
2
Absolute path gain
gain adjust = 0dB
GAS1 -17.1 -16.5 -15.9
GAS2 -11.1 -10.5 -9.9
dB
dB
RxINC = 0*
RxINC = 1*
M± inputs to HSPKR± outputs
1000 Hz at STG2=1
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
† 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: RxINC, refer to Control Register 1, address 00h.
Electrical Characteristics† for Analog Outputs
‡
Characteristics
Sym Min Typ
Max
Units
Test Conditions
across HSPKR±
each pin:
1
2
EarpIece load impedance
EZL
ECL
260
300
300
ohms
pF
Allowable earpiece capacitive
load
HSPKR+,
HSPKR-
3
Earpiece harmonic distortion
ED
0.5
%
300 ohms load across
HSPKR± (tol-15%),
VO≤693mVRMS, RxINC=1*,
Rx gain=0dB
† 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: RxINC, refer to Control Register 1, address 00h.
Electrical Characteristics† for Analog Inputs
‡
Characteristics
Sym
Min
Typ
Max Units
Test Conditions
1
Maximum input voltage without
overloading Codec
across M+/M-
V
2.128
0.756
Vp-p
Vp-p
TxINC = 0, A/µ = 0*
TxINC = 1, A/µ = 1*
IOLH
Tx filter gain=0dB setting
2
Input Impedance
Z
50
kΩ
M+/M- to V
SSA
I
† 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 1, address 00h.
22
MITEL [ MITEL NETWORKS CORPORATION ]
