MC33215
ELECTRICAL CHARACTERISTICS (continued) (All parameters are specified at T = 25°C, I
= 18 mA, VLS = 2.9 V, f = 1000 Hz,
line
PRS = high, MUT = high, SPS = low, LSM = high, test figure in Figure 17 with S1 in position 1, unless otherwise stated.)
Characteristic
Min
Typ
Max
Unit
R CHANNEL, LOUDSPEAKER PRE–AMPLIFIER (SPS = HIGH, R MODE FORCED)
x
x
Voltage Gain from V
to V
(Note 2)
RLS
21
60
24
–
27
–
dB
dB
RXI
V
line
= 20 mVrms
Gain Reduction in Mute Condition
SPS = Low or MUT = Low
R CHANNEL, LOUDSPEAKER AMPLIFIER
x
Voltage Gain from V to V
25
26
27
dB
LSI
LSP
V
LSI
= 10 mVrms
Attenuation at Delta R
= 47 kΩ
–
–
32
–
–
dB
VOL
Psophometrically Weighted Noise Level at V
1.2
mVrms
LSP
RXI Shorted to Gnd via 10 µF
Confidence Level During DTMF Dialing
150
200
250
mVrms
V
MF
= 7.5 mVrms MUT = Low
Available Peak Current from LSO
110
1.8
–
–
–
–
mApeak
Vpp
Output Capability into 25 Ω
THD ≤2%, V = 55 mVrms
LSI
Output Capability into 25 Ω
2.7
60
–
–
–
–
Vpp
dB
THD ≤2%, V = 5.0 V, V = 90 mVrms
LS
LSI
Gain Reduction in Mute Condition
LSM = Low
R CHANNEL PEAK–TO–PEAK LIMITER
x
Peak–to–Peak Limiter Attack Time
–
–
–
–
–
300
–
5.0
–
ms
ms
%
V
LSI
Jumps from 40 mVrms to 120 mVrms
Peak–to–Peak Limiter Release Time
Jumps from 120 mVrms to 40 mVrms
V
LSI
THD at 10 dB Overdrive
= 120 mVrms
7.0
0.1
V
LSI
Peak–to–Peak Limiter Disable Threshold at PPL
–
V
AUTOMATIC GAIN CONTROL
Gain Reduction in Transmit and Receive Channel with Respect to I
= 18 mA
4.5
–
6.0
–
7.5
1.5
dB
dB
line
I
= 70 mA
line
Gain Variation in Transmit and Receive Channel with Respect to I
=18 mA with
line
AGC Disabled (AGC to V
)
DD
Highest Line Current for Maximum Gain
Lowest Line Current for Minimum Gain
BALANCE RETURN LOSS
–
–
20
50
–
–
mA
mA
Balance Return Loss with Respect to 600 Ω
SIDETONE
20
–
–
–
–
dB
dB
Voltage Gain from V
S1 in Position 2
to V
28
HM
EAR
LOGARITHMIC AMPLIFIERS AND ENVELOPE DETECTORS
Voltage Gain from RXI to RSA
18
17.5
40
20
18.5
–
22
19.5
–
dB
dB
dB
V
RXI
= 15 mVrms
Voltage Gain from BMI to TSA
= 0.5 mVrms
V
BM
Dynamic Range of Logarithmic Compression from TSA to TSE and RSA to RSE
and I from 2.5 µA to 250 µA
I
TSA
RSA
Envelope Tracking Between TSE and RSE and Between TBN and RBN
Maximum Source Current from TSE or RSE
–
±3.0
–
dB
0.3
0.4
0.5
µA
NOTE: 2. Corresponding to –0.6 dB gain from the line to output RLS in the typical application.
5
MOTOROLA ANALOG IC DEVICE DATA
MOTOROLA [ MOTOROLA ]
