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
LOGARITHMIC AMPLIFIERS AND ENVELOPE DETECTORS
Maximum Sink Current into TSE or RSE
100
0.7
100
–
–
–
1.3
–
µA
µA
Maximum Sink Current into TBN and RBN
1.0
–
Maximum Source Current from TBN or RBN
µA
Dial Tone Detector Threshold at V
20
4.5
–
mVrms
dB
line
Speech Noise Threshold Both Channels
ATTENUATOR CONTROL
–
–
Switching Depth
46
24
–
50
–
54
60
–
dB
dB
dB
µA
Adjustable Range for Switching Depth
Gain Variation in Idle Mode for Both Channels
Current Sourced from SWT
25
10
7.0
13
T Mode
x
Current Sunk into SWT
7.0
10
13
µA
R Mode
x
PIN FUNCTION DESCRIPTION
Pin
SDIP–42 TQFP–52
Name
Description
Supply Output for Loudspeaker Amplifier and Peripherals
Line Connection Input
1
2
47
48
49
50
51
52
1
V
CC
VLN
VHF
VMC
N/C
3
Supply Output for Speakerphone Section and Base Microphone
Supply Output for Handset Microphone
Not Connected
4
–
–
N/C
Not Connected
5
SLB
REG
SLP
MFI
SLP Buffered Output
6
2
Regulation of Line Voltage Adjustment
DC Slope Adjustment
7
3
8
4
DTMF Input
9
5
HM1
HM2
BM2
BM1
Handset Microphone Input 1
Handset Microphone Input 2
Base Microphone Input 2
10
11
12
13
14
15
16
17
–
6
7
8
Base Microphone Input 1
9
V
DD
Supply Input for Speech Part
Transmit Sensitivity Adjustment
Transmit Signal Envelope Timing Adjustment
Transmit Background Noise Envelope Timing Adjustment
Transmit and Receive Mute Input
Not Connected
10
11
12
13
14
15
16
17
18
19
TSA
TSE
TBN
MUT
N/C
–
N/C
Not Connected
18
19
20
21
SPS
PRS
SWT
LSM
Speakerphone Select Input
Privacy Switch Input
Switch–Over Timing Adjustment
Loudspeaker Mute Input
6
MOTOROLA ANALOG IC DEVICE DATA
MOTOROLA [ MOTOROLA ]
