MC33219A Datasheet, PDF (4/28 Pages) Motorola, Inc – Voice Switched Speakerphone

Freescale SMeCm33i2c1o9Anductor, Inc.
ELECTRICAL CHARACTERISTICS (TA = 25°C, VCC = 5.0 V, CD ≤ 0.8 V, unless noted. See Figure 2)
Characteristic
Symbol
Min
Typ
Max
Unit
LEVEL DETECTORS AND BACKGROUND NOISE MONITORS
Tx–Rx Switching Threshold (Pins 4, 11)
CPR, CPT Output Resistance (for Pulldown)
CPR, CPT Leakage Current
CPR, CPT Nominal DC Voltage (No Signal)
TLO, RLO, CP2 Source Current (@ VB – 1.0 V)
TLO, RLO, CP2 Output Resistance
TLO, RLO, CP2 Sink Current (@ VB + 1.0 V)
MUTE INPUT (Pin 18)
ITH
RCP
ICPLK
VCP
ILDOH
RLD
ILDOL
0.8
1.0
1.2
µA
–
5.0
–
Ω
–
– 0.2
–
µA
–
1.9
–
Vdc
–
– 2.0
–
mA
–
500
–
Ω
–
2.0
–
µA
Switching Threshold (See Text)
Input Resistance (Vin = 0.85 V)
Input Current (Vin = 5.0 V)
Timing
To Mute
To Enable
CD INPUT (Pin 8)
VTHMT
RMT
IMT
tMT
tENM
–
1.0–1.4
–
Vdc
70
115
160
kΩ
–
75
–
µA
µs
–
1.5
–
–
5.0
–
Switching Threshold
Input Resistance (Vin = 0.8 V)
Input Current (Vin = 5.0 V)
Timing
To Disable
To Enable
VTHCD
RCD
ICD
tCD
tENC
–
1.5
–
Vdc
150
235
350
kΩ
–
40
–
µA
µs
–
5.0
–
–
See
–
Figure 22
SYSTEM DISTORTION (See Figure 1)
Microphone Amplifier + Tx Attenuator Distortion
Receive Amplifier + Rx Attenuator Distortion
THDT
THDR
–
0.05
3.0
%
–
0.05
3.0
%
TYPICAL TEMPERATURE PERFORMANCE
Characteristic
–40°C
0°C
25°C
85°C
Power Supply Current
Enabled, VB Open
Disabled, VB Open
VB Output Voltage (IVB = 0)
CT Source Current
Switching to Rx Mode
CT Sink Current
Switching to Tx Mode
Attenuator “On” Gain
3.18
3.23
3.23
3.12
131
119
110
121
2.09
2.17
2.22
2.31
–80
–87
–90
–90
43
47
50
51
6.9
6.8
6.7
6.6
Attenuator Range
53
53
53
53
Volume Control Range (Rx Mode Only, VLC Varied from VB to (VB – 1.0 V))
AGC Attenuation Range
36
39
40
41
32
24
26
30
Temperature data is typical performance only, based on sample characterization, and does not provide guaranteed limits over temperature.
Unit
mA
µA
Vdc
µA
µA
dB
dB
dB
dB
4
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