MC34216A Datasheet, PDF (7/20 Pages) Motorola, Inc – PROGRAMMABLE TELEPHONE LINE INTERFACE CIRCUIT WITH LOUDSPEAKER AMPLIFIER

ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{DTMF FREQUENCIES}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Characteristic}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Low Group Frequencies}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{High Group Frequencies}
MC34216A
Min
689.4
761.5
844.7
930.5
1195.6
1323.5
1464.5
1617.7
Typ
696.4
769.2
853.2
939.9
1207.7
1336.9
1479.3
1634
Max
703.4
776.9
861.7
949.3
1219.8
1350.3
1494.1
1650.3
Unit
DTMF Std % Error
Hz
697
–0.09
Hz
770
–0.10
Hz
852
0.14
Hz
941
–0.11
Hz
1209
–0.11
Hz
1336
0.07
Hz
1477
0.16
Hz
1633
0.06
NOTE: Minimum values based on fosc = 495 kHz. Maximum values based on fosc = 505 kHz.
TEMPERATURE SPECIFICATIONS (TA = 65°C)
Characteristic
DTMF Distortion Level on Pin LAI, Delta Levels
(F = Hi Freq – f = 697 Hz)
VCC2 in FR Mode @ ICC = 50 mA
VCCR @ ICC = 10 mA, RLS = ∞
VC on Pin SAI in FR Mode
Ri Slope in FR Mode
RT111 Resistor on LS in FR Mode
K_µ0 in FR Mode
Ge0 in FR Mode
Reset Off @ VCC = 3.25 V
Symbol
Min
Max
Unit
DTMFD
–
–27
dB
VCC2
4.15
5.0
V
VCCR
5.0
6.0
V
VC
220
460
mV
Ri
65
155
kΩ
RT111
35
85
kΩ
K_µ0
13
Ge0
170
Vresoff
3.0
16
dB
270
µA/V
3.25
V
PIN FUNCTION DESCRIPTION
Pin
Symbol
Description
1
AHO1
Anti–Howling Timing, Speakerphone Input
2
AHO2
Anti–Howling Timing, Low Voltage Line Driver Disable
3
MTF
Microphone Threshold Filtering
4
MTC
Microphone Threshold Timing
5
AGnd
Small Signal Ground
6
TXI
Microphone Amplifier Input
7
Mic
Microphone Bias Current Sink
8
LAO
Line Driver Amplifier Output
9
LAI
Line Driver Amplifier Input
10
HYN
Hybrid Network Input
11
NDC
Noise Decoupling
12
CM
DC Mask Signal Filtering
13
IMP
Reference Voltage
14
SAO
Line Current Sense Amplifier Output
15
SAI
Line Current Sense Amplifier Input
16
Osc
Oscillator Input. Connect to 500 kHz Resonator
17
D/HS
Data Input, Hookstatus Output
18
Clk
Clock Input
19
RS
Reset Output
20
Iref
Reference Current
MOTOROLA ANALOG IC DEVICE DATA
7