tp5089 National Semiconductor Corporation, tp5089 Datasheet - Page 2

• Manufacturer Part Number: tp5089
• Description: Dtmf Touch-tone Generator
• Manufacturer: National Semiconductor Corporation

Absolute Maximum Ratings
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage (V
Maximum Voltage at Any Pin
Electrical Characteristics
3 5V to 10V T
correlation with other production tests and or product design and characterization
Minimum Supply Voltage for Keysense
and MUTE Logic Functions
Minimum Operating Voltage
for generating tones
Operating Current
Input Resistors
Input Low Level
Input High Level
MUTE OUT Sink Current
(COLUMN and ROW Active)
MUTE Out Leakage Current
Output Amplitude
Low Group
Output Amplitude
High Group
Mean Output DC Offset
High Group Pre-Emphasis
Dual Tone Total Harmonic Distortion Ratio
Start-Up Time (to 90% Amplitude)
Note 1 R
Note 2 Crystal specification Parallel resonant 3 579545 MHz R
Idle
Generating Tones
COLUMN and ROW (Pull-Up)
SINGLE TONE INHIBIT (Pull-Down)
TONE DISABLE (Pull-Up)
L
is the external load resistor connected from TONE OUT to V
A
Parameter
e
DD
0 C to
b
V
SS
)
a
60 C by correlation with 100% electrical testing at T
V
DD
a
0 3V to V
Unless otherwise noted limits printed in BOLD characters are guaranteed for V
Mute open
V
V
V
R
V
R
V
R
V
R
V
V
V
V
1 MHz Bandwidth
SS
DD
o
o
DD
DD
DD
DD
DD
DD
DD
L
L
L
L
R
V
S s
e
e
e
e
e
e
b
DD
L
e
e
e
e
e
e
e
e
e
Conditions
0 5V
V
0 3V
240 X
240X
240X
240X
150 X L
15V
e
DD
3 5V
3 5V
10V
3 5V
10V
3 5V
10V
4V R
%
SS
3 5V
L
e
2
e
100 mH C
240X
Operating Temperature
Storage Temperature
Maximum Power Dissipation
O
e
5 pF C
0 8 V
190
510
270
735
Min
3 5
120
0 4
2 2
25
2
I
A
DD
e
e
0 02 pF
25 C All other limits are assured by
b
Typ
250
700
340
955
1 1
1 3
4 6
2 7
50
2
1
3
23
0 2 V
1265
b
340
880
470
Max
2 5
3 2
25
b
5
22
b
55 C to
DD
30 C to
a
500 mW
a
mVrms
mVrms
mVrms
mVrms
Units
150 C
DD
mA
mA
mS
mA
kX
kX
mA
dB
dB
60 C
V
V
V
V
V
V
e