SA589 Datasheet, PDF (13/14 Pages) Sames – LD/DTMF SWITCHABLE DIALLERS WITH DEDICATED KEYS FOR 20 MEMORIES

SA589 FAMILY
DC ELECTRICAL CHARACTERISTICS
(V_DD = 2,5V at 25°C, unless otherwise specified)
Condition
Min Typ Max Unit
Notes
Supply voltage: on-hook
off-hook
1,8
5,7 V
2,4 5,7 V
For memory retention
Hookswitch input: on-hook
off-hook
Supply Current: on-hook
0,8 V_DD
off-hook
MF tone sending
LD impulsing
<0.2
1,5
0,2 V
DD
5
µA V_DD = 2.5V (See note 1)
µA
See note 1
1,0 mA If MF OUT is low
200 µA
Output High Voltage
2,2
V
I = -1mA
(MASK, MUTE and IMP Outputs)
Output Low Voltage
0,3 V
I = +1mA
(MASK, MUTE and IMP Outputs)
MF OUT d.c. Level During Tone
Sending
MF OUT Output Resistance
0,9V_DD
V
3
KΩ
'Key Pressed' Resistance
'Key Not Pressed' Resistance
Darlington Pair Current Gain
2 KΩ
2,5V<V_DD<5,7V
500
KΩ
2,5V<V_DD<5,7V
600 50,000
I_e=100µA,V_ce=2V
NOTE 1:
Specially tested versions with guaranteed lower on-hook supply current are
available
AC ELECTRICAL CHARACTERISTICS
(V_DD = 2,5V at 25°C, unless otherwise specified)
Condition
Min Typ
Oscillating Frequency
Tone Output: Low Group
High Group
560
68
77
97
High-to-Low Group Amplitude Ratio 1,5
2
Total harmonic Distortion: 0-4KHz
1,5
0-10KHz
2,5
0-50KHz
5,0
0-200KHz
6,5
Max Unit
kHz
mVrms
109 mVrms
2,5 dB
%
%
%
10 %
Notes
No Load
No Load
at MF OUT
sames
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