U4076B Datasheet, PDF (4/6 Pages) TEMIC Semiconductors – Three-Tone Ringer for Telephone Sets

U4076B
Electrical Characteristics
V_S = 10 V, f_clock = 455 kHz,T_amb = 25 to 60°C. Reference point Pin 4 (5), Pin 13 (15) ground, unless otherwise specified.
Parameters
Test Conditions / Pins Symbol Min.
Typ.
Max. Unit
Supply current (no load)
Pins 5 and 7 (6)
outputs open V₆₍₇₎ = 10 V
T_amb = +25°C
Frequency range of the
ringing input current
a) Pin 1 - open
I_S
Pins 5 and 7 (6, 8)
0.9
1.15
1.3
mA
23 to 54
Hz
b) Pin 1 - grounded
c) Pin 1 - connected to
f_ring
12 to 54
DC
Pin 6 (7)
operation
AC-operation
Switch-on threshold
Switch-off threshold
Pin 6 (7)
6.5
8.5
V
3.5
5.5
DC-operation
Switch-on threshold
Pin 6 (7)
2.75
4.75
V
Switch-off threshold
 ^{Output on resistances}
at 20 mA
Output signal frequency
Build-up time of clock
oscillator
Pin 6 (7)
Pin 11 (12) R_on
Pin 12 (13) R_on
f₀
Pins 11 and 12 (12,13)
f₁
f₂
f₃
t_B
2.0
4.0
V
400
W
400
W
448/455
kHz
800/812
Hz
1067/1083
Hz
1333/1354
Hz
10
ms
Internal voltage limitation V_{6–4 (7–5)}
25
27
30
I_Z=1 mA
Pin 6 (7)
Repetition rate oscillator:
Low state
High state
Allowable resistor
Pin 8 (9) V₈₍₉₎
0.5
0.6
Pin 8 (9) V₈₍₉₎
2.0
Pins 8-10 (9-11)
R
0.043
V
0.7
V
V
2
MΩ
Ordering Information
Extended Type Number
U4076B-FL
U4076B
Package
SO16
DIP14
Remarks
4 (6)
TELEFUNKEN Semiconductors
Preliminary Information
Rev. A1, 15-May-96