Philips Semiconductors
Versatile speech/dialler/ringer with
music-on-hold
Product specification
TEA1069; TEA1069A
Leq = C3 × R9 × Rp.
Rp = 16.2 kΩ.
LN
handbook, halfpage
L eq
Rp
R1
V ref
SLPE
R9
20 Ω
V EE
REG
VCC
C3
4.7 µF
C1
100 µF
MGD489
Fig.5 Equivalent impedance circuit.
handbook2, .h4alfpage
(1)
Ip
(mA)
(2)
1.6
MSA504
0.8
0
0
1
2
3
4
VCC (V)
VCC > 2.2 V; Iline = 15 mA at VLN = 4 V; R1 = 620 Ω; R9 = 20 Ω.
(1) Ip = 2.1 mA. The curve is valid when the receiving amplifier is not driven or when MUTE = LOW.
(2) Ip = 1.7 mA. The curve is valid when MUTE = HIGH and the receiving amplifier is driven; Vo(rms) = 150 mV, RL = 150 Ω.
Fig.6 Typical current IP available from VCC for peripheral circuitry.
1998 Jan 08
9