Philips Semiconductors
Speech and handsfree IC
Product specification
TEA1098A
CHARACTERISTICS
Iline = 15 mA; RSLPE = 20 Ω; Zline = 600 Ω; f = 1 kHz; Tamb = 25 °C for TEA1098ATV; Tj = 25 °C for TEA1098AUH;
AGC pin connected to LN; PD = HIGH; HFC = LOW; MUTE = HIGH; BPC = HIGH; all DC levels are referenced to GND;
unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
Supplies
LINE INTERFACE AND INTERNAL SUPPLY (PINS LN, SLPE, REG AND VBB)
VSLPE
stabilized voltage
between SLPE and
GND
Iline = 15 mA
Iline = 70 mA
3.4
3.7
4
V
5.7
6.1
6.5
V
VREF
stabilized voltage with
an external resistor RVA
between REG and
SLPE
RVA = 40 kΩ
−
4.5
−
V
∆VREF(T)
stabilized voltage
Tamb = −25 to +75 °C
−
±60
−
mV
variation with
temperature referenced
to 25 °C
VLN
line voltage
Iline = 1 mA
−
1.55
−
V
Iline = 4 mA
−
2.35
−
V
Iline = 15 mA
3.7
4.0
4.3
V
Iline = 130 mA
−
8.7
9.3
V
VBB
regulated supply
Iline = 15 mA; IBB = 0
2.75
3.0
3.25
V
voltage for internal
circuitry
Iline = 70 mA; IBB = 0
4.9
5.3
5.7
V
Iline
line current for voltage start current
increase
stop current
−
18
−
mA
−
45
−
mA
∆VBB(T)
regulated voltage
Tamb = −25 to +75 °C
−
±30
−
mV
variation with
temperature referenced
to 25 °C
IBB
current available on
in speech mode
−
11
−
mA
pin VBB
in handsfree mode
−
9
−
mA
SUPPLY FOR PERIPHERALS (PIN VDD)
VDD
∆VDD(T)
supply output voltage VBB > 3.35 V + 0.25 V (typ.) 3.1
3.35
3.6
V
otherwise
−
VBB − 0.25 −
V
regulated voltage
Tamb = −25 to +75 °C;
−
±30
−
mV
variation with
VBB > 3.35 V + 0.25 V (typ.)
temperature referenced
to 25 °C
IDD
IDD(ext)
current consumption on in trickle mode; Iline = 0 mA; −
15
VDD
VDD = 1.5 V;
VBB discharging
current sunk from
in ringer mode; Iline = 0;
−
−
external source
VDD = 3.35 V
150
nA
75
mA
2000 Aug 18
21