
1999 Oct 14
22
Philips Semiconductors
Product specication
Speech and handsfree IC
TEA1098
CHARACTERISTICS
Iline = 15 mA; RSLPE =20 ; Zline = 600 ; f = 1 kHz; Tamb =25 °C for TEA1098H and TEA1098TV; Tj =25 °C for
TEA1098UH; AGC pin connected to LN; PD = HIGH; HFC = LOW; MUTE = HIGH; measured according to test circuits;
all DC levels are referenced to GND; unless otherwise specied.
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
3.4
3.7
4
V
Iline = 70 mA
5.7
6.1
6.5
V
VBB
regulated supply voltage for
internal circuitry
Iline = 15 mA
2.75
3.0
3.25
V
Iline = 70 mA
4.9
5.3
5.7
V
Iline
line current for voltage increase
start current
18
mA
stop current
45
mA
VSLPE(T)
stabilized voltage variation with
temperature referenced to 25
°C
Tamb = 25 to +75 °C
±60
mV
V
BB(T)
regulated voltage variation with
temperature referenced to 25
°C
Tamb = 25 to +75 °C
±30
mV
IBB
current available on pin VBB
in speech mode
11
mA
in handsfree mode
9
mA
VLN
line voltage
Iline =1mA
1.55
V
Iline =4mA
2.35
V
Iline = 15 mA
3.7
4.0
4.3
V
Iline = 130 mA
8.7
9.5
V
SUPPLY FOR PERIPHERALS (PIN VDD)
VDD
regulated supply voltage on VDD VBB > 3.35 V + 0.25 V
(typ.)
3.1
3.35
3.6
V
otherwise
VBB 0.25
V
DD(T)
regulated voltage variation with
temperature referenced to 25
°C
Tamb = 25 to +75 °C;
VBB > 3.35 V + 0.25 V
(typ.)
±30
mV
IDD
current consumption on VDD
in trickle mode;
Iline = 0 mA; VDD = 1.5 V;
VBB discharging
15
150
nA
VDD > 3.35 V
60
100
A
IDD(o)
current available for peripherals
VDD = 3.35 V
3
mA
SUPPLY FOR MICROPHONE (PIN MICS)
VMICS
supply voltage for a microphone
2.0
V
IMICS
current available on MICS
1mA
POWER
-DOWN INPUT (PIN PD)
VIL
LOW-level input voltage
0.4
+0.3
V
VIH
HIGH-level input voltage
1.8
VBB + 0.4 V
IPD
input current
3
6
A