TEA0678T/V2 View Datasheet(PDF) - Philips Electronics
Part Name
Description
View to exact match
TEA0678T/V2
Philips Electronics
TEA0678T/V2 Datasheet PDF : 28 Pages
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Philips Semiconductors
Dual Dolby* B-type noise reduction circuit, automatic
music search, with differential outputs and mute
Preliminary specification
TEA0678
SYMBOL
PARAMETER
CONDITIONS
Switching thresholds
NR/AMS SWITCH (PIN 3)
VIL
IIL
Ii(float)
Vfloat
VIH
IIH
LOW level input voltage
LOW level input current
allowed floating input current
floating voltage
HIGH level input voltage
HIGH level input current
EQUALIZATION (PIN 23)
IEQ70
VEQ70
IEQ120
floating leakage current
floating voltage
input current
AMS OUTPUT (PIN 23)
VOH
HIGH level output voltage
IOH
HIGH level output current
IOH
HIGH level output current
VOL
LOW level output voltage
IOL
LOW level output current
MUTE SWITCH (PIN 30)
VIL
LOW level input voltage
IIL
LOW level input current
VIH
HIGH level input voltage
IIH
HIGH level input current
HEAD SWITCH (PIN 18)
VIL
LOW level input voltage
IIL
LOW level input current
VIH
HIGH level input voltage
IIH
HIGH level input current
NR on
NR on
pin left open-circuit; NR/AMS off
pin left open-circuit; NR/AMS off
AMS on
AMS on
time constant 70 µs active
time constant 70 µs active
time constant 120 µs active
music present
current capability
current capability; note 4
music not present
current capability
MUTE on
MUTE on
MUTE off
MUTE off; smooth switching with a
time constant is recommended
INPUT 1 on
INPUT 1 on
INPUT 2 on
INPUT 2 on
MIN. TYP.
−0.3 −
−10 −20
−10 0
−
2.4
4
−
10
20
+0.002 −
−
4.6
−0.25 −
4
4.6
+0.01 −
+0.01 −
−
−
−0.01 −
−0.3 −
−
−4
4
−
−
10
−0.3 −
−
−
4
−
−
30
MAX. UNIT
+0.8 V
−40 µA
+10 µA
5
V
5.5 V
40 µA
−0.15 mA
5
V
−1 mA
5
V
−1 mA
−0.15 mA
0.8 V
+1 mA
+0.8 V
−100 µA
5.5 V
100 µA
+0.8 V
−100 µA
5.5 V
100 µA
1996 Jun 06
8
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