TEA6821T Datasheet, PDF (32/47 Pages) NXP Semiconductors – ICE car radio

Philips Semiconductors
ICE car radio
Table 2 Equivalent pin circuits and pin voltages.
PIN
NO.
PIN NAME
1
QDET1
2
QDET2
DC VOLTAGE (V)
AM
4.0
4.0
FM
4.0
4.0
Preliminary specification
TEA6821T
INTERNAL CIRCUIT
3
TSWITCH
open
0/V₂₁
4
GND
5
V_P5
5.0
5.0
6
HFBUS1
5.0
5.0
September 1993
32