HA12173 Series
22 VCC
GND 49 50
40 RIP
+
C22
1 µF
47 VREF(L)
+
–
L channel
reference
+
52 MS VREF
–
Music sensor
reference
+
R channel
–
reference
52 VREF(R)
Figure 1 The Block Diagram of Reference Voltage Supply
Operating Mode Control
HA12173 series provide fully electronic switching circuits. And each operating mode control are
controlled by parallel data (DC voltage).
Table 2 Threshold Voltage (VTH)
Pin No.
Low
High
Unit
13, 14, 15, 16, –0.2 to 1.5
3.5 to 5.3
V
17, 18, 19
Test condition
Input Pin
22 k
Measure
V
Rev.1, Nov. 1992, page 12 of 66