Continued from preceding page.
Number
Name
I/O
LC7041
Equivalent circuit
Description
53
ADI
I
A/D converter input. 6-bit sequential approximation type with full scale
(3FH data) of (63/96) × VDD.
61
AIN
I
62
AOUT
O
60
EO
O
55
INFF
I
52
HOLD
I
1
XIN
I
64
XOUT
O
63
TEST1
2
TEST2
56
VDD
59
VSS
LPF amplifier transistor connections.
Standard frequency, programmable divider output, phase comparison
error output. With built-in charge pump.
Serial communications speed select. High-speed mode when HIGH, and
low-speed mode when LOW.
Backup-mode select. Backup mode is selected when LOW. High
withstand voltage when synchronized to the main power switch.
4.5MHz crystal oscillator connections. With built-in feedback resistor.
–
Test pins. Leave open or tie to VSS for normal use.
–
Supply pins.
No.5336–5/9