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FunctionPin No. Pin Name I/O
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
L1
V
DD2
VDD1
VDD1
VSS1
TEST2
TEST3
V
SS1 (LF)
NU
NU
AV
SS (LF)
LVDD
LVSS
REFO
INLM
INLP
O
—
—
—
—
I
I
—
—
—
—
—
—
O
I
I
Lch PLM output 1
+5V power supply (D/A, digital)
+5V power supply (A/D, digital)
Ground (A/D, digital)
Test pin (Fixed at “L”)
Ground (A/D, digital)
Not used
Ground (A/D, analog)
+5V power supply (A/D, buffer)
Ground (A/D, buffer)
A/D reference voltage output (+3.2V)
Lch analog (–) input
Lch analog (+) input