SM-SX1/SX1W
– 46 –
ICA1 RH-iX2815AFZZ: 7th Order Modulation Conversion LSI (IX2815AF)
1
VDDR
—
R channel digital output section power terminal
2
OUTL (+)
Output
R channel forward output terminal
3
OUTL (–)
Output
R channel reverse output terminal
4
GNDD
—
Digital output section ground terminal
5
OUTR (–)
Output
L channel reverse output terminal
6
OUTR (+)
Output
L channel forward output terminal
7
VDDL
—
L channel digital output section power terminal
8
VDDX
—
Oscillation section power terminal
9
XI
Input
Quartz oscillator connection terminal. Clock necessary for the system is generated.
10
XO
Output
Quartz oscillator connection terminal. Clock necessary for the system is generated.
11
GNDX
—
Oscillation section ground terminal
12*
MCK
Output
System clock output terminal
13
TEST
Input
Test terminal. As usual, it is used at "L".
14
NFL1 (+)
Input
L channel forward signal feedback input terminal
15
NFL2 (–)
Input
L channel reverse signal feedback input terminal
16
GNDA
—
Analog ground terminal for AD converter
17
L-CH IN
Input
L channel analog input terminal
18
L-CH Vref
—
Reference voltage terminal for L channel
19
R-CH Vref
—
Reference voltage terminal for R channel
20
R-CH IN
Input
R channel analog input terminal
21
RESET
Input
Reset terminal. It is reset with "L".
22
NFR2 (–)
Input
R channel reverse signal feedback input terminal
23
NFR1 (+)
Input
R channel forward signal feedback input terminal
24
VDA
—
Analog current terminal for AD converter
Pin No.
Port Name
Input/Output
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
VDDR
VDDA
NFR1(+)
NFR2(–)
RESET
Rch IN
Rch Vref
Lch Vref
Lch IN
GNDA
NFL2(–)
NFL1(+)
TEST
OUTR(+)
OUTR(–)
GNDD
OUTL(–)
OUTL(+)
VDDL
VDDX
XI
XO
GNDX
MCK
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
VDA
NFR1(+)
NFR2(–)
RESET
Rch IN
Rch Vre
f
Lch Vref
Lch IN
GNDA
NFL2(–)
NFL1(+)
TEST
VDDR
OUTR(+)
OUTR(–)
GNDD
OUTL(–)
OUTL(+)
VDDL
VDDX
XI
XO
GNDX
MCK
Lch 7th order
Modulation Circuit
Rch 7th order
Modulation Circuit
Comparator
Comparator
Amplitude Doubling
Converter
Amplitude Doubling
Converter
Oscillator
Figure 46 BLOCK DIAGRAM OF IC
