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SD-AS10
ICA100, ICA200, ICA300 RH-iX0498AWZZ: 7th Order
Pin No.
Terminal Name
1
VDDL
2
OUTL(+)
3
OUTL(-)
4
GNDD
5
OUTR(-)
6
OUTR(+)
7
VDDR
8
VDDX
9
XI
10
XO
11
GNDX
12*
MCK
13*
TEST
14
NFR1(+)
15
NFR2(-)
16
GNDA
17
RCH IN
18
RCH VREF
19
LCH VREF
20
LCH IN
21
RESET
22
NFL2(-)
23
NFL1(+)
24
VDDA
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
1
VDDL
2
OUTL(+)
3
OUTL(-)
4
GNDD
5
OUTR(-)
6
OUTR(+)
7
VDDR
8
VDDX
9
XI
10
XO
11
GNDX
12
MCK
Modulation Conversion LSI (IX0498AW)
Input/Output
Input
Power supply terminal of Channel L digital output section.
Output
Channel L normal rotation output terminal.
Output
Channel L inversion output terminal.
—
Ground terminal of the digital output section.
Output
Channel R inversion output terminal.
Output
Channel R normal rotation output terminal.
Input
Power supply terminal of Channel R digital output section.
Input
Power supply terminal of the oscillating section.
Input
Crystal oscillator connection terminal. Generates clock necessary for the system.
Output
Crystal oscillator connection terminal. Generates clock necessary for the system.
—
Oscillating section ground terminal.
Output
System clock output terminal.
Input
Test terminal. Normally used in "L".
Input
Normal rotation signal feedback input terminal of Channel L.
Input
Inversion signal feedback input terminal of Channel L.
—
Analog ground terminal for AD converter.
Input
Channel R analog input terminal.
Input
Channel R reference voltage terminal.
Input
Channel L reference voltage terminal.
Input
Channel L analog input terminal.
Input
Reset terminal. Reset with "L".
Input
Inversion signal feedback input terminal of Channel L.
Input
Normal rotation signal feedback input terminal of Channel L.
Input
Analog power supply terminal for AD converter.
24
VDDA
23
NFL1(+)
22
NFL2(-)
21
RESET
20
Lch IN
Lch Vref
19
18
Rch Vref
17
Rch IN
16
GNDA
15
NFR2(-)
14
NFR1(+)
13
TEST
Figure 8-11 BLOCK DIAGRAM OF IC
Function
24
23
22
21
20
Rch 7th order ∆Σ
Modulation Circuit
Comparator
Amplitude Doubling
Amplitude Doubling
Converter
Converter
1
2
3
4
5
8 – 11
19
18
17
16
15
Rch 7th order ∆Σ
Modulation Circuit
Comparator
Oscillator
6
7
8
9
10
14
13
11
12
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