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Part Number |
SC7312 |
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Manufacturer |
ETC |
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Semiconductor DataSheet |
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DataSheet View |
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SC7312
SC7312
I2C CMOS SC7312 32 SOP
* --* --* * * * * 1.25dB I2C 1.25dB SC7312S SOP-32-375-1.27
1.2
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SC7312
(
Tamb=25°C)
Vs Topr Tstg
10.2 -40 ~ +85 -55 ~ +150
V °C °C
Vs VCL THD S/N f=1kHz 1.25dB/ 2dB/ 1.25dB/ 3.75dB/ Sc
6 2
9 0.01 106 103
10 0.1
V Vrms % dB dB
-78.75 -14 -38.75 0 100
0 +14 0 11.25
dB dB dB dB dB
1.2
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SC7312
Tamb=25°C f=1kHz G=0) Vs=9.0V RL=10kΩ RG=600Ω
VS IS SVR RII VCL SIN RL GIN(MIN) GIN(MAX) GSTEP eIN VDC G=11.25dB G=18.75 8, 21 1, 2, 3, 4
6 60 35 2 80 4 -1
9 20.0 80 50 2.5 100 0 11.25 3.75 2 4 4
10.0 35.0
V mA dB
70
kΩ Vrms dB kΩ
1
dB dB dB µV
20
mV mV
RIV Crange AV(MIN) Av(MAX) ASTEP EA ET VDC Av=0 Av=-20 – 20dB – 60dB
20 70 -1 70 0.5 -1.25 -3
33 75 0 75 1.25 0
50 80 1 80 1.75 1.25 2 2
kΩ dB dB dB dB dB dB mV mV dB dB dB dB mV mV
0 0dB 35 0.5 80 0dB 0.5 37.5 1.25 100 0 1
3 7.5 40 1.75 1.5 3 10
Crange SSTEP EA AMUTE VDC
1.2
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SC7312
GB BSTEP RB Gt TSTEP VOCL RL CL ROUT VOUT
/
±12 1 34
±14 2 44 ±14 2 2.5
±16 3 58 ±15 3
dB dB kΩ dB dB Vrms kΩ
/
±13 1
THD=0.3%
2 4
10 30 4.2 20 ~20kHz 75 4.5 2.5 5 =0dB A =0dB =0dB Av=0,VIN=10mV Vo=1Vrms 3 106 0.01 0.09 0.04 80 Av=0 Av=-20 – dB 20 – dB 60 103 0 0 1 2 1 3 -5 Io=1.6mA 16 2.2µF Q +5 0.4 0.1 0.3 15 120 4.8
nF Ω V µV µV µV dB % % % dB dB dB V V µA V
eNO
20 ~20kHz
S/N THD / Sc
Av=-20dB, VIN=1Vrms Av=-20dB,VIN=0.3Vrms
VIL VIH IIN SDA 1) 2) Vo
1.2
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SC7312
SC7312
1. I2C SC7312 SDA 2 17 SCL SDA SCL 2 I2C
SDA
SCL
17
1.2
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SC7312
3 18 SCL SDA SCL SDA
18 4 SDA 8
5 SDA 19 SC7312 SC7312 SDA SDA
19 6
1.2
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SC7312
1 * * * * SC7312 N 8 + 8 "0" SC7312
2 SC7312 1 3 0 0 0 1 0 0 0
0 1 1 1 1 0 0 0
0 1 1 0 0 1 1 1
B2 0 1 0 1 0 1 1 ; Bx=10dB/
B1 B1 B1 B1 B1 G1 0 1
B0 B0 B0 B0 B0 G0 C3 C3
A2 A2 A2 A2 A2 S2 C2 C2 ; Gx=3.75dB/
A1 A1 A1 A1 A1 S1 C1 C1
A0 A0 A0 A0 A0 S0 C0 C0
Ax=1.25dB/
; Cx=2dB/
1.2
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SC7312
1
0
0
B2
B1
B0
A2 0 0 0 0 1 1 1 1
A1 0 0 1 1 0 0 1 1 A1
A0 0 1 0 1 0 1 0 1 A0 0 -10 -20 -30 -40 -50 -60 -70 0 -1.25 -2.5 -3.75 -5 -6.25 -7.5 -8.75
1.25dB
0
0
B2 0 0 0 0 1 1 1 1 45dB
B1 0 0 1 1 0 0 1 1
B0 0 1 0 1 0 1 0 1
A2
10dB
00100100
2
1 1 1 1
0 0 1 1
0 1 0 1
B1 B1 B1 B1
B0 B0 B0 B0
A2 A2 A2 A2 0 0 0 0 1 1
A1 A1 A1 A1 0 0 1 1 0 0
A0 A0 A0 A0 0 1 0 1 0 1 0 -1.25 -2.5 -3.75 -5 -6.25
1.2
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SC7312
1 1 0 0 1 1 1 25dB 3 0 1 0 G1 G0 S2 0 1 0 1 1 10110100 1
1 1
0 1
-7.5 -8.75 0 -10 -20 -30
1
1
S1 0 0 1 1
S0 0 1 0 1 1 2 3 4 ” ” +11.25dB +7.5dB +3.75dB 0dB 01001001
0 1 0 0 1 1 2 4 0 0 1 1 1 1 0 1 C3 C3 0 0 0 0 0 0 0 C2 C2 0 0 0 0 1 1 1 C1 C1 0 0 1 1 0 0 1 C0 C0 0 1 0 1 0 1 0 -14 -12 -10 -8 -6 -4 -2 7.5dB 0 1 0 1
1.2
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SC7312
0 1 1 1 1 1 1 1 1 C3 10dB
1 1 1 1 1 0 0 0 0 01100010
1 1 1 0 0 1 1 0 0
1 1 0 1 0 1 0 1 0
0 0 2 4 6 8 10 12 14
1.2
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SC7312
1
20 20
2
3
CLOUD=100nF
15 0
-10
(dB)
(dB)
10
-20
(dB)
-20 56nF 100nF Shorted to VREF -40
OPEN
220nF -30
10nF
5
-40
0 0 10 20 30 40 50
-60 100 1k 10k 10 100 1k 10k 100k
(dB)
(Hz)
(Hz)
4
/
1V 100k
5
6
1 VIN=1Vrms AV=0dB All controls Flat
(%)
Volume=-20dB -1 10
( V)
( V)
10k VIN=1V 1k Volume=0dB S/N=76dB S/N=106dB -2 10
10
22Hz ~ 22kHz 3 A Curve
100
10 1 -80 -60 -40 -20 0 1 -80 -60 -40 -20
VIN=316V -3 10
0
20
10
100
1k
10k
100k
(dB)
(dB)
(Hz)
7
1 VIN=250mVrms AV=0dB All controls Flat -1 10
8
9
110
(%)
(%)
-1 10
(dB)
Volume=-20dB
100
90 Volume=0dB -2 10 80
VIN=1Vrms AV=0dB All controls Flat
70 -3 10 10 100 1k 10k 100k -2 10 0.1 1 1 10 2 10 3 10 4 10
(Hz)
(k )
(Hz)
1.2
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SC7312
( )
1.2
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2004.08.03 15 12
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SC7312
SOP-32-375-1.27
20.98±0.10 2.54MAX
0.15±0.05
1.27
0.40
0.25±0.05
19.05
1.2
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SC7312
ESDS
MOS
MOS • • • •
1.2
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SC7312
2003.04.21 2003.05.07 2003.12.25
1.0 1.1 1.2 ” ” 1 13
1.2
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2004.08.03 15 15
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