cxa1910q Sony Electronics, cxa1910q Datasheet - Page 7

• Manufacturer Part Number: cxa1910q
• Description: Dolby B Type Noise Reduction System With Playback Equalizer
• Manufacturer: Sony Electronics

Electrical Characteristics
Current consumption
Dolby block (Dolby level -6dBm=0dB)
TAPE IN input sensitivity
Decode boost 1
Decode boost 2
Decode boost 3
Decode boost 4
Decode boost 5
TAPE IN total harmonic distortion 1
TAPE IN total harmonic distortion 2
Decode S/N ratio
Signal handling
Cross talk TAPE 1ch 2ch
LINEOUT offset voltage
Playback equalizer amplifier block
120µs FWD frequency characteristics
120µs FWD frequency characteristics
70µs FWD frequency characteristics
120µs RVS frequency characteristics
Signal handling
Total harmonic distortion
S/N ratio
Output offset voltage
Cross talk between channels
Cross talk between RVS and FWD
Interval detection between tracks (MUSIC SENSOR) block
Signal detection level 1
Signal detection level 2
MS output leak current
MS output saturation voltage
Boost charge circuit block
PBFB boost-charge current
Boost charge ON VCT level
Boost charge OFF VCT level
Logic voltage
120µs, FWD mode, NR OFF, MS OFF unless otherwise specified.
Item
(Ta=25°C, Vcc=8.0V, RL: output load resistance, Rg: head equivalent impedance)
I
V
BP1
BP2
BP3
BP4
BP5
THD1
THD2
SN1
V
CT3
V
PBREF
F120F
F70F
F120R
V
THD5
SN2
V
CT4
CT5
VMS1
VMS2
I
V
I
V
V
V
V
CC
OH
CRG
Symbol
TIN
OMAX
OS
OMAX
OS
OL
CRG1
CRG2
IL
IH
1
2
1
2
No signal
LINEOUT= 0 dB 1kHz
TAPE IN 500Hz NR-ON Vlo=–25dB
TAPE IN 2kHz NR-ON Vlo=–25dB
TAPE IN 5kHz NR-ON Vlo=–25dB
TAPE IN 10kHz NR-ON Vlo=–40dB
TAPE IN 10kHz NR-ON Vlo=0dB
TAPE IN –20dBm 1kHz RL=2.7k
TAPE IN –20dBm 1kHz NR-ON RL=2.7k
No signal NR-ON CCIR/ARM filter
1kHz THD=1% RL=2.7k
TAPE IN –24dBm 1kHz
No signal
PB F IN 315Hz –70dBm VPBO=0dB
PB F IN 2.7kHz –58.5dBm for 315Hz
PB F IN 4.5kHz –53.8dBm for 315Hz
PB R IN 315Hz –70dBm for 315Hz
PB F IN 1kHz THD=1% RL=2.7k
PB F IN 1kHz –52dBm RL=2.7k
No signal "A" weighting filter
No signal Rg=2.2k
PB IN 1kHz –42dBm
TAPE IN 5kHz MS-ON G1 (10k , 0.015µF)
TAPE IN 5kHz MS-ON G2 (1k , 1.5µF)
TAPE IN 5kHz -30dBm, 1mA applied to MSOUT
AMS ON (G1 mode)
No signal, 3.4V applied to VCT and 1.8V to PBFB
No signal, VCT level when boost charge ON
No signal, VCT level when boost charge OFF
MSMODE, NRMODE, MSSW,
TAPESW, NRSW, DRSW
(input pin, input level, frequency etc.)
—7—
Measurement conditions
–32.0 –30.0 –28.0
–27.0 –25.0 –23.0
–10.0
–43.0 –39.0 –35.0
–62.5 –58.5 –54.5
Min.
14.5
–1.1
77.0
13.0
–1.5
–1.5
–1.0
57.0
1.55
1.4
5.5
3.9
9.7
3.9
1.0
3.6
0.0
2.5
—
—
—
—
—
—
—
—
—
Typ.
17.9
10.4
0.03
0.04
82.8
14.4
–3.0
0.07
60.0
1.95
0.28
–67
–78
–75
2.9
6.4
5.2
0.4
4.0
0.7
0.0
0.0
0.0
3.0
—
—
—
—
Max.
21.5
11.9
2.35
–55
–70
–65
Vcc
4.4
8.5
6.9
1.9
0.2
0.2
4.1
1.5
1.5
1.0
0.5
1.0
1.0
3.4
0.8
—
—
—
—
—
—
CXA1910Q
dBm
dBm
dBm
dBm
Unit
mA
mA
dB
dB
dB
dB
dB
dB
µA
%
%
V
V
V
V