cxa1897q Sony Electronics, cxa1897q Datasheet - Page 10

• Manufacturer Part Number: cxa1897q
• Description: Dolby B Type Noise Reduction System With Recording/playback Equalizer
• Manufacturer: Sony Electronics

Electrical Characteristics
Operating voltage
Current consumption
120µs NORM mode
frequency characteristics
70µs NORM mode
frequency characteristics
120µs HIGH mode
frequency characteristics
70µs HIGH mode
frequency characteristics
Signal handling
Total harmonic distortion
S/N ratio
Output offset voltage
AGC on output level
AGC on channel balance
AGC on distortion
No signal detection
level
Item
Item
Item
Item
1kHz, –25dBm, AGC TC
1kHz, –15dBm, AGC TC
1kHz, 0dBm, AGC TC
AMS GAIN=4.7k , 1kHz
Reference output level for PB equalizer system
(–25.0dBm)
f=315Hz, Vin=–70dBm reference level
f=2.7kHz, Vin=–58.5dBm, against 315Hz
f=4.5kHz, Vin=–53.8dBm, against 315Hz
f=5.3kHz, Vin=–52.5dBm, against 315Hz
f=9.1kHz, Vin=–47.8dBm, against 315Hz
120µs-NORM mode, f=1kHz, R
120µs-NORM mode, f=1kHz, R
120µs-NORM mode, Rg=2.2k , "A" WTG filter
120µs-NORM, Rg=70k
No signal
external
—10—
Conditions
Conditions
Conditions
Conditions
external
external
L
L
47µF // 300k
=2.7k , THD+N=1%
=2.7k , Vin=–52dBm
47µF // 300k
47µF // 300k
–24.0
15.0
–27.0
–10.0
–2.0
Min.
Min.
Min.
Min.
–1.5
–1.5
2.40
6.5
0.1
0.1
—
—
55
—
(Ta=25°C, V
–22.5 –20.0
–25.0 –23.0
19.5
–0.1
–6.0
2.70
Typ.
Typ.
Typ.
Typ.
8.0
0.0
0.1
0.3
1.3
1.6
0.3
62
—
–23.0
10.0
24.0
Max.
Max.
Max.
3.20
Max.
1.5
1.5
3.1
3.1
0.7
2.0
1.5
—
—
CC
CXA1897Q
=8.0V)
dBm
dBm
dBm
Unit
Unit
Unit
Unit
mA
dB
dB
dB
dB
dB
dB
dB
V
%
%
V