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PDF NJW1195A Data sheet ( Hoja de datos )
| Número de pieza | NJW1195A | |
| Descripción | 4-Channel Electronic Volume | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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NJW1195Awww.DataSheet4U.com
4-Channel Electronic Volume with Input Selector
s GENERAL DESCRIPTION
The NJW1195A is a 4-channel electronic volume with
4-in 2-out stereo audio selector. It performs low noise and
low distortion characteristics with resistance ladder circuit.
The NJW1195A is also available for 2-channel differential
transmission electronic volume with 2-in 1-out stereo audio
selector by a differential transmission select function.
All of functions are controlled via three-wired serial bus.
Selectable 4-Chip address is available for using four chips
on same serial bus line.
It’s suitable for two-channel stereo system and or
multi-channel audio system.
At the volume attenuated, the NJW1195A improves low
distortion compared with NJW1195. Furthermore, the
NJW1195A supports both single power supply operation
and dual power supply operation.
s PACKAGE OUTLINE
NJW1195AV
s FEATURES
q Operating Voltage
q 3-Wired Serial Control
q Selectable 4-Chip Address
q Low Output Noise
q Low Distortion
q 4in 2out Stereo Signal Selector
q Volume
q Differential transmission select function
q Channel Separation
q Zero Cross Detection
q Bi-CMOS Technology
q Package Outline
Dual power supply : ±3.5 to ±7.5V
Single power supply : +7.0 to +15V
Chip Address Select Function
Available for using four chips on same serial bus line
-118dBV typ. (1.26µVrms typ.)
0.0003% typ. at Vin=1Vrms (Differential transmission)
+31.5 to –95dB / 0.5dB step, Mute
-120dB typ.
SSOP32
s BLOCK DIAGRAM
In B1
In B2
In B3
In B4
10µF
+
10µF
+
10µF
+
10µF
+
32 31 30 29
Out1 B
100µF
+
28 27
10µF
+
26 25
+31.5dB to -95dB
/ 0.5dBs tep, Mute
VOL1B
100µF
+
24 23
DIFF
Out2 B ADR1
10µF
+
22 21
20
ADR0
19
V+ V-
+
+
100µF 100µF
18 17
Ref 5V
VDD
+31.5dB to -95dB
/ 0.5dBstep, Mute
VOL2B
SEL1B SEL2B
SEL1A SEL2A
VOL2A
+31.5dB to -95dB
/ 0.5dBstep, Mute
Zero Cross
Detection
1234
10µF + 10µF + 10µF + 10µF +
VOL1A
+31.5dB to -95dB
/ 0.5dBstep, Mute
567
100µF +
8
10µF +
Control Logic
9 1100 1111 1122 1133 14 15 16
100µF +
10µF +
+
In A1
In A2
In A3
In A4
Out1 A
D_REF Out2 A
V-
DATA CLOCK LATCH
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| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet NJW1195A.PDF ] | |
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