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Numéro de référence | NJM2172 | ||
Description | OPERATIONAL AMPLIFIER WITH EVR | ||
Fabricant | New Japan Radio | ||
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NJM2172
OPERATIONAL AMPLIFIER WITH EVR
s GENERAL DESCRIPTION
The NJM2172 is single supply, dual OP-AMP with
electric variable resistor (EVR), which contains buffer
amplifier, OP-AMP, reference voltage circuit, EVR and EVR
control circuit.
The reference is fixed around 1/2 V+ level internally, and
only required few external parts.
The A and B EVR is control separately, and amp drive
up to 100Ω(typ.) load. The NJM2172 is suitable for
camcorder, CD, MD, and other audio signal process
system.
s PACKAGE OUTLINE
NJM2172V
s FEATURES
q Low Power Supply Voltage
q Low Operating Current
q A/Bch EVR adjust is separately
q EVR range
q Drivability
q Bipolar Technology
q Package Outline
V+ = 2.7 to 5.5V
Icc = 5.0mA typ.
-3.0 to -95dB
100Ω typ.
SSOP14
s BLOCK DIAGRAM
s PIN CONFIGURATION
DataSheet4U.com
14 13 12 11 10 9
Bch OPAMP
Bch EVR
Bch
VCA
Bch EVR AMP VREF AMP
Bch EVR Control
Ach EVR
Ach OPAMP
Ach EVR Control
Ach EVR AMP
Ach
VCA
123456
8
7
1: OP+INA
2: OP-INA
3: OPOUTA
4: EVROUTA
5: VCNTA
6:
7:
VVC+NTB
8: GND
9: Vref
10:REFIN
11:EVROUTB
12:OPOUTB
13:OP-INB
14:OP+INB
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Pages | Pages 16 | ||
Télécharger | [ NJM2172 ] |
No | Description détaillée | Fabricant |
NJM2171A | LOW VOLTAGE HEADPHONE AMPLIFIER for PORTABLE AUDIO | New Japan Radio |
NJM2172 | OPERATIONAL AMPLIFIER WITH EVR | New Japan Radio |
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NJM2173V | LOW VOLTAGE MICROPHONE AMPLIFIER for PORTABLE AUDIO | New Japan Radio |
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