NJW2303F NJR, NJW2303F Datasheet

Audio DSPs Base Band Interface

NJW2303F

Manufacturer Part Number
NJW2303F
Description
Audio DSPs Base Band Interface
Manufacturer
NJR
Datasheet
1.NJW2303F.pdf (4 pages)

Specifications of NJW2303F

Mounting Style
SMD/SMT
Package / Case
QFP-32
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
■ GENERAL DESCRIPTION
system. It consists of speaker amplifier with limiter and noise
canceller, microphone amplifier, and ringer driver. It also
includes power down function which applies to low
consumption power design.
other handy wireless communication equipments.
■ FEATURES
■ PIN CONFIGURATION
Ver.2003-12-09
The NJW2303 is base band interface IC for cellular Phone
The NJW2303 is suitable for PCS, cellular phone, and any
● Operating Voltage
● Low Operating Current
● Internal Power-Down ON / OFF Switch
● Low Power-Down Operating Current
‹Power Amplifier›
● Output Power Exceeds 40mW
● Low Output Noise Voltage
● Input Limit Level
● Internal Noise Cancel AGC Function
‹Microphone Amplifier›
● Low Equivalent Input Noise Voltage
● Internal Three Steps Ringer Driver
● Bi-CMOS Technology
● Package Outline
BASE BAND INTERFACE IC
(2.7 to 3.3V)
(2.2mA typ.)
(1µA MAX.)
(V
(-100dBV typ.)
(-14dBV typ.)
(2µVrms typ.)
QFP32
+
=3V, R
L
=32Ω)
PIN FUNCTION
1. MICREF
2. POWREF
3. MICIN1
4. MICIN2
5. MICIN3
6. MICOUT
7. SGND
8. POWIN1
9. POWIN2
10. POWIN3
11. POWFB
12. CRECT
13. TC1
14. NRREF
15. NRCNT
16. TC2
■ PACKAGE OUTLINE
NJW2303F
17. POWOUT1
18 PGND
19. POWOUT2
20. V
21. RINOUT3
22. RINOUT2
23. RINOUT1
24. DGND
25. RININ
26. RINCNT1
27. RINCNT2
28. PD
29. REGSD
30. SMONI
31. SP / EAR
32. REGOUT
+
- 1 -

Related parts for NJW2303F

Image
Part Number
Description
Manufacturer
Datasheet
Request R
NJW#1165M-TE1
Part Number:
NJW#1165M-TE1
Description:
Audio DSPs EALA Lead Free Package
Manufacturer:
NJR
NJW#1142M-TE2
Part Number:
NJW#1142M-TE2
Description:
Audio DSPs EALA w/Original Srnd Lead Free Package
Manufacturer:
NJR
NJW#1138M-TE1
Part Number:
NJW#1138M-TE1
Description:
Audio DSPs EALA w/Original Srnd Lead Free Package
Manufacturer:
NJR
NJW#1194V-TE1
Part Number:
NJW#1194V-TE1
Description:
Audio DSPs 2-Channel Electronic Volume
Manufacturer:
NJR
Datasheet:
NJW1194V-TE1.pdf (4 pages)
NJW#1141M-TE1
Part Number:
NJW#1141M-TE1
Description:
Audio DSPs Audio Processor
Manufacturer:
NJR
NJW#1153AFG1
Part Number:
NJW#1153AFG1
Description:
Audio DSPs 6Ch Electric Volume
Manufacturer:
NJR
NJW#1142M
Part Number:
NJW#1142M
Description:
Audio DSPs EALA w/Original Srnd Lead Free Package
Manufacturer:
NJR
NJM567D
Part Number:
NJM567D
Description:
IC TONE-DECODER/PH-LCKDLOOP 8DIP
Manufacturer:
NJR
Datasheet:
NJM567D.pdf (10 pages)
NJM555D
Part Number:
NJM555D
Description:
IC TIMER HIGH-STABLE CTRLR 8-DIP
Manufacturer:
NJR
Datasheet:
NJM555D.pdf (6 pages)
NJU3711D
Part Number:
NJU3711D
Description:
IC SRL/PARALLEL CONV 8BIT 14-DIP
Manufacturer:
NJR
Datasheet:
NJU3711D.pdf (8 pages)
NJU3712D
Part Number:
NJU3712D
Description:
IC 8BIT SRL TO PRL CONVTR 16DIP
Manufacturer:
NJR
Datasheet:
NJU3712M.pdf (8 pages)
NJU3716L
Part Number:
NJU3716L
Description:
IC 16BIT SRL TO PRL CONVTR24SDIP
Manufacturer:
NJR
Datasheet:
NJU3716M.pdf (8 pages)
NJU3718L
Part Number:
NJU3718L
Description:
IC 20BIT SRL TO PRL CONVTR28SDIP
Manufacturer:
NJR
Datasheet:
NJU3718L.pdf (8 pages)
NJU3718G
Part Number:
NJU3718G
Description:
IC 20BIT SRL TO PRL CONVTR SO28
Manufacturer:
NJR
Datasheet:
NJU3718L.pdf (8 pages)
NJU3715G
Part Number:
NJU3715G
Description:
IC SRL/PARALLEL CONV 16BIT 22SOP
Manufacturer:
NJR
Datasheet:
NJU3715G.pdf (8 pages)

NJW2303F Summary of contents

Page 1

... QFP32 PIN FUNCTION 1. MICREF 2. POWREF 3. MICIN1 4. MICIN2 5. MICIN3 6. MICOUT 7. SGND 8. POWIN1 9. POWIN2 10. POWIN3 11. POWFB 12. CRECT 13. TC1 14. NRREF 15. NRCNT 16. TC2 ■ PACKAGE OUTLINE NJW2303F 17. POWOUT1 18 PGND 19. POWOUT2 + 20. V 21. RINOUT3 22. RINOUT2 23. RINOUT1 24. DGND 25. RININ 26. RINCNT1 27. RINCNT2 28. PD 29. REGSD 30. SMONI 31 EAR 32. REGOUT - 1 - ...

Page 2

ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range ■ ELECTRICAL CHARACTERISTICS PARAMETER Overall Operating Voltage Operating Current 1 Operating Current 2 Microphone Reference Voltage Power Amplifier Reference Voltage Control High Level Voltage Control ...

Page 3

SWITCHING PIN FUNCTION PIN NO. PIN NAME SWITCHING FUNCTION 28 PD Power ON / OFF 29 REGSD Microphone Regulator ON / OFF 30 SMONI Sound Monitor Mode EAR Speaker, Earphone Microphone ■ RINGER OUTPUT PIN NO. ...

Page 4

APPLICATION CIRCUIT - 4 - [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages ...

Related keywords