TA2149BFNG TOSHIBA Semiconductor CORPORATION, TA2149BFNG Datasheet

no-image

TA2149BFNG

Manufacturer Part Number
TA2149BFNG
Description
3 V Am/fm 1 Chip Tuner Ic For Digital Tuning System
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
TA2149BFNG
Manufacturer:
TOSHIBA/东芝
Quantity:
20 000
3 V AM/FM 1 Chip Tuner IC (for Digital Tuning System)
which are designed for portable Radios and 3 V Head phone
Radios.
Local Oscillation Voltage is set up low relativity, for NEW FCC.
Functions
TA2149BNG, TA2149BFNG are AM/FM 1 chip tuner ICs,
This is suitable for Digital Tuning System Applications. FM
For NEW FCC.
Suitable for combination with Digital Tuning System which is
included IF Counter.
• Adjustable for IF count output sensitivity by external
One terminal type AM/FM IF count output for IF counter of
Digital Tuning System.
• FM: 1.3375 MHz (1/8 dividing)
• AM: 450 kHz
Built-in Mute Circuit for IF count output.
For adopting ceramic Discriminator, it is not necessary to
adjust the FM Quad Detector Circuit.
Built-in FM MPX VCO circuit.
Built-in one terminal type AM/FM Local Oscillator Buffer
Output for Digital Tuning System Applications.
• Built-in 1/16 Pre-scaler for FM Local OSC Buffer.
Built-in AM Low cut circuit.
Low supply current. (V
Operating Supply voltage range: V
Note 1: Handle with care to prevent devices from deteriorations by static electricity.
resistance of pin 17 (FM only).
I
I
CCq
CCq
(FM) = 13 mA (Typ.)
(AM) = 8.5 mA (Typ.)
TA2149BNG,TA2149BFNG
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
CC
= 3 V, Ta = 25°C)
CC
= 1.8~7 V (Ta = 25°C)
1
Weight
SDIP24-P-300-1.78: 1.2 g (Typ.)
SSOP24-P-300-0.65A: 0.14 g (Typ.)
TA2149BNG
TA2149BFNG
TA2149BNG/BFNG
2006-04-11

Related parts for TA2149BFNG

TA2149BFNG Summary of contents

Page 1

... TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic TA2149BNG,TA2149BFNG 3 V AM/FM 1 Chip Tuner IC (for Digital Tuning System) TA2149BNG, TA2149BFNG are AM/FM 1 chip tuner ICs, which are designed for portable Radios and 3 V Head phone Radios. This is suitable for Digital Tuning System Applications. FM Local Oscillation Voltage is set up low relativity, for NEW FCC. ...

Page 2

Block Diagram RFout V RFin OSC AM MIX FM FMRF MIX ANTENNA LOW GND RFin CUT BFP V OSC BUFF OUT T PSC ...

Page 3

Explanation of Terminals (Terminal Voltage: Typical terminal voltage at no signal with test circuit 25° PIN Characteristic No. RF GND 1 (GND for FM RF stage) 2 FM-RFin 3 AM LOW CUT 4 ...

Page 4

PIN Characteristic No GND 8 (GND for AM, FM IF, MPX) 9 AGC QUAD GND 11 R-OUT 12 L-OUT Internal Circuit GND 8 ⎯ GND ...

Page 5

PIN Characteristic No. LPF2 • LPF terminal for phase detector • Bias terminal AM/ circuit = GND → OPEN → LPF1 • LPF terminal for synchronous detector 14 • VCO stop ...

Page 6

PIN Characteristic No REQ 18 ST LED 19 OSC OUT 20 AM OSC 21 FM OSC Internal Circuit kHz 18 GND PSC SW RF-GND ...

Page 7

PIN Characteristic No RFin for FM RF stage RFout cf. pin 1 Internal Circuit AGC 22 GND 8 ⎯ 7 TA2149BNG/BFNG Terminal Voltage (Typ.) ( ...

Page 8

Application Note 1. AM Low-Cut Circuit • The AM Low-Cut action is carried out by the bypass of the high frequency component of the positive-feedback signal at the AF AMP stage. The external capacitor: C by-pass this component. 3 • ...

Page 9

V Line CC This ICs have two voltage supply terminals, V stage). Set up the potential difference between V case that this IC doesn’t operate normally. 5. How to control the Divider of FM OSC. AM buff OSC FM ...

Page 10

... TA2149BNG Power dissipation TA2149BFNG Operating temperature Storage temperature Note 2: Derated above Ta = 25°C in the proportion of 9.6 mW/°C for TA2149BNG of 4 mW/°C for TA2149BFNG. (Unless otherwise specified 25°C, V Electrical Characteristics F/ MHz IF 10.7 MHz, ∆f = ±75 kHz MHz, MOD = 30%, f ...

Page 11

Characteristic Input resistance Output resistance Max. composite signal input voltage Separation Monaural (Monaural) Total harmonic MPX distortion Stereo Voltage gain Channel balance ON Stereo LED sensitivity OFF Stereo LED hysteresis Capture range Signal noise ratio Muting attenuation Coil Data L ...

Page 12

Test Circuit 2 k Ω AM-RF IN 0.022 µ Vin RFout RFin FM OSC AM OSC LOW FM RFin MIX OUT GND CUT ...

Page 13

Package Dimensions Weight: 1.2 g (typ.) TA2149BNG/BFNG 13 2006-04-11 ...

Page 14

Package Dimensions Weight: 0.14 g (typ.) TA2149BNG/BFNG 14 2006-04-11 ...

Page 15

RESTRICTIONS ON PRODUCT USE • The information contained herein is subject to change without notice. • TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to ...

Related keywords