935198880518 [NXP]
IC AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP44, SOT-313-2, LQFP-48, Receiver IC;
| 型号： | 935198880518 |
| 厂家： | 
NXP |
| 描述： | IC AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP44, SOT-313-2, LQFP-48, Receiver IC 商用集成电路 |
| 文件： | 总35页 (文件大小：1008K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Philips Semiconductors; TEA5757; TEA5759; Self Tuned Radio (STR)
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Information as of 2001-11-12
TEA5757; TEA5759;
Self Tuned Radio
(STR)
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TEA5757; TEA5759; Self
Tuned Radio (STR)
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Description
The TEA5757; TEA5759 is a 44-pin integrated AM/FM stereo radio circuit including a novel tuning
concept. The radio part is based on the TEA5712.
The TEA5757 is used in FM-standards in which the local oscillator frequency is above the radio frequency
(e.g. European and American standards).
The TEA5759 is the version in which the oscillator frequency is below the radio frequency (e.g. Japanese
standard).
The new tuning concept combines the advantages of hand tuning with electronic facilities and features. User
‘intelligence’ is incorporated into the tuning algorithm and an improvement of the analog signal processing
is used for the AFC function.
Features
● The tuning system has an optimized IC partitioning both from application (omitting interferences) and
flexibility (removable front panel option) point of view: the tuning synthesizer is on-chip with the
radio
● The tuning quality is superior and requires no IF-counter for stop-detection; it is insensitive to ceramic
filter tolerances
● In combination with the microcontroller, fast, low-power operation of preset mode, manual-search,
auto-search and auto-store are possible
● The local (internal) controller function facilitates reduced and simplified microcontroller software
● The high integration level (radio and tuning synthesizer on one chip) means fewer external
components with regard to the communication between the radio and the microcontroller (90% less
components compared to the digital tuning application of a radio IC with external PLL tuning
function) and a simple and small printed-circuit board
● There will be no application considerations for the tuning system, with regards to quality and high
integration level, since there will be no external 110 MHz buffers, loop filter or false lock elimination
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Philips Semiconductors; TEA5757; TEA5759; Self Tuned Radio (STR)
● The inherent FUZZY LOGIC behaviour of the Self Tuned Radio (STR), which mimics hand tuning,
yields a potentially fast yet reliable tuning operation
● The level of the incoming signal at which the radio must lock is software programmable
● Two programmable ports
● High selectivity with distributed IF gain
● Soft mute
● Signal dependent stereo-blend
● High impedance MOSFET input on AM
● Wide supply voltage range of 2.5 to 12 V
● Low current consumption 18 mA at AM and FM (including tuning synthesizer)
● High input sensitivity
● Low output distortion
● Due to the new tuning concept, the tuning is independent of the channel spacing.
Datasheet
File
size
(kB)
Publication
release date
Page
count
Type number
Title
Self
Tuned
Radio
(STR)
Datasheet status
Product
Specification
Datasheet
TEA5757;
TEA5759
26-Aug-99
32
184
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Products, packages, availability and ordering
North
American
Type
number
Order code
(12nc)
marking/packing
IC packing info
Standard Marking
Type number
package device status buy online
SOT307
Full production
Full production
Full production
Full production
TEA5757H/V1
9351 740 80518 * Reel Dry Pack,
SMD, 13"
-
Standard Marking
* Tray Dry Pack,
Bakeable,
Multiple
-
SOT307
TEA5757HB 9351 740 80557
Standard Marking
9351 988 80518 * Reel Dry Pack,
SMD, 13"
SOT313-2
(LQFP48)
TEA5759H/V1
-
Standard Marking
* Tray Dry Pack, SOT313-2
order this
-
TEA5759HB 9351 988 80557
(LQFP48)
Bakeable,
Multiple
Products in the above table are all in production. Some variants are discontinued; click here for information
on these variants.
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Philips Semiconductors; TEA5757; TEA5759; Self Tuned Radio (STR)
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similar in function or related to the Type number(s) as listed on this page. The similar products page
includes products from the same catalog tree(s) , relevant selection guides and products from the same
functional category.
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