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参数资料
| 型号： | TEA5766UK/N1/S21,1 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 接收器 |
| 英文描述： | FM, AUDIO SINGLE CHIP RECEIVER, PBGA25 |
| 封装： | 3.30 X 3.25 MM, 0.60 MM HEIGHT, WLCSP-25 |
| 文件页数： | 56/59页 |
| 文件大小： | 273K |
| 代理商： | TEA5766UK/N1/S21,1 |
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TEA5766UK_1
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 01 — 22 March 2007
6 of 59
NXP Semiconductors
TEA5766UK
Stereo FM radio + RDS
Formula for high-side injection:
(1)
Formula for low-side injection:
(2)
where:
NDEC = decimal value of PLL word
fRF = wanted tuning frequency (Hz)
fIF = intermediate frequency of 225 kHz
fref = reference frequency of 32.768 kHz
Example for receiving a channel at 100.1 MHz:
(3)
Value 12246.704, is rounded down to the lowest integer value, being 12246, the PLL word
becomes 2FD6h.
The result found using Equation 1 or Equation 2 must always be rounded to the lowest
integer value (truncation). Via the control interface this value can be written to register
FRQSET and the TEA5766UK will then start an autonomous search beginning at this
frequency or go to a preset channel at this frequency. When the application is built
according to the application diagram of Figure 21 and with the preferred components, the
tuning system will settle to the new frequency within 40 ms.
The PLL is triggered by writing one of the four bytes of the FRQSET and TNCTRL and
registers.
The Lock Detect (LD) bit in register TUNCHK will be set after PLL lock detection (see
7.6 Band limits
The TEA5766UK can be switched to the Japanese FM band or the US/Europe FM band.
Bit BLIM in register TNCTRL (see Table 16) set to logic 0 enables the US/European band
(87.5 MHz to 108 MHz) and BLIM set to logic 1 enables the Japanese band (76 MHz to
90 MHz).
7.7 RF AGC
The RF AGC (or wideband AGC) prevents overloading and limits the amount of
intermodulation products created by strong adjacent channels. Default the RF AGC is on
and it can be turned off via the control interface.
The TEA5766UK also has an in-band AGC to prevent overloading by the wanted channel
itself. The in-band AGC is always on.
N
DEC
4f
RF
f
IF
+
()
×
f
ref
--------------------------------------
=
N
DEC
4f
RF
f
IF
–
()
×
f
ref
--------------------------------------
=
N
DEC
4
100.1
10
6
×
225
10
3
×
+
()
×
32768
------------------------------------------------------------------------
12246.704
==
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| TEA5767 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:single-chip FM stereo radio |
| TEA5767HL | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Low-power FM stereo radio for handheld applications |
| TEA5767HN | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Low-power FM stereo radio for handheld applications |
| TEA5767HN/V3 | 功能描述:射频收发器 FM RECEIVER RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray |
| TEA5767HN/V3,118 | 功能描述:射频收发器 FM RECEIVER RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray |
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