参数资料
型号: TEA5777HN/N2,518
厂商: NXP SEMICONDUCTORS
元件分类: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQCC48
封装: 7 X 7 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, SOT-619-1, HVQFN-48
文件页数: 17/47页
文件大小: 219K
代理商: TEA5777HN/N2,518
TEA5777_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 11 April 2006
24 of 47
Philips Semiconductors
TEA5777
Low-power AM/FM stereo radio for handheld applications
[1]
Measured with ferroceptor C8E-A0424 TOKO Inc.
2
CHP0*
charge pump current: 0 = large; 1 = small
1
DEEM*
de-emphasis: 0 = 50
s; 1 = 75 s
0 (LSB)
RFB
LNA feedback resistor: 0=1M
; 1 = 2.2 M
Table 24.
AM write mode - data byte 5
Bits marked with * are common for FM and AM mode.
Bit
Symbol
Description
7 (MSB)
CALLIGN
selection bit: 0 = C[6:0] sets C-bank; 1 = C[6:0] sets C-align
6
C6
C[6:0] sets C-bank or C-align word depending upon bit CALLIGN:
C-align: C[6:0] should be between 0 and 128 (decimal)
C-bank: C[6:0] should be between 0 and 122 (decimal)
5C5
4C4
3C3
2C2
1C1
0 (LSB)
C0
Table 25.
AM write mode - data byte 6
Bits marked with * are common for FM and AM mode.
Bit
Symbol
Description
7 (MSB)
SEARCH*
search mode: 0 = disabled; 1 = enabled
6
PROGBLIM*
copy word: 0 = no copy; 1 = copy PLL word to BLIM register
5
UPDWN*
if bit PROGBLIM = 0: 0 = down search; 1 = up search
if bit PROGBLIM = 1: 0 = lower band limit; 1 = upper band limit
4
SLEV1*
search level settings: see Table 26
3
SLEV0*
2
AMDELAY
IF counter delay; 0 = 40 ms; 1 = 80 ms
1
STEP0*
search steps AM: see Table 27
0 (LSB)
-
no function
Table 26.
Search level settings
Bits SLEV[1:0]
RF level (AM)[1]
ADC[3:0] level bits
00
0.9 mV/m
0010
01
1.2 mV/m
0100
10
1.9 mV/m
0110
11
3.8 mV/m
1001
Table 23.
AM write mode - data byte 4 …continued
Bits marked with * are common for FM and AM mode.
Bit
Symbol
Description
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