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参数资料
| 型号： | TDA9884HN |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PQCC32 |
| 封装： | 5 X 5 MM, 0.85 MM HEIGHT, PLASTIC, MO-220, HVQFN-32 |
| 文件页数： | 11/58页 |
| 文件大小： | 290K |
| 代理商： | TDA9884HN |
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TDA9884_2
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 02 — 12 May 2006
19 of 58
Philips Semiconductors
TDA9884
I2C-bus controlled multistandard alignment-free IF-PLL
8.2.4 Data byte for data mode
[1]
The corresponding port function has to be disabled (set to ‘high-impedance’); see Table 14.
[2]
If selected by the I2C-bus, the VIF-AGC voltage can be monitored at pin OP2. In this case, OP2 cannot be
used for the normal port function.
[3]
If selected by the I2C-bus, pin OP1 can alternatively be used for external AGC control, activated by
pin AGCSW. In this case, OP1 cannot be used for the normal port function.
[1]
Pin SIOMAD can be used for the selection of the different NTSC standards without I2C-bus. With a resistor
on pin SIOMAD, fVIF = 58.75 MHz; without a resistor on pin SIOMAD, fVIF = 45.75 MHz (NTSC-M).
Table 17.
Bit description of SAD register for data mode (SAD = 10)
Bit
Value
Description
E7
VIF-AGC features
dependent on bit E5; see Table 18
E6
L standard PLL gating
1
gating in case of 36 % positive modulation (B4 = 0)
0
gating in case of 0 % positive modulation (B4 = 0)
1
optimum for multipath condition (B4 = 1)
0
optimum for overmodulation condition (B4 = 1)
E5
VIF, SIF and tuner minimum gain
dependent on bit E7; see Table 18
E4 to E2
vision intermediate frequency selection
E1 and E0
sound intercarrier frequency selection (sound 2nd IF);
only valid for setting of bit E4 to bit E2 according to Table 19
00
fFM = 4.5 MHz
01
fFM = 5.5 MHz
10
fFM = 6.0 MHz
11
fFM = 6.5 MHz (for positive modulation choose 6.5 MHz)
Table 18.
Options
Function Bit E7 = 0
Bit E7 = 1
Bit E5 = 0
Bit E5 = 1
Bit E5 = 0
Bit E5 = 1
Pin OP1
port function port function
port function
VIF-AGC external input[1][2][3]
Pin OP2
port function port function
VIF-AGC output[1][2][3]
VIF-AGC output[1][2][3]
Gain
normal gain
minimum gain normal gain
external gain
Table 19.
TV standard selection for VIF
Video IF select bits
fVIF (MHz)
E4
E3
E2
0
58.75[1]
0
1
45.75[1]
0
1
0
38.9
0
1
38.0
1
0
33.9
1
0
1
33.4
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| TDA9885TS/V5 | AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA9884TS | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:I2C-bus controlled multistandard alignment-free IF-PLL for mobile reception |
| TDA9884TS/V1 | 功能描述:调节器/解调器 MOBILE VIF AND SIF DEMODULATOR RoHS:否 制造商:Texas Instruments 封装 / 箱体:PVQFN-N24 封装:Reel |
| TDA9884TS/V1,112 | 功能描述:调节器/解调器 MOBILE VIF AND SIF RoHS:否 制造商:Texas Instruments 封装 / 箱体:PVQFN-N24 封装:Reel |
| TDA9884TS/V1,118 | 功能描述:调节器/解调器 MOBILE VIF AND SIF RoHS:否 制造商:Texas Instruments 封装 / 箱体:PVQFN-N24 封装:Reel |
| TDA9884TS/V1/S1,11 | 功能描述:调节器/解调器 MOBILE VIF AND SIF RoHS:否 制造商:Texas Instruments 封装 / 箱体:PVQFN-N24 封装:Reel |
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