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參數(shù)資料
| 型號： | MAX3580ETJ+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 6/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TUNER TV DIRECT CONV 32TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 60 |
| 類型： | 直接轉(zhuǎn)換電視調(diào)諧器 |
| 應(yīng)用： | 機頂盒 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 32-TQFN-EP（5x5） |
| 包裝： | 托盤 |
MAX3580
Direct-Conversion TV Tuner
14
______________________________________________________________________________________
Shutdown Control (Register Address 0x08)
SHDN_BG: Main Bandgap
0 = Enabled
1 = Disabled
The main bandgap can and will be shut down
once all other blocks are shut down (i.e., all bits in this
shutdown register and bits VCO_ in the VCO
Control Register and bits DC_MO_ in the DC
Offset Control Register are shut down).
SHDN_PD: Baseband Power Detector
For factory use only.
Set to 1 at all times.
SHDN_RF: RF LNA/VGA:
0 = Enabled
1 = Disabled
SHDN_MIX: I/Q Mixer and LO Drivers
0 = Enabled
1 = Disabled
SHDN_BB: Baseband Filters and VGA
0 = Enabled
1 = Disabled
SHDN_SYN: Fractional PLL
0 = Enabled
1 = Disabled
SHDN_REF: Controls the Crystal Oscillator Buffered
Output
0 = Enabled
1 = Disabled
The XTAL oscillator activation results from the
SHDN_SYN, SHDN_REF bits: If either one is on,
the XTAL oscillator runs. The XTAL oscillator is
shut down only if both bits are off.
VCO Control (Register Address 0x09)
VCO<1:0>: Selects 1 of 3 VCO Bands. 00 turns off
VCO block completely.
BS<2:0>: Selects 1 of 8 VCO Sub-Bands
VAS: VCO Band Autoselect
0 = VCO band select controlled by bits VCO<1:0>
1 = Controlled by autotuner
ADL: VCO ADC Latch Enable Bit
1 = Latches ADC value
0 = Default
ADE: Enable VCO Tune Voltage DAC Read
1 = Enables ADC read
0 = Default
Baseband Control (Register Address 0x0A)
PD_TH<2:0>: Detection Threshold for Baseband
Power Detector
BB_BW<3:0>: Baseband Filter Bandwidth. Optimum
values for 7MHz and 8MHz wide RF channels can
be taken from the ROM table.
DC Offset Control (Register Address 0x0B)
DC_TH<1:0>: DC Offset Correction Thresholds.
Keeps output within:
00 = Output within ±0.55V of balanced state
11 = Output within ±0.75V of balanced state
DC_SP<1:0>: DC Offset Correction Speed (or Highpass
Corner Frequency).
11 = Fast (~500Hz)
01 = Slow (~20Hz)
00 = Off/hold DAC values
DC_MO<1:0>: Mode of Operation
00 = Off
10/01 = Sets I/Q channel DACs direct from register
11 = Normal operation
DC_DAC<8>: MSB for DC Offset DAC
BB_BIA: Baseband Filter Op-Amp Bias Settings
0 = Low
1 = High
*
Not production tested.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3580ETJ+ | 功能描述:調(diào)諧器 Direct Conversion TV Tuner RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| MAX3580ETJ+CA1 | 功能描述:調(diào)諧器 RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| MAX3580ETJ+T | 功能描述:調(diào)諧器 Direct Conversion TV Tuner RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| MAX3580ETJ+TW | 制造商:Maxim Integrated Products 功能描述:DIRECT-CONVERSION TV TUNER - Tape and Reel |
| MAX3580ETJ+W | 制造商:Maxim Integrated Products 功能描述:DIRECT-CONVERSION TV TUNER - Rail/Tube |
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