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参数资料
| 型号： | MAX3580ETJ+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/20页 |
| 文件大小： | 0K |
| 描述： | IC TUNER TV DIRECT CONV 32TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 类型： | 直接转换电视调谐器 |
| 应用： | 机顶盒 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 托盘 |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3580ETJ+ | 功能描述:调谐器 Direct Conversion TV Tuner RoHS:否 制造商:NXP Semiconductors 功能: 噪声系数: 工作电源电压: 最小工作温度: 最大工作温度: |
| MAX3580ETJ+CA1 | 功能描述:调谐器 RoHS:否 制造商:NXP Semiconductors 功能: 噪声系数: 工作电源电压: 最小工作温度: 最大工作温度: |
| MAX3580ETJ+T | 功能描述:调谐器 Direct Conversion TV Tuner RoHS:否 制造商:NXP Semiconductors 功能: 噪声系数: 工作电源电压: 最小工作温度: 最大工作温度: |
| 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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