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参数资料
| 型号： | MAX3580ETJ+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/20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
10
______________________________________________________________________________________
Pin Description
PIN
NAME
FUNCTION
1
SDA
Serial-Data Input Line. Requires a pullup resistor to VCC.
2
SCL
Serial-Clock Input. Requires a pullup resistor to VCC.
3
RFIN2
Second RF Input
4
RFIN
First RF Input
5
ADDR2
Address Line. Sets the 3rd LSB of the device address. Connect to ground to set for “0” or VCC to set
for “1.”
6
GND_LNA
Not Internally Connected. Connect to ground.
7
VCC_RF
DC Supply for RF LNA. Connect as close as possible a 100pF capacitor from this pin to GND.
8
LEXT
External Bias Inductor. Connect to VCC with a 270nH inductor.
9
RF_AGC
Gain Control Input for RF VGA.
10
IND1
VHF Inductor Pin 1. Keep traces to inductor as short as possible.
11
IND2
VHF Inductor Pin 2. Keep traces to inductor as short as possible.
12
N.C.
No Connection
13
OVLD_DET
Overload Detector. Do not connect any circuitry to this pin.
14
VCC_BB
DC Supply for Baseband Filter. Connect as close as possible a 10nF capacitor from this pin to ground.
15
BBQ-
Quadrature Inverted Baseband Output
16
BBQ+
Quadrature Noninverted Baseband Output
17
BBI-
In-Phase, Inverted Baseband Output
18
BBI+
In-Phase, Noninverted Baseband Output
19
BB_AGC
Gain Control Input for Baseband VGAs
20
VCC_VCO
DC Supply for the VCO. Connect as close as possible a 100pF capacitor from this pin to ground.
21
VTUNE
VCO Tuning Voltage Input. Connect the PLL loop filter output directly to this pin.
22
GND_TUNE
Ground Reference for the Tuning Voltage. Connect to ground of the loop filter.
23
LDO
VCO LDO Output. Connect a 0.1F capacitor to ground.
24
CP
Charge-Pump Output. Connect the charge-pump output to the PLL loop filter input.
25
GND_CP
Ground for the Charge Pump
26
VCC_SYN
DC Supply for Synthesizer and Serial-Interface Control. Connect as close as possible a 10nF
capacitor from this pin to ground.
27
GND_PLL
Ground for the PLL
28
MUX
Multiplex Output Line. Can be used as a PLL lock-detector output.
29
REF_BUFF
Buffered Output of Reference Oscillator
30
VCC_XTAL
DC Supply for Reference Oscillator. Connect as close as possible a 10nF capacitor from this pin to ground.
31
XB
Reference Input. Connect to a parallel resonant mode XTAL through a load-matching capacitor, or
can also be used as a reference clock input pin.
32
XE
Reference Oscillator Feedback. Connect to a capacitive divider when used in self-oscillating mode.
—EP
Exposed Paddle. Internally connected to ground. Solder EP to the board’s ground plane to achieve
the lowest possible impedance path and optimum RF performance.
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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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