參數(shù)資料
型號(hào)： MAX3580ETJ+
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 14/20頁(yè)
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(lèi)型： 直接轉(zhuǎn)換電視調(diào)諧器
應(yīng)用： 機(jī)頂盒
安裝類(lèi)型： 表面貼裝
封裝/外殼： 32-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 32-TQFN-EP（5x5）
包裝： 托盤(pán)
MAX3580
Direct-Conversion TV Tuner
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
170
230
Operating Frequency Range
fRF
Gain specification met across this
frequency band
470
878
MHz
VRF_AGC = VBB_AGC = +2.85V
71
Overall Voltage Gain (Note 2)
VRF_AGC = VBB_AGC = +0.5V
26
dB
RF Gain Flatness
Within each VHF-III and UHF band (Note 10)
-4
+4
dB
Input Return Loss
Worst case across band selected, 75
system
7
dB
230MHz
5.4
470MHz
4.7
Noise Figure (DSB) (Notes 3, 4)
NF
858MHz
6.5
dB
Broadband (Notes 4, 5)
15
Input 2nd-Order Intercept Point
IIP2
Broadband, RF_AGC adjusted for 49dB of gain
> 26
dBm
Broadband (Notes 4, 6)
> -4
Broadband, RF_AGC adjusted for 49dB of gain
> 12
Narrowband (Notes 4, 7)
-6
Input 3rd-Order Intercept Point
IIP3
Narrowband, RF_AGC adjusted for 49dB of
gain (Note 7)
+16
dBm
PDESIRED = -78dBm and converted to
3.75MHz, PTONE 10MHz higher (Note 4)
-22
RF 1dB Desense
RF_AGC adjusted for 49dB of gain,
PDESIRED = -55dBm
+1
dBm
RF input range of 170MHz to 960MHz (Note 8)
> -60
LO Harmonic Reception
RF input range of 960MHz to 1400MHz
> -40
dBc
RF Channel Flatness
8MHz RF channel at baseband, tested at
169MHz and 469MHz
-1
+1
dB
Isolation
DC to 30MHz, RF input to baseband output,
relative to desired channel
> 60
dBc
I/Q phase error at 1MHz
-3
+3
Degrees
Quadrature Accuracy
I/Q amplitude error at 1MHz
-1.5
+1.5
dB
50MHz to 470MHz
-50
-20
470MHz to 878MHz
-50
-35
Spurious at the RF Input (Note 3)
878MHz to 1732MHz
< -50
-20
dBmV
At 1kHz to 10kHz (Note 3)
-77
-90
At 100kHz (Note 3)
-94
-107
Phase Noise (Single-Sideband,
Closed Loop)
ΦN
At 1MHz
-130
dBc/Hz
AC ELECTRICAL CHARACTERISTICS
(MAX3580 EV kit, VCC = +3.1V to +3.5V, VGND = 0V. VRF_AGC = VBB_AGC = +2.85V, RF input terminated into a 75 load, BBI_ and
BBQ_ loaded by RL greater than 2k and CL less than 10pF, VCO active, registers are set according to the recommended default
register conditions, unless otherwise noted. Typical values are at VCC = +3.3V, TA = +25°C, unless otherwise noted.) (Note 1)
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