参数资料
型号: MAX3580ETJ+
厂商: Maxim Integrated Products
文件页数: 20/20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
_______________________________________________________________________________________
9
-45
-55
-65
-75
020
10
30
40
50
STOPBAND NOISE vs. FREQUENCY
MAX3580
tpc15
FREQUENCY (MHz)
STOPBAND
NOISE
(dBm)
BB_BW <3:0> = "1011"
8MHz CHANNEL MODE
BB_BW <3:0> = "1001"
7MHz CHANNEL MODE
0
10
5
20
15
25
30
VHF MODE NOISE FIGURE
vs. BB_AGC VOLTAGE
MAX3580
toc16
BB_AGC VOLTAGE (V)
NOISE
FIGURE
(dB)
0
1.0
1.5
0.5
2.0
2.5
3.0
TA = +25
°C
TA = +55
°C
TA = -40
°C
TA = +85
°C
220MHz
VRF_AGC = 2.85V
0
10
5
20
15
25
30
UHF MODE NOISE FIGURE
vs. BB_AGC VOLTAGE
MAX3580
toc17
BB_AGC VOLTAGE (V)
NOISE
FIGURE
(dB)
0
1.0
1.5
0.5
2.0
2.5
3.0
620MHz
VRF_AGC = 2.85V
TA = +25
°C
TA = -40
°C
TA = +55
°C
TA = +85
°C
0
10
5
15
30
35
25
20
40
100
300 400 500 600
200
700 800 900 1000
RF PORT-TO-PORT ISOLATION
MAX3580
toc18
FREQUENCY (MHz)
GAIN
(dB)
RFIN2 TO RFIN
RFIN TO RFIN2
0
-5
-10
-15
450
675
525
600
750
825
900
RF INPUT RETURN LOSS
vs. UHF FREQUENCY
MAX3580
toc19
UHF FREQUENCY (MHz)
RETURN
LOSS
(dB)
Zo = 75
Typical Operating Characteristics (continued)
(MAX3580 Evaluation Kit, typical values are at VCC = +3.3V, TA = +25°C, unless otherwise noted.)
0
-5
-10
-15
-20
150
200
175
225
250
RF INPUT RETURN LOSS
vs. VHF FREQUENCY
MAX3580
toc20
VHF FREQUENCY (MHz)
RETURN
LOSS
(dB)
Zo = 75
200
195
190
185
3.0
3.3
3.1
3.2
3.4
3.5
3.6
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX3580
toc21
VCC (V)
I CC
(mA)
TA = +55
°C
TA = +85
°C
TA = -40
°C
TA = 0
°C
TA = +25
°C
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