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參數(shù)資料
| 型號： | LA7170M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | RF Modulator for UHF Band (Supports SECAM)(UHF（甚高頻）頻帶 RF調(diào)制器（支持SECAM）) |
| 中文描述： | 射頻調(diào)制器，用于UHF頻帶（支持SECAM制式）（超高頻（甚高頻）頻帶射頻調(diào)制器（支持SECAM制式）） |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 109K |
| 代理商： | LA7170M |
Overview
The LA7170M is a UHF band RF modulator whose built-
in RF oscillator and mixer make it a single-chip RF
modulator solution. It also supports image positivity
modulation and AM sound modulation for SECAM
systems.
Package Dimensions
unit: mm
3036B-MFP20
Monolithic linear IC
LA7170M
43098HA (OT) No. 5675-1/8
SANYO: MFP20
[LA7170M]
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
RF Modulator for UHF Band (Supports SECAM)
Ordering number : EN5675
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V
CC
max
Pd max
7
V
Allowable power dissipation
Ta
≤
75°C
250
mW
Operating temperature
Topr
–20 to +75
°C
Storage temperature
Tstg
–55 to +150
°C
Specifications
Maximum Ratings
at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended operating voltage
V
CC
V
CC
op
5.0
V
Operating supply voltage range
4.5 to 5.5
V
Operating Conditions
at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Current drain 1
I
CC
1
Vreq
With no input
24
30
36
mA
Regulator voltage
With no input
3.7
3.9
4.1
V
[RF Output Level] (S19A: A, S19B: A)
Picture carrier output
P
With no input, with 50
terminator
Ratio of levels at fp and fp+fs
77
79.5
82
dBμ
Sound carrier output ratio
P/S
12.5
15
17.5
dB
Sound second harmonic distortion
P/S2
Ratio of levels at fp and fp+2fs
52
62
dB
Sound third harmonic distortion
P/S3
Ratio of levels at fp and fp+3fs
58
68
dB
Chrominance beat
P/CB
Ratio of P above to chrominance beat for
V
IN
= 0.4 Vp-p with 4.43-MHz sine wave input
Ratio of P above to level at fp+2 MHz for
V
IN
= 1 Vp-p with 1-MHz sine wave input
65
75
dB
Picture harmonic distortion
P/V2
50
62
dB
Operating Characteristics
at Ta = 25°C, V
CC
= 5 V, Unless otherwise specified, fp = 591.25 MHz, fs = 5.5 MHz,
S9: ON, S10: B, S19A: B, S19B: B
Continued on next page.
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