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参数资料
| 型号： | LA7170M |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 封装： | MFP-20 |
| 文件页数： | 1/8页 |
| 文件大小： | 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
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)
LA7170M
Ordering number : EN5675
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
7V
Allowable power dissipation
Pd max
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
VCC
5.0
V
Operating supply voltage range
VCC op
4.5 to 5.5
V
Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Current drain 1
ICC1
With no input
24
30
36
mA
Regulator voltage
Vreq
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
77
79.5
82
dB
Sound carrier output ratio
P/S
Ratio of levels at fp and fp+fs
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
65
75
dB
VIN = 0.4 Vp-p with 4.43-MHz sine wave input
Picture harmonic distortion
P/V2
Ratio of P above to level at fp+2 MHz for
50
62
dB
VIN = 1 Vp-p with 1-MHz sine wave input
Operating Characteristics at Ta = 25°C, VCC = 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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