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参数资料
| 型号： | LA77000V |
| 元件分类： | 接收器 |
| 英文描述： | FM, AUDIO DEMODULATOR, PDSO16 |
| 封装： | 0.225 INCH, SSOP-16 |
| 文件页数： | 2/8页 |
| 文件大小： | 204K |
| 代理商： | LA77000V |
LA77000V
No. 7875-2/8
Electrical Characteristics/Operating Characteristics at Ta = 25
°C, VCC = 5.0V, Measured with US3ch unless
otherwise specified
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Current drain 1
ICC1
No signal, pin 6 high
28
41
53
mA
Current drain 2
ICC2
No signal, pin 6 low
15
22
29
mA
Regulator voltage
Vreg
No signal
3.7
3.9
4.1
V
Antenna driver voltage
Vanton
Pin 6 high, 220
load
3.2
3.5
3.8
V
Negative Resistance (pin7)
-R
CI
≤100
1.2
2.2
k
RF type
Video carrier frequency accuracy
Fp
Fp (US3ch): 61.25MHz
X’tal accuracy 30ppm
-25
25
kHz
Video carrier frequency stability
Fpt
X’tal accuracy 30ppm
Ta = 4
°C to 38°C
-25
25
kHz
Video carrier output US
Pus
No signal (Note 1)
85.5
87.5
89.5
dB
Audio carrier output ratio
P/S
S: fp + 4.5MHz
14.5
16
17.5
dB
Audio 2
nd harmonic distortion
P/S2
S2: fp + 2
× 4.5MHz
50
65
dB
Audio 3
rd harmonic distortion
P/S3
S3: fp + 3
× 4.5MHz
45
55
dB
Chroma beat
P/CB
Vin = 3.58MHz, 0.6Vp-p
CB: fp + 920kHz
65
74
dB
Video harmonic distortion
P/V2
Vin = 1MHz, 1Vp-p
V2: fp + 2MHz
45
72
dB
Video type
Video modulation
Mp
Vin = Stair step, 1Vp-p
75
80
85
%
White clip level
WCL
Vin = Stair step, 1.5Vp-p
90
95
99
%
Differential gain
DG
Vin = 10-Stair step, 1Vp-p
(Note 2)
-5
5
%
Differential phase
DP
Vin = 10-Stair step, 1Vp-p
(Note 2)
-5
5
°C
Video signal frequency response
Rfv
Vin = CW, 1Vp-p
0.75 MHz to 3.75MHz
-1.1
-0.4
0.3
dB
Video S/N
VS/N
Vin = 50%
4.2MHz LPF ON
50
dB
Audio type
Audio carrier frequency accuracy
Fs
X’tal accuracy 30ppm
-5
5
kHz
Audio modulation
Ms
Ain = 1kHz, 1Vp-p
(Note 3)
90
100
110
%
Maximum audio modulation
Msmx
THD < 3%
400
%
Audio distortion
THD
Ain = 1 kHz, 1Vp-p
0.4
2
%
Audio S/N
AS/N
Ain = 1 kHz, 1Vp-p
Vin = Color bar, 1Vp-p
45
50
dB
Note 1:
9.5dB added to the RFOUT value measured with a spectrum analyzer of the input impedance of 50
.
Note 2:
Difference between 1 stair step and 8 stair step of 10 stair step.
Note 3:
100% =
±25kHz modulation.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LA77000V-A-MPB-E | 功能描述:调节器/解调器 RoHS:否 制造商:Texas Instruments 封装 / 箱体:PVQFN-N24 封装:Reel |
| LA77000V-A-TLM-E | 功能描述:调节器/解调器 RoHS:否 制造商:Texas Instruments 封装 / 箱体:PVQFN-N24 封装:Reel |
| LA77000V-MPB-E | 功能描述:调节器/解调器 RoHS:否 制造商:Texas Instruments 封装 / 箱体:PVQFN-N24 封装:Reel 调制类型: 工作电源电压: 电源电流: 最大工作温度: 最小工作温度: 安装风格: |
| LA77000V-TLM-E | 功能描述:调节器/解调器 RoHS:否 制造商:Texas Instruments 封装 / 箱体:PVQFN-N24 封装:Reel |
| LA7710 | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:SECAM,PAL (Quasi-Parallel) Audio IF Circuit |
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