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參數(shù)資料
| 型號(hào)： | LA7357 |
| 元件分類(lèi)： | 接收器 |
| 英文描述： | AM, VIDEO DISCRIMINATOR, PDIP10 |
| 封裝： | SDIP-10 |
| 文件頁(yè)數(shù)： | 2/6頁(yè) |
| 文件大小： | 105K |
| 代理商： | LA7357 |
No. 5654-2/6
LA7357
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Current drain
ICC1
Pin 5 = ground, pin 7 influx current: T4 output
7.0
10.0
13.0
mA
ICC2
Pin 5 = VCC, pin 7 influx current: T4 output
7.5
10.5
13.5
mA
The pin 5 voltage when the pin 2 output
appears when slowly raising the voltage
BGP threshold level
BTH
applied to pin 5 from 0 V.
2.2
2.5
2.8
V
The input signal should be 300 mVp-p:
T2 output
The pin 5 voltage when the pin 2 output
appears when slowly lowering the voltage
SYNC threshold level
STH
applied to pin 5 from 5 V.
0.6
0.8
1.0
V
The input signal should be 300 mVp-p:
T2 output
Stipulated as the output ratio when a
Input limiter amplifier gain
LIMG
10 mVp-p amplitude sine wave is input to
9
12
15
dB
pin 1: T2 output
Measure the output amplitude when a
Input limiter amplifier level
LIMD
300 mVp-p amplitude sine wave is input to
150
190
230
mVp-p
pin 1: T2 output
The V1 level when T1 switches from low to
Comparator hysteresis high-level voltage
Comp H
high when slowly raising V1 from 0 V: T1
2.7
3.0
3.3
V
output
The V1 level when T1 switches from high to
Comparator hysteresis low-level voltage
Comp L
low when slowly lowering V1 from 5 V: T1
2.0
2.3
2.6
V
output
DET-OUT output high-level voltage
DETH
With a 2-k
load: T1 output
3.6
4.0
4.4
V
DET-OUT output low-level voltage
DETL
With a 2-k
load: T1 output
0
0.2
0.4
V
Operating Characteristics at Ta = 25°C, VCC = 5 V
Switching Conditions
Symbol
Input signal
Input pulse
Applied voltage
Switch states
S1
S2
S3
S4
V1
V2
SW1
SW2
SW3
SW4
SW5
ICC1
No signal
0 V
Off
ICC2
No signal
5 V
Off
BTH
Sig.1
No signal1
0 V
Variable DC level
On
Off
On
Off
STH
No signal
Sig.1
0 V
Variable DC level
On
Off
On
Off
LIMG
Sig.1
No signal
5 V
0 V
On
Off
LIMD
Sig.1
No signal
5 V
0 V
On
Off
On
Comp H
No signal
Variable DC level
Off
On
Off
On
Comp L
No signal
Variable DC level
Off
On
Off
On
DETH
Sig.2
Sig.1
P2
P1
Off
On
DETL
Sig.3
Sig.1
P2
P1
Off
On
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