NTE855 데이터 시트보기 (PDF) - NTE Electronics
부품명
상세내역
일치하는 목록
NTE855 Datasheet PDF : 3 Pages
| |||
Electrical Characteristics: (VCC = 5V, TA = +25°C unless otherwise specified)
Parameter
Test Conditions
Min Typ Max Unit
Operating Supply Voltage
4.75 5.00 5.25 V
Supply Current
– 25 – mA
Chroma Oscillator/Clock Driver (Measured at Pin1 unless otherwise specified)
Output Voltage, LOW
– – 0.4 V
Output Voltage, HIGH
2.4 – –
V
Rise Time
V1 = 0.4V to 2.4V
– – 50 ns
Fall Time
V1 = 2.4V to 0.4V
– – 50 ns
Duty Cycle Adjustment Range
V3 = 5V, Measured at V1 = 1.4V 70 – 30 %
Inherent Duty Cycle
No connection to Pin3
– 50 –
%
Chroma Modulator (V5 = V6 = V7 = 1.5V unless otherwise specified)
Input Common–Mode Voltage Range Pin5, Pin6, Pin7
0.8 – 2.3 V
Oscillator Feedthrough
Modulation Angle
Measured at Pin8
(V7 =2V) – (V5 = 2V)
– 15 31 mV(p–p)
85 100 115 deg
Conversion Gain
Input Current
V8/(V7 – V6); V8/(V5 – V6)
Pin5, Pin6, Pin7
– 0.6 – V(p–p)/V
– – –20 µA
Input Resistance
Pin5, Pin6, Pin7
100 – –
kΩ
Input Capacitance
Pin5, Pin6, Pin7
––5
pF
Chroma Modulator Linearity
V5 = 1V to 2V, V7 = 1V to 2V
– 40 –
%
RF Modulator
Luma Input Dynamic Range
Pin9
0 – 1.5 V
RF Output Voltage
Luma Conversion Gain
f = 67.25MHz, V9 = 1V
V9 = 0.1V to 1.oV
– 15 – mVrms
– 0.8 – V/V
Chroma Conversion Gain
Chroma Linearity
Luma Linearity
Input Current
V10 = 1.5Vp–p, V9 = 1V
Pin12, V10 = 1.5Vp–p
Pin12, V9 = 0 to 1.5Vp–p
Pin9
– 0.95 – V/V
–1–
%
–2–
%
– – –20 µA
Input Resistance
Pin9
– 800 –
Ω
Pin10
100 – –
kΩ
Input Capacitance
Pin9, Pin10
––5
pF
Residual 920kHz
Measured at Pin12, Note 1
– 50 –
dB
Output Current
Pin12, V9 = 0
– 1 – mA
Temperature Characteristics (VCC = 5V, TA = 0° to +70°C, IC only)
Chroma Oscillator Deviation
fo = 3.579545MHz
RF Oscillator Deviation
fo = 67.25MHz
Clock Drive Duty Stability
– ±50 –
Hz
– ±250 – kHz
±5 – –
%
Note 1. V9 = 1V, VC = 300mVp–p @ 3.58MHz, VS = 250mVp–p @ 4.5MHz, Source Impedance = 75Ω.
Share Link: 