ICs for VCR
AN2492FH
s Electrical Characteristics at VCC = 4.8 V, Ta = 25°C (continued)
Parameter
Symbol
Conditions
Min Typ Max Unit
Line noise canceller frequency fLNC2 Input: −30 dB
characteristics 2
−15.0 −8.5 −3.0 dB
Line noise canceller (off)
fLNC3
C-BPF frequency characteristics 1 fBP1
Input: −30 dB
Input: 100 mV[p-p],
output: 3.28 MHz/3.58 MHz
−1.5 0 1.5 dB
−2.5 − 0.5 −1.5 dB
C-BPF frequency characteristics 2 fBP2
Input: 100 mV[p-p],
output: 3.88 MHz/3.58 MHz
−2.5 − 0.5 −1.5 dB
C-BPF frequency characteristics 3 fBP3
Input: 100 mV[p-p],
output: 2.09 MHz/3.58 MHz
−20 dB
C-BPF frequency characteristics 4 fBP4
Input: 100 mV[p-p],
output: 5.07 MHz/3.58 MHz
−20 dB
REC APC pull-in range 1
+∆fSC Input: fSC +300 Hz
Pin 4 output (specified Xtal)
275 Hz
REC APC pull-in range 2
−∆fSC Input: fSC −300 Hz
Pin 4 output (specified Xtal)
−275 Hz
Xtal output amplitude
Xtal oscillation frequency
ACC output amplitude
ACC control characteristics
ACC maximum gain
C ACC output characteristics
VFSC Pin 4 output, at lock (specified Xtal) 320 520 720 mV[p-p]
fSC Pin 4 frequency deviation at PB
−50 50 Hz
VAC Pin 34 input, pin 15 output (test 3) 350 450 600 mV[p-p]
∆VAC Level ratio of −14 dB to 6 dB input −2.0 0 2.0 dB
VACM Input/output level ratio
14 20 dB
VCAC Output burst ratio at input chroma
signal 0 dB and −14 dB
1.0 3 5.0 dB
Burst emphasis amount
VBU
Burst de-emphasis amount
VBD
Chroma de-emphasis characteristics 1 VCE1
Chroma de-emphasis characteristics 2 VCE2
Chroma de-emphasis characteristics 3 VCE3
Chroma de-emphasis characteristics 4 VCE4
REC chroma out level 1
VRCO1
REC chroma out level 2
VRCO2
Color killer on level
CKON
Pin 34 input, pin 15 output
Pin 17 input, pin 13 output
Input: 0 dB, output: fsc +500/fsc
Input: 0 dB, output: fsc −500/fsc
Input: −10 dB, output: fsc −500/fsc
Input: −10 dB, output: fsc +500/fsc
Pin 16 = 0 V, pin15 output
Pin 16 = 4.8 V, pin 15 output
Pin 34 input signal, 100 mV[p-p] →
2 mV[p-p], pin15 output DC
4.0 6.0 8.0 dB
−8.5 −6.0 −3.5 dB
−3.3 1.3 dB
−3.3 1.3 dB
−5.8 −1.0 dB
−5.8 −1.0 dB
100 mV[p-p]
230 mV[p-p]
0.4 V
Color killer off level
CKOFF Pin 34 input signal, 0 mV[p-p] →
40 mV[p-p], pin15 output DC
1.5 1.9 2.3 V
PB APC pull-in range 1
PB APC pull-in range 2
CNR characteristics 1
∆fXO1 Pin 40, pin 17 input, pin 13 output −100 100 Hz
∆fXO2 Pin 40, pin 17 input, pin 13 output −100 100 Hz
CNR3 Pin 40 white 50%, pin 52: B+C signal input −13 −9 −5.5 dB
CNR characteristics 2
CNR4 Pin 40 white 50%, pin 52: B+C signal input −13 −9 −5.5 dB
PB burst level
Clip comp. gain
VPBC
VCG
Pin 13 output burst level
Input pin 63, pin 41 output
110 200 280 mV[p-p]
−8.5 −6 −3.5 dB
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