Sharp 70GS-61S - Ics ADITIONAL INFORMATION

21
70GS-61S
QUICK REFERENCE DATA
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
V
P
supply voltage note 1 4.75 5.00 5.50 V
I
P
supply current 52 61 70 mA
V
i(VIF)(rms)
VIF input signal voltage sensitivity
(RMS value)
−1 dB video at output − 60 100 µV
G
VIF(cr)
VIF gain control range see Fig.10 60 66 − dB
f
VIF
vision carrier operating frequencies see Table 28 − 33.4 − MHz
− 33.9 − MHz
− 38.0 − MHz
− 38.9 − MHz
− 45.75 − MHz
− 58.75 − MHz
∆f
VIF
VIF frequency window of digital
acquisition help
related to f
VIF
; see Fig.7 −±2.3 − MHz
V
o(v)(p-p)
video output signal voltage
(peak-to-peak value)
normal mode; see Fig.9 1.7 2.0 2.3 V
trap bypass mode;
see Fig.9
0.95 1.10 1.25 V
G
dif
differential gain “CCIR 17” ; note 2
B/G standard −−5%
L standard −−7%
ϕ
dif
differential phase “CCIR 17” − 2 4 deg
B
v(−3dB)(trap)
−3 dB video bandwidth including
sound carrier trap
C
L
< 20 pF; R
L
>1kΩ;
AC load; note 3
f
trap
= 4.5 MHz 3.95 4.05 − MHz
f
trap
= 5.5 MHz 4.90 5.00 − MHz
f
trap
= 6.0 MHz 5.40 5.50 − MHz
f
trap
= 6.5 MHz 5.50 5.95 − MHz
α
SC1
trap attenuation at first sound carrier M/N standard 30 36 − dB
B/G standard 30 36 − dB
S/N
W
weighted signal-to-noise ratio of
video signal
see Fig.5; note 4 56 59 − dB
PSRR
17
power supply ripple rejection at
pin 17
f
ripple
= 70 Hz; video signal;
grey level; positive and
negative modulation;
see Fig.8
20 25 − dB
B
v(−1dB)
−1 dB video bandwidth C
L
< 20 pF; R
L
>1kΩ;
AC load; trap bypass mode
56− MHz
AFC
stps
AFC steepness ∆I
21
/∆f 0.85 1.05 1.25 µA/kHz
V
o(AF)(rms)
audio output signal voltage at pin 8
(RMS value)
27 kHz FM deviation;
50 µs de-emphasis
430 540 650 mV
THD
audio
total harmonic distortion of audio
signal
27 kHz FM deviation;
50 µs de-emphasis
− 0.15 0.50 %
AM; m = 54% − 0.5 1.0 %
ICs ADITIONAL INFORMATION: TDA9886 (IC201)