TA1372FNG Datasheet, PDF (9/15 Pages) Toshiba Semiconductor – VHF Band RF Modulator IC for VCRs and Set top boxes

TA1372FNG
No.
Characteristics
3-1-1 Picture to Sound ratio
Symbol
RP/S
3-1-2 Picture to Sound ratio
(Difference of channel)
ΔRP/S
3-2-1 Maximum P/S ratio
RP/S max
3-2-2 Minimum P/S ratio
RP/S min
3-3 Sound modulation sensitivity βFM
3-4-1
Sound
Block
3-4-2
Sound S/N ratio 1
Sound S/N ratio 2
(with video signal)
S/N(FM1)
S/N(FM2)
3-5
3-6
3-7
3-8-1
Sound distortion
Sound frequency response
Maximum FM deviation
Sound RF 2nd harmonic
THD
fs
ΔDev
VSH1
3-8-2 Sound RF 3rd harmonic
VSH2
3-9-1 Sound carrier frequency
accuracy 1
Δfs4
3-9-2
Logic 4-1-1
Block
4-1-2
4-2-1
4-2-2
4-3-1
4-3-2
4-3-3
4-4
4-5-1
4-5-2
Sound carrier frequency
accuracy 2
Δfs358
Input voltage Low level for
channel selection
ViL1
Input voltage High level for ViH1
channel selection
Input voltage Low level for
Carrier off mode selection
ViL2
Input voltage High level for ViH2
Carrier off mode selection
Input voltage Low level for
reference signal mode
selection
ViL3
Input voltage Middle level for ViM3
reference signal mode
selection
Input voltage High level for
reference signal mode
selection
ViH3
Threshold voltage for
power-on reset
VRESET
Input voltage Low level for VIl4
Test mode selection
Input voltage High level for ViH4
Test mode selection
Min Typ. Max Unit
Note
-18 -16 -14
dB P/S ratio: −16dB set-up, Connecting a
16k ohm resistor between pin 10 and
GND. staircase (B/W) signal: 0.5-Vp-p
input
-0.5 0 0.5 dB P/S ratio: −16dB set-up, Connecting a
16k ohm resistor between pin 10 and
GND. staircase (B/W) signal: 0.5-Vp-p
input, RP/S (3ch) –RP/S (4ch)
-11 -9
-
dB P/S ratio: maximum set-up,
Pin 10 is open.
staircase (B/W) signal: 0.5-Vp-p input
-
-18 -16 dB P/S ratio: minimum set-up, Pin 10 is
connected to GND.
staircase (B/W) signal: 0.5-Vp-p input
0.27 0.3 0.33 kHz/mV 1-kHz sine wave: 167 mVp-p input
βFM = ∆f (kHz)/ 167 (mV)
51 52.5 -
dB 1-kHz sine wave input,
±25 kHz Dev. = 0dB, Inter Carrier
demod., De-Emph = IN
50 51.5 -
dB 1-kHz sine wave input,
±25 kHz Dev. = 0dB, Color bar signal:
0.5-Vp-p input, Inter Carrier demod.,
De-Emph = IN
-
0.3 0.5
% 1-kHz sine wave: ±25kHz Dev.
-2
0
2
dB 100 Hz~100 kHz, 1-kHz reference
400 450 -
% 1-kHz sine wave input, THD<3%
-
-70 -65 dB P/S ratio = −16dB set-up,
Video carrier level reference
-
-75 -70 dB P/S ratio = −16dB set-up,
Video carrier level reference
-750 0 750 Hz Reference frequency 4MHz, Internal
oscillation mode, Series capacitance of
crystal : 6 pF
-0.6
-
-
Hz Reference frequency 3.579545MHz,
External signal input mode
0
- 1.7
V Pin 8: Low:67.25MHz,
Open,High:61.25MHz
2
- Vcc
V Pin 8
0
- 1.7
V Pin 6 Low,Open : Carrier off ,
Antenna SW Out Low
2
- Vcc
V Pin 6 High : Carrier on ,
Antenna SW Out High
0
- 1.2
V Pin 1 Low : Internal oscillation mode with
4MHz X'tal
1.8 2.5 3.2
V Pin 1 Middle : 3.58MHz External signal
input mode
3.8
- Vcc
V Pin 1 Open,High : 4MHz External signal
input mode
2.5 2.8 3.1
V
0
- 1.2
V Pin 5 Low : Normal mode
1.8
- Vcc
V Pin 5 High : Test mode
9
2003-12-25