TA1372FNG Datasheet, PDF (8/15 Pages) Toshiba Semiconductor – VHF Band RF Modulator IC for VCRs and Set top boxes

TA1372FNG
Electrical Characteristics (V_CC = 5.0 V, Ta = 25°C, When there is no indication of
conditions f_p = 61.25 MHz)
No.
Characteristics
Symbol Min Typ. Max Unit
Note
1-1 Supply voltage
Vcc
1-2
Entire _1-3
IC
Operating frequency range fop
Supply current 1
Icc1
(Normal mode)
1-4 Supply current 2
Icc2
(Carrier off mode)
2-1-1 Video RF output level
Vo
2-1-2
2-2
2-3
2-4
Video RF output level
(Difference of channel)
Video modulation depth
White clipping level
Differential gain
ΔVo
mp
mpMAX
DG
2-5 Differential phase
DP
2-6 Video S/N ratio
mpS/N
2-7
2-8
Video
Block
2-9
2-10
Video frequency responce
Average picture level drift
Sync crush level
Chroma beat
fv
mp(APL)
Δsync
Vc
2-11-1 Video RF 2nd harmonic
2-11-2 Video RF 3rd harmonic
2-11-3 Video RF 4th harmonic
2-12 Video harmonic
V2fp
V3fp
V4fp
Vph
2-13-1 Video carrier frequency
accuracy 1
2-13-2 Video carrier frequency
accuracy 2
Δfp4
Δfp358
4.5
61.25
38
5.0 5.5
- 67.25
45 51
V
MHz
mA
fp frequency
Normal moe,IANT SW=0mA
2.5 3.5 4.5 mA Carrier off mode
90 93 96 dBμV 50-Ω termination, staircase (B/W) signal,
0.5-Vp-p input
-1.2 0.2 0.8
dB 50-Ω termination, staircase (B/W) signal,
0.5-Vp-p input, Vo(3ch) – Vo(4ch)
76 80 84
% White signal:0.5Vp-p input
88 92 96
% White signal:1.0Vp-p input
-5
0 +5
% 10-step staircase signal: 0.5-Vp-p input
(chroma signal = 20 IRE), 9th step
-5
0 +5
° 10-step staircase signal: 0.5-Vp-p input
(chroma signal = 20 IRE), 9th step
50 51.5 -
dB 0.1 MHz~4.2 MHz, unweighted,
50% White signal input
-2.4 -0.4 1.6 dB 0.1 MHz~4.2 MHz, referenced to 1 MHz
-3
0 +3
% 10%~90% APL, referenced to 50%,
variation in video modulation depth
-
1
3
% {1 − (Vsync/Vwhite) × (100/40)}
-
-75 -70 dB 3.58MHz sine wave: 0.5-Vp-p input,
Referenced to video carrier level,
P/S ratio = −16dB
-
-35 -30 dB Referenced to video carrier level
-
-33 -28 dB Referenced to video carrier level
-
-55 -50 dB Referenced to video carrier level
-
-53 -50 dB 1MHz sine wave: 0.5-Vp-p input,
Referenced to fp+1MHz level,
Level of fp+2MHz
-50
0
50 kHz Reference frequency 4MHz, Internal
oscillation mode, Series capacitance of
crystal : 6pF
-0.008 -
+34 kHz Reference frequency 3.579545MHz,
External signal input mode
8
2003-12-25