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PDF TA1326FNG Data sheet ( Hoja de datos )
| Número de pieza | TA1326FNG | |
| Descripción | UHF Band RF Modulator IC | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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TA1326FNG
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA1326FNG
UHF Band RF Modulator IC for VTRs
The TA1326FNG is a UHF band RF modulator IC that features
PLL-based RF carrier and audio intercarrier oscillation.
The TA1326FNG is compatible with PAL and NTSC television
systems and is lower in cost than TA1243 or TA1297 Series
devices.
Features
• PLL-based RF oscillator for full UHF band operation
(channels 21~69)
SSOP16-P-225-0.65B
Weight: 0.07 g (typ.)
• PLL-based audio intercarrier oscillator which can support both PAL and NTSC television systems without any
adjustment
Formats supported: M/G/H/I/D
• Mode control using I2C bus
RF carrier frequency (10 bits, in 1-MHz steps)
Audio intercarrier frequencies (4.5 MHz, 5.5 MHz, 6.0 MHz and 6.5 MHz)
P/S ratio setting (−10dB to −17dB in 1dB steps)
• Test pattern generator
• White Clip Through Mode
• Muted RF output on power-on and as required
• Terminal of Package is improved to Lead-Free.
eet4U.comPins numbered 2 and 7 of this product are sensitive to electrostatic discharge. When handling this product, protect
hthe environment to avoid electrostatic discharge.
.DataS 1
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Pin
No.
Name
DC Voltage AC Voltage
(typ.)
(typ.)
15
Sound PLL
loop filter
15
16 Digital VCC (5 V)
Interface
2 kΩ
TA1326FNG
Note
D.VCC
Sound VCO oscillation
fwreitqhuIe2Cncbyuiss
compared
intercarrier
sound setting frequency,
and the error is outputted
by Charge pump.
LPF for high frequency
rejection is connected to
this terminal. And the
voltage for sound VCO
D.GND control is generated.
The reference frequency
is 20.8 kHz.
Digital power supply
I2C-Bus Data Format
MSB
Address Byte ADR
Control Byte 1 C1
Control Byte 2 C2
Prog.Data Byte 1 PD1
Prog.Data Byte 2 PD2
1100
1 (Note 3) (Note 3) (Note 3)
WO
PSA
(Note 3)
FA1
0
TPSG
N9
N8
N3 N2 N1 N0
Note 3: Don’t care
Bus data transmission
• ADR + C1 + C2 + PD1 + PD2
• ADR + PD1 + PD2 + C1 + C2
• ADR + C1 + C2
• ADR + PD1 + PD2
1
PS2
FA0
N7
RM1
LSB
0
PS1
(Note 3)
N6
RM0
1
PS0
(Note 3)
N5
0
0
(Note 3)
(Note 3)
N4
TEST
ACK
ACK
ACK
ACK
ACK
ACK
1. PS2~PS0: Picture-to-sound ratio setting
P/S Ratio
−10dB
−11dB
−12dB
−13dB
−14dB
m−15dB
o −16dB
www.DataSheet4U.c −17dB
PS2 PS1
00
00
01
01
10
10
11
11
5
PS0
0
1
0
1
0
1
0
1
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TA1326FNG
No. Characteristics
Symbol
Min Typ. Max Unit
Note
3-1 TPSG modulation depth
3-2 TPSG V/S ratio
3-3-1
TPSG horizontal sync
signal cycle
TPSG
Block
3-3-2
3-4
TPSG horizontal sync
signal width
TPSG white signal width
3-5-1
TPSG SYNC-1st signal
time
3-5-2
TPSG SYNC-2nd signal
time
4-1 P/S ratio
mp (TPSG)
V/S
Tsync
Wsync
Wwhite
W1
W2
RP/S
4-2-1
Minimum variable range of
P/S ratio
∆RP/ Smin
4-2-2
Maximum variable range of
P/S ratio
∆RP/ Smax
Sound modulation
4-3-1 sensitivity (5.5 MHz/6.0
MHz/6.5 MHz)
βFM1
4-3-2
Sound modulation
sensitivity (4.5 MHz)
Sound
Block
4-4-1
Sound S/N ratio
(5.5 MHz/6.0 MHz/6.5 MHz)
βFM2
S/N (FM1)
4-4-2 Sound S/N ratio (4.5 MHz) S/N (FM2)
4-5 Sound distortion
4-6 Sound frequency responce
4-7-1 Sound 2nd harmonic level
4-7-2 Sound 3rd harmonic level
4-8
Sound carrier frequency
accuracy
THD
fs
VSH1
VSH2
∆fs
75 80 85
2.0 2.4 2.8
62 64 66
3.6 4.0 4.4
3.6 4.0 4.4
22 24 26
38 40 42
−15 −13 −11
−19 −17 −15
−12 −10
−8
0.257 0.285 0.313
0.129 0.143 0.156
55 59
51 56
0.25 0.5
±1 ±2
−70 −65
−70 −65
±750
% TPSG Mode
% TPSG Mode
µs TPSG Mode
µs TPSG Mode
µs TPSG Mode
µs TPSG Mode
µs TPSG Mode
P/S ratio: −13dB set-up,
dB staircase (B/W) signal:
0.5-Vp-p input
P/S ratio: −17dB set-up,
dB staircase (B/W) signal:
0.5-Vp-p input
P/S ratio: −10dB set-up,
dB staircase (B/W) signal:
0.5-Vp-p input
KHz/
mV
1-kHz sine wave:
350 mVp-p input
βFM = ∆f (kHz)/ 350 (mV)
KHz/
mV
1-kHz sine wave:
350 mVp-p input
βFM = ∆f (kHz)/ 350 (mV)
1-kHz sine wave input,
dB ±50 kHz Dev. = 0dB Inter Carrier
demod., De-Emph = IN
1-kHz sine wave input,
dB ±25 kHz Dev. = 0dB Inter Carrier
demod., De-Emph = IN
%
1-kHz sine wave: ±50 (25) kHz
Dev.
dB 100 Hz~15 kHz, 1-kHz reference
dB
P/S ratio = −13dB set-up,
video carrier level reference
dB
P/S ratio = −13dB set-up,
video carrier level reference
Hz X’tal series capacitance: 6 pF
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