TDA8295, TDA8295HN/C1 557, TDA82T1 Selling Leads, Datasheet
MFG:NXP Package Cooled:DIP D/C:01+
TDA8295, TDA8295HN/C1 557, TDA82T1 Datasheet download
Part Number: TDA8295
MFG: NXP
Package Cooled: DIP
D/C: 01+
TDA8295, TDA8295HN/C1 557, TDA82T1
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Info of TDA8295
Info of TDA8295HN/C1 557
Info of TDA82T1
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About TDA8295HN
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Datasheet: TDA8295HN
File Size: 486348 KB
Manufacturer: NXP [NXP Semiconductors]
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About TDA 4601
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Datasheet: TDA 4601
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About TDA 4601
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Datasheet: TDA 4601
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TDA8295 General Description
The TDA8295 is an alignment-free digital multistandard vision and sound low IF signal PLL demodulator for positive and negative video modulation including AM and FM mono sound processing. It can be used in all countries worldwide for M/N, B/G/H, I, D/K,L and L-accent standard. CVBS and SSIF/mono audio is provided via two DACs. FM radio preprocessing is included for simple interfacing with demodulator/stereo decoder backends.
The IC is especially suited for the application with the NXP Silicon Tuner TDA8275A or TDA1827x.All the processing is done in the digital domain.
The chip has an 'easy programming' mode to make the I2C-bus protocol very simple. In principle, only one bit sets the proper standard with recommended content. However, if this is not suitable, free programming is always possible.
TDA8295 Maximum Ratings
|
Symbol |
Parameter |
Conditions |
Min |
Max |
Unit |
|
VDDDC(1V2) |
core digital supply voltage (1.2 V) |
-0.5 |
+3.32 |
V | |
|
VDDA(ADC)(3V3) |
ADC analog supply voltage (3.3 V) |
-0.5 |
+5.63 |
V | |
|
VDDA(PLL)(1V2) |
PLL analog supply voltage (1.2 V) |
-0.5 |
+3.32 |
V | |
|
VDDA(OSC)(1V2) |
oscillator analog supply voltage (1.2 V) |
-0.5 |
+3.32 |
V | |
|
Vi |
input voltage | pins IF_POS and IF_NEG |
-0.5 |
+5.63 |
V |
| digital input pins (5 V tolerant) |
-0.5 |
+7.5 |
V | ||
| pin XIN |
-0.5 |
+4.0 |
V | ||
|
Tlead |
lead temperature |
- |
300 |
°C | |
|
Ptot |
total power dissipation | Tamb = 70 °C |
- |
0.5 |
W |
|
Tstg |
storage temperature |
-40 |
+125 |
°C | |
|
Tj |
junction temperature |
- |
125 |
°C | |
|
Tamb |
ambient temperature |
0 |
70 |
°C | |
|
Vesd |
electrostatic discharge voltage | pins SDA, SCL, SADDR0 and SADDR1; machine model |
- |
±150 |
V |
| all other pins; machine model |
±200 |
V |
[1] Stresses above the absolute maximum ratings may cause permanent damage to the device. Exposure to absolute maximum ratings conditions for extended periods may affect device reliability.
[2] The maximum allowed ambient temperature Tamb depends on the assembly condition of the package and especially on the design of the PCB. The application mounting must be done in such a way that the maximum junction temperature Tj(max) is never exceeded.
[3] Class A according to EIA/JESD22-A115.
[4] Class B according to EIA/JESD22-A115.
TDA8295 Features
· Digital IF demodulation for all analog TV standards worldwide (M/N, B/G/H, D/K, I,L and L-accent standard)
· Multistandard true synchronous demodulation with active carrier regeneration
· Alignment-free
· 16 MHz typical reference frequency input (from low IF tuner) or operating as crystal oscillator
· Internal PLL synthesizer which allows the use of a low-cost crystal (typically 16 MHz)
· Especially suited for the NXP Silicon Tuner TDA8275A or TDA1827x
· No SAW filter needed
· Low application effort and external component count in combination with the TDA8275A or TDA1827x
· Pin compatible with predecessor TDA8290
· Simple upgrade of TDA8290 possible
· 12-bit IF ADC on chip running with 54 MHz or 27 MHz
· Two 10-bit DACs on chip for CVBS and SSIF or audio
· Easy programming for I2C-bus
· High flexibility due to various I2C-bus programming registers
· I2C-bus interface and I2C-bus feed-through for tuner programming
· Four I2C-bus addresses selectable via two external pins
· Gated IF AGC acting on black level by using H/V PLL or peak IF AGC (I2C-bus selectable)
· Internal digital logarithmic IF AGC amplifier with up to 48 dB gain and 68 dB control range
· Switchable IF PLL and IF AGC loop bandwidths
· Precise AFC and lock detector
· Accurate group delay equalization for all standards
· Very robust IF demodulator coping with adverse field conditions
· Wide PLL pull-in range up to ±1660 kHz (I2C-bus selectable)
· CVBS and SSIF or audio output with simple postfilter (capacitor only)
· CVBS gain levelling stage to provide nearly constant signal amplitude during overmodulation
· Video equalizer with eight settings
· Nyquist filter in video baseband
· Excellent video S/N (typically 62 dB weighted)
· High selectivity video low-pass filter for all standards
· Low video into sound crosstalk
· Sound performance comparable to QSS single reference concepts
· AM/FM mono sound demodulator
· Switchable de-emphasis
· Excellent FM sound
· Good AM sound
· High FM Deviation mode for China
· Preprocessing of FM radio (mono and stereo) with highly selective digital band-pass filter
· No ceramic filter or external components needed for FM radio
· FM radio available in mono
· Automatic or forced mute for mono sound
· Automatic or forced blank for video
· Mostly digital FIR filter implementation (NSC notches and video low-pass filters)
· Three GPIO pins
· Low total power dissipation (typically 324 mW)
· Standby mode (typically 7 mW)
· 40-pin HVQFN package
· CMOS technology (0.12 mm 1.2 V and 3.3 V)
· Multistandard true synchronous demodulation with active carrier regeneration
· Alignment-free
· 16 MHz typical reference frequency input (from low IF tuner) or operating as crystal oscillator
· Internal PLL synthesizer which allows the use of a low-cost crystal (typically 16 MHz)
· Especially suited for the NXP Silicon Tuner TDA8275A or TDA1827x
· No SAW filter needed
· Low application effort and external component count in combination with the TDA8275A or TDA1827x
· Pin compatible with predecessor TDA8290
· Simple upgrade of TDA8290 possible
· 12-bit IF ADC on chip running with 54 MHz or 27 MHz
· Two 10-bit DACs on chip for CVBS and SSIF or audio
· Easy programming for I2C-bus
· High flexibility due to various I2C-bus programming registers
· I2C-bus interface and I2C-bus feed-through for tuner programming
· Four I2C-bus addresses selectable via two external pins
· Gated IF AGC acting on black level by using H/V PLL or peak IF AGC (I2C-bus selectable)
· Internal digital logarithmic IF AGC amplifier with up to 48 dB gain and 68 dB control range
· Switchable IF PLL and IF AGC loop bandwidths
· Precise AFC and lock detector
· Accurate group delay equalization for all standards
· Very robust IF demodulator coping with adverse field conditions
· Wide PLL pull-in range up to ±1660 kHz (I2C-bus selectable)
· CVBS and SSIF or audio output with simple postfilter (capacitor only)
· CVBS gain levelling stage to provide nearly constant signal amplitude during overmodulation
· Video equalizer with eight settings
· Nyquist filter in video baseband
· Excellent video S/N (typically 62 dB weighted)
· High selectivity video low-pass filter for all standards
· Low video into sound crosstalk
· Sound performance comparable to QSS single reference concepts
· AM/FM mono sound demodulator
· Switchable de-emphasis
· Excellent FM sound
· Good AM sound
· High FM Deviation mode for China
· Preprocessing of FM radio (mono and stereo) with highly selective digital band-pass filter
· No ceramic filter or external components needed for FM radio
· FM radio available in mono
· Automatic or forced mute for mono sound
· Automatic or forced blank for video
· Mostly digital FIR filter implementation (NSC notches and video low-pass filters)
· Three GPIO pins
· Low total power dissipation (typically 324 mW)
· Standby mode (typically 7 mW)
· 40-pin HVQFN package
· CMOS technology (0.12 mm 1.2 V and 3.3 V)
TDA8295 Typical Application
· PC TV applications
· DVD recorders
· DVD recorders
TDA8295 Connection Diagram
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