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TDA4670

Features: · Luminance signal delay from 20 to 1100 ns (minimum step 45 ns)· Luminance signal peaking with selectable symmetrical overshoots· 2.6 or 5 MHz peaking centre frequency and selectable degree of peaking (-3, 0, +3 and +6 dB)· Selectable noise reduction by coring· Handles negative and posi...

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SeekIC No. : 004516369 Detail

TDA4670: Features: · Luminance signal delay from 20 to 1100 ns (minimum step 45 ns)· Luminance signal peaking with selectable symmetrical overshoots· 2.6 or 5 MHz peaking centre frequency and selectable degr...

TDA4670 Data Sheet

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Part Number:
TDA4670
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Luminance signal delay from 20 to 1100 ns (minimum step 45 ns)
· Luminance signal peaking with selectable symmetrical overshoots
· 2.6 or 5 MHz peaking centre frequency and selectable degree of peaking (-3, 0, +3 and +6 dB)
· Selectable noise reduction by coring
· Handles negative and positive colour-difference signals
· Selectable Colour Transient Improvement (CTI) to decrease the colour-difference signal transient times to those of the high frequency luminance signals
· Selectable 5 or 12 V sandcastle input voltage
· All controls selected via the I2C-bus
· Timing pulse generation for clamping and delay time control synchronized by sandcastle pulse
· Automatic luminance signal delay correction using a control loop
· Luminance and colour-difference input signal clamping with coupling capacitor
· 4.5 to 8.8 V supply voltage range
· Minimum of external components required.


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VP1 supply voltage (pin 1)   0 8.8 V
VP2 supply voltage (pin 5)   0 8.8 V
Ptot total power dissipation   0 0.97 mA
Tstg storage temperature   -25 +150 A
Tamb operating ambient temperature   0 70
VESD electrostatic handling
for pins 9 and 10
for other pins		 note 1 -
-
-		 +300
-500
±500		 V
V
V
Note
1. Equivalent to discharging a 200 pF capacitor through a 0 series resistor.


Description

The TDA4670 delays the luminance signal and improves colour-difference signal transients. Additionally, the luminance signal can be improved by peaking and noise reduction (coring).


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