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AN5095K View Datasheet(PDF) - Panasonic Corporation

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AN5095K Datasheet PDF : 36 Pages
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ICs for TV
AN5095K
s Electrical Characteristics at Ta = 25°C (continued)
Design reference data (continued)
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter
Symbol
Conditions
Min Typ Max
DAC
3-bit, 6-bit, 7-bit DAC DNLE L3,6,7 1LSB = {data (max.) data (00)}
/7, 63, 127
0.1 1.0 1.9
8-bit DAC DNLE
L8 1LSB = {data (FF) data (00)} /255 0.1 1.0 1.9
(7F 80 excluded)
8-bit DAC DNLE (80)
L8-80 LSB = {data (FF) data (00)} /255
(7F 80)
0.1 1.0 2.9
AFT DAC overlap
Step 8-bit of AFT double-stage changeover overlap 27 32 37
Unit
LSB/
Step
LSB/
Step
LSB/
Step
Step
Explanation of test methods
*1: RF AGC delay point adjusting range: VRFdp
[dBµ]
110
00
100
3F
80
In the case of VIF gain reduction curve (figure 1), if the RF
AGC delay point adjustment DAC (0 A) goes 00 to 3F, the
internal comparison voltage changes by V, and the delay point
adjustment range is determined.
49 V
[V]
IF AGC terminal level
Figure 1. Gain reduction curve
*2: AFT discrimination sensitivity: µAFT
Adjust DAC (0C-D7) and DAC (09) so that the AFT output voltage (V30) becomes approx. 4.5 V when fP =
38.9 MHz.
Measure V30 when fP = 38.9 MHz ±25 kHz.
*3: Refer to "s Technical Information 4. 7) PAL/NTSC, SECAM interface".
*4: Black noise detection level: VBN
Black noise clamp level: VBNC
VBNC
VP
VBN
Figure 2. Black noise rejection characteristic
*5: Inter modulation: IM
Apply the signal of fP = 38.9 MHz, 90 dBµ and fix the voltage of pin 37 (IF AGC) under that condition.
fP = 38.9 MHz, 82 dBµ
fP = 38.9 MHz 4.43 MHz, 80 dBµ 
fP = 38.9 MHz 6.0 MHz, 70 dBµ
Input those 3 signals and measure 1.57 MHz component of the
detection output.
vieo component [rms]
IM = 20Log V1.57 MHz [rms]
15
 

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