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Agamem Microelectronics Inc. ___________________________________________________________ PRELIMINARY Y/C MIX
FEATURE 1. Y/C mix circuit 2. Output and Chrominance muting function 3. Output protection function 4. SAG correction function 5. A load sufficient for driving two circuits 6. Low power consumption, 60mw typical 7. Internal voltage clamp circuit APPLICATION VCR Video Camera TV Video Player
AA8600AP
DESCRIPTION AA8600AP is a Y/C mix with 6db gain, 75 output buffer and SAG correction. The 75 buffer is capable of driving two circuits. The SAG could reduce the capacitance of output coupling capacitor. The Y signal is clamped input, while the C signal is biased input. The power saving circuit provides the output and chrominance muting function. The IC is available in 8-pin TSSOP. BLOCK DIAGRAM & PIN ASSIGNMENT
MUTE
1 Clamp
MUTE
8 VCC
YIN
2
6db Amp
75 Buff
7
OUT
GND
3 Bias
6
SAG
CIN
CHROMINANCE MUTE
4
5
MUTC
1
2006/7/5
Agamem Microelectronics Inc. ___________________________________________________________ PRELIMINARY Y/C MIX
PIN DESCRIPTION Symbol Pin-No Type MUTE YIN GND CIN MUTC SAG OUT VCC 1 2 3 4 5 6 7 8 I I O O I I Function Output is muted as this pin is set to high Composite Y input signal is clamped input Ground Chrominance C input signal is bias input Only chrominance output signal is muted as this pin is set to high SAG correction to reduce the capacitance of output coupling capacitor Y/C mix output. As it is less than 0.6V, the protect circuit is triggered to enable the power saving function Power supply
AA8600AP
ABSOLUTE MAXIMUM RATING Ta = 25 Parameter Supply Voltage Operating Ambient Temperature Storage Temperature Symbol Vcc Ta Ts Rating MIN TYP -0.3 -25 -55 MAX 8 75 125 UNIT V CONDITION
NOTE : Stress above those listed under "Absolute Maximum Rating" may cause
permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for the extended periods of time may affect device reliability.
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2006/7/5
Agamem Microelectronics Inc. ___________________________________________________________ PRELIMINARY Y/C MIX
ELECTRICAL CHARACTERISTICS Ta = 25 Parameter Supply Current Voltage Gain Frequency Characteristic Muting Attenuation Muting High Level Muting Low Level Input Impedance Muted Current SAG-Terminal Gain Differential Gain Differential Phase Symbol Icc Gv -1.5 Min Typ 12.6 -0.3 -0.5 -64 2.2 GND 15 20 1 48 1 1 2 2.5 Vcc 0.8 25 2.5 0.5 Max 20 Unit , Vcc = 5V Condition
AA8600AP
GF
MT VMH VML ZIN IM GSAG DG DP
mA No input Signal Input Signal Freq = dB 4.43MHz, 1VP-P, measure VO1 Input Signal Freq = dB 7MHz/1MHz, 1VP-P, measure VO1 Input Signal Freq = dB 4.43MHz, 1VP-P, measure VO1 V V K CIN, 50uA mA MUTE = `H' dB VIN = 1VP-P, refer staircase signal VIN = 1VP-P, refer deg staircase signal %
MUTE MODE Function Output Muting Chrominance Muting MUTE H L MUTC NA H
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Agamem Microelectronics Inc. ___________________________________________________________ PRELIMINARY Y/C MIX
MEASUREMENT CIRCUIT Vcc
1 0.8v 2 3 SW1
AA8600AP
2.2v
1 MUTE
VCC 8 + 47uF
0.1uF
1uF +
1 SW2 2.1v 2
A A
2 YIN OUT 7 To 100uF +
SW7
VO2 75 150 75 VO1
8 6 0
3 GND 0.1uF
1
0 A
SAG 6
Ts
22uF +
SW6 2.2v
400
0.6v
0.1uF
2 3
SW4
P
4 CIN MUTC 5
SW5 0.8v
4
2006/7/5
Agamem Microelectronics Inc. ___________________________________________________________ PRELIMINARY Y/C MIX
MEASUREMENT CONDITIONS Parameter Supply Current Voltage Gain Symbol Icc Gv SW Condition 1
2
AA8600AP
2
1
4
1
5
2
6
O
7
Measurement Method
C No signal input C
3
2
2
3
O
Frequency Characteristic
GF
3
1
2
3
O
C
Output Mute Chrominance Mute
MT MC
1
1
2
3
O
C
3
2
2
1
O
C
Input Impedance
ZIN
3
1
3
3
O
C
Muted Current
IM
1
1
1
2
O
C
3
2
2
3
O
C
AG Terminal Gain
GSAG
3 2 2 3 C O
Input a 4.43MHz, 1Vp-p sine wave from CIN and then measure the output level from VO1 GV1M : voltage gain at input frequency=1MHz GV7M : voltage gain at input frequency=7MHz GF=GV7M-GV1M Input a 4.43MHz, 1Vp-p sine wave and then measure the output level from VO1 Same as output muting Measure the input voltage VIS & the open voltage VIO when a 50uA is introduced. The ZIN = |VIS-VIO| / 50uA Measure the current of power supply when mute is set at high Measure the value of TS and To at the first as VS1 & VO1 and the value at second condition as VS2 & VO2, respectively. GSAG= 20log{(VS2 - VS1) / (VO2 - VO1) }
5
2006/7/5
Agamem Microelectronics Inc. ___________________________________________________________ PRELIMINARY Y/C MIX
APPLICATION With SAG
AA8600AP
1 MUTE A
A
1uF + Composite Y 2 YIN
VCC 8 + 47uF OUT 7 + 100uF 22uF
0.1uF 75
8 6
Chrominance C 0.1uF Without SAG
0 SAG 6 + 3 GND 0 A 4 CIN P MUTC 5
75
1 MUTE A 1uF + Composite Y 2 YIN
A 8 6 0 3 GND
VCC 8 + 47uF OUT 7 + 1000uF
0.1uF 75
SAG 6
75
Chrominance C 0.1uF
4 CIN
0 A P MUTC 5
6
2006/7/5
Agamem Microelectronics Inc. ___________________________________________________________ PRELIMINARY Y/C MIX
TSSOP 8L PACKAGE DIMENSION
AA8600AP
NOTES: 1. Package body sizes exclude mold flash protrusions or gate burrs 2. Tolerance 0.1 (4 mil) unless otherwise specified 3. Coplanarity:0.1 4. Controlling dimension is millimeter converted inch dimensions are not necessarily exact 5. Followed from jedec mo-153
SYMBOLS
A A1 A2 b C D E E1 e L y
DIMENSIONS IN MILLIMETERS DIMENSIONS IN INCHES MIN
--0.05 0.80 0.19 0.09 2.90 6.20 4.30 --0.45 --0
NOM
----1.00 ----3.00 6.40 4.40 0.65 0.60 -----
MAX
1.20 0.15 1.05 0.30 0.20 3.10 6.60 4.50 --0.75 0.10 8
MIN
--0.002 0.031 0.007 0.004 0.114 0.244 0.169 --0.018 --0
NOM
----0.039 ----0.118 0.252 0.173 0.026 0.024 -----
MAX
0.048 0.006 0.041 0.012 0.008 0.122 0.260 0.177 --0.030 0.004 8
7
2006/7/5

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