m52340sp Mitsumi Electronics, Corp., m52340sp Datasheet - Page 21

• Manufacturer Part Number: m52340sp
• Description: Pal/ntsc System Shingle-chip Color Tv Signal Processor
• Manufacturer: Mitsumi Electronics, Corp.

ELECTRICAL CHARACTERISTICS TEST METHOD
P/N Video S/N
BW Video frequency characteristics
Vin min. Input sensitivity
Vin max. Maximum permissible input
V1HN
V1LN
5.0V
3.0V
P52
AFTN
AFTN is defined as follows:
AFTN=
P1
1MHz
1. Input SG3 and measure the rms value of output signal a
2. P/N is defined as follows:
1. Input SG4 and set the frequency f
2. Then set the applied voltage at pin 4 so that the beat
3. Decrease f2 to the level at which the beat element
1. Decrease SG5 level until the video detector output is 3dB
1. Input 90dBu SG6.
2. VA is the output level at pin 52. Increase SG6 voltage
V1HN
pin 52.
P/N = 20 log
the beat element of 1MHz is output to pin 52.
element of 1MHz at pin 52 may be 100dB .
becomes 3dB smaller than the element of 1MHz, and
read the value at that level.
smaller than the measured value of Parameter V3 "Video
detector output".
until the output at pin 52 becomes 3dB smaller than VA.
The input level at that time is the maximum permissible
input.
AFT detector sensitivity (NEG)
Maximum AFT voltage (NEG)
Minimum AFT voltage (NEG)
See the following figure.
(5.0-3.0)X10
37.9MHz
100dB
f KHz
3
mV
V
ONEG
Measured Value(mVrms)
f
(mV/KHz)
0
Measured Value(V
f
39.9MHz
V1LN
BW
PAL/NTSC SYSTEM SHINGLE-CHIP COLOR TV SIGNAL PROCESSOR
2
to 37.9MHz so that
P-P
)X10
f
3
3dB
(dB)
IM Intermodulation
ATT Maximum attenuation
LIM Input limiting sensitivity
AMR AMR
AF S/N AF S/N
Cn1 Standard chroma output 1 (PAL)
Cn2 Standard chroma output 2 (PAL)
ACC1 ACC characteristics 1
ACC2 ACC characteristics 2
2. Measure elements of 1.07MHz and 4.43MHz of output at
3. IM is defined as follows:
1. Measure the element of 400Hz of output at pin 46.
2. ATT is defined as follows:
Decrease the input level of SG18. Measure the input level
when the element of 400Hz at pin 46 is 3dB smaller than
V
1. Vam is the element of 400Hz at pin 46.
2. AMR is defined as follows:
1. Measure the noise (20Hz to 100KHz) of output at pin 46.
2. AF S/N is defined as follows:
1. Input SS4P to VI IN.
2. Measure output amplitude, Cn1 and Cn2, at pins 41 and
1. Input VS4P (eb=570mV:level+6dB) to VI IN.
2. Measure the output amplitude at pin 41.
3. ACC1 is defined as follows:
1. Input VS4P (input level:-20dB) to VI IN.
2. Measure the output amplitude at pin 41.
3. ACC2 is defined as follows:
1. Adjust the applied voltage at pin 4 so that the lowest
0AFM
P52
pin 52.
IM = 20 log
ATT = 20 log
AMR = 20 log
AF S/N = 20 log
43 respectively.
ACC1 = 20 log
ACC2 = 20 log
output signal voltage at pin 52 is 2.2V.
(S6:Maximum AF output (6.0M)).
Element of 1.07MHz
Element of 4.43MHz
Measured value
V
V
Measured value (V
Measured value (V
0AFS
V
Measured value
am
0AFmax
(mVrms)
V
(mVrms)
0AFmax
Cn1 (V
Cn1 (V
MITSUBISHI ICs (TV)
P-P
P-P
M52340SP
(dB)
)
)
(dB)
(dB)
P-P
P-P
(dB)
)
)
(dB)
(dB)
2.2V