TDA9178 Ver la hoja de datos (PDF) - Philips Electronics
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Lista de partido
TDA9178
Philips Electronics
TDA9178 Datasheet PDF : 36 Pages
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Philips Semiconductors
YUV one chip picture improvement based on luminance
vector-, colour vector- and spectral processor
Preliminary specification
TDA9178
SYMBOL
PARAMETER
CONDITIONS
COLOUR TRANSIENT IMPROVEMENT
tr(min)
minimum rise time 10% to 90%
COLOUR DEPENDENT SHARPNESS
fpc
peaking centre frequency
Qmax
maximum contour amplitude at
centre frequency
note 5
1fH mode
2fH mode
note 3
SCAVEM
SCAVEM OUTPUT (PIN SOUT)
Vo(cl)
output voltage level during
clamping
GY
gain luminance input to SCAVEM
output
BY
bandwidth
Ro
output resistance
Io(bias)
CL
td(SOUT-YOUT)
output bias current
load capacitance
delay w.r.t. YOUT
Successive approximation ADC
1fH mode (−1 dB)
2fH mode (−1 dB)
ADC INPUTS (PINS ADEXT1, ADEXT2 AND ADEXT3)
VFS
Ii(bias)
RES
full-scale input voltage range
input bias current
data path resolution
with respect to ground
DLE
differential linearity error
ILE
integral linearity error
fcon
conversion frequency
ADEXT1
ADEXT2; ADEXT3
Qadt
conversion time (video lines)
each channel
Timing
SANDCASTLE INPUT (PIN SC)
Ii(bias)
Vsc(bn)
Vsc(bc)
tW(bk)
tV
Vbk(var)(p-p)
input bias current
detection level for blank
detection level for clamp
burst key pulse width
vertical retrace time
ripple on sandcastle burst key level
(peak-to-peak value)
no clamping
1fH mode
2fH mode
MIN.
−
−
−
−
−
0.93
5
6.0
−
0.8
−
−
−
−
−
−
−
−
−
−
−
0.9
−
1.8
0.9
6
−
TYP.
50
2.0
4.0
6
2.2
1.04
−
−
−
−
−
−20
2.0
−
6
−
−
1fV
0.5fV
8
−
1.15
0.9Vtop
−
−
−
−
MAX. UNIT
−
ns
−
MHz
−
MHz
−
dB
−
V
1.15
−
MHz
−
MHz
150
Ω
−
mA
15
pF
−
ns
−
V
0.1
µA
−
bit
1
LSB
1
LSB
−
Hz
−
Hz
−
lines
1
µA
1.40 V
−
V
−
µs
−
µs
−
lines
0.04Vtop V
1999 Sep 24
18
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