4.0 Parametric Information
CX25870/871
4.2 AC Electrical Parameters
Flicker-Free Video Encoder with Ultrascale Technology
4.2 AC Electrical Parameters
Table 4-4. AC Characteristics for CX25870/871 (1 of 3)
EIA/TIA 250C
Ref
CCIR
567
Parameter
Hue Accuracy(2)
Symbol
Min
Typical
Max
Units
—
—
—
—
—
—
1.05
0.42
1.45
1.15
1.64
1.64
deg p–p
% p–p
Chroma Amplitude Accuracy(2)
Chroma AM Noise
—
1 MHz Red
Field
—
–65.70
–64.90
–62.40
dB rms
Chroma PM Noise
1 MHz Red
Field
—
—
–54.40
–50.70
–47.90
dB rms
Differential Gain
Differential Phase
6.2.2.1
6.2.2.2
6.3.1
C3.4.1.3
C3.4.1.4
—
—
—
—
0.26
0.64
0.5
0.71
0.7
1.19
–46.9
% p–p
deg p–p
dB rms
RMS SNR (Unweighted 100
IRE Y Ramp Tilt Correct)
–53.70
–51.04
Peak Periodic SNR @ 3.58
MHz
6.3.2
—
—
–82.7
–79.2
–73.4
dB p–p
100 IRE Multiburst
6.1.1
—
—
—
—
—
—
—
—
—
—
—
—
—
101.9
–0.15
–0.27
–0.45
–0.73
–0.88
–1.03
94.8
103.5
–0.1
105.4
–0.06
–0.16
–0.31
–0.54
–0.66
–0.81
97.1
IRE
dB
dB
dB
dB
dB
dB
%
Multiburst @ 0.50 MHz
Multiburst @ 1.25 MHz
Multiburst @ 2.00 MHz
Multiburst @ 3.00 MHz
Multiburst @ 3.58 MHz
Multiburst @ 4.05 MHz
Chroma/Luma Gain Ineq
Chroma/Luma Delay Ineq
—
—
–0.21
–0.36
–0.61
–0.74
–0.89
96.2
—
—
—
—
—
—
—
—
6.1.2.2
6.1.2
6.1.6
C3.5.3.1
C3.5.3.2
—
–7.00
1.70
–3.04
1.79
–0.20
2.0
ns
%
Short Time Distortion
100 IRE/PIXEL rising edge
Luminance Nonlinearity
Chroma/Luma Intermod
Chroma Nonlinear Gain
Chroma Nonlinear Phase
6.2.1
6.2.3
6.2.4.1
6.2.4.2
—
—
—
—
—
—
—
—
—
—
1
0.20
0.00
–1.9
0.10
3
0.82
0.28
–1.59
0.53
—
1.5
0.5
% p–p
%
–1.30
1.30
—
%
deg
ns
Pixel/Control Setup Time
(SETUP_HOLD_ADJ bit = 0)
Pixel/Control Setup Time
—
—
1
1.25
—
—
ns
(SETUP_HOLD_ADJ bit = 1)
4-4
Conexant
100381B
CONEXANT [ CONEXANT SYSTEMS, INC ]
