CXA2125Q Datasheet, PDF (9/35 Pages) Sony Corporation – Audio/Video Switch with Electronic Volume for 3 Scart

CXA2125Q
Electrical Characteristics
Item
Current consumption
Symbol
Conditions
ICC
VCC_12V = 12V, No signal, no load
Nominal conditions (Ta = 25°C)
Min. Typ. Max. Unit
30 50 80 mA
Video system
Nominal conditions (Ta = 25°C, Vcc_12V = 12V, VREG_9V = 9V)
Item
Symbol
Conditions
Min. Typ. Max. Unit
Input pin voltage
VVPin No signal, no load (Fig.1)
4.3 4.6 4.9 V
Output pin voltage – with
output on.
VVPout1
No signal, no load (Fig.1)
3.6 3.9 4.2 V
Output pin voltage – with
output off.
VVPout2
No signal, no load (Fig.1)
— 0 0.2 V
Gain
GVv f = 200kHz, 0.3Vp-p input (Fig.2)
5.5 6.0 6.5 dB
Bandwidth
fV3dB
0.3Vp-p input, frequency where output
level is –3dB with 200kHz serving as
0dB (Fig. 2)
15 20
— MHz
Input dynamic range
VDRVI 200kHz input (Fig.2)
2.5 — — Vp-p
Output dynamic range
VDRVO 200kHz, 2.5Vp-p input (Fig.2)
5.0 — — Vp-p
Cross talk
Vctv f = 4.43MHz, 1Vp-p input (Fig.2)
— — –50 dB
S/N ratio
Ratio of 0.7Vp-p white video signal to
S/NV "black line" noise. Weighted using CCIR — 72 — dB
567. HPF @5kHz, LPF @5MHz. (Fig.2)
Input impedance
1Vrms 1kHz input through 56kΩ.
ZinV
Attenuation measured to calculate ZinV 94 120 175 kΩ
(Fig.3)
Non-linearity
Differential gain
Differential phase
Sync crush
Lin
(Fig.4) _{–3 –0.4 3}
%
V1 = Pin voltage +0.5V,
V2 = Pin voltage +1V
At output, non-linearity =
V2
V1 × 2
–1
× 100
1.7Vp-p 5-step modulated staircase.
DG
(Chroma and Burst are 150mVp-p
4.43MHz) (Fig.2)
–3 1.5 2 %
DP
as above. (Fig.2)
–3 1
2 Deg
Percentage reduction in sync pulse
SC
(0.4Vp-p), with tip at –1.2V input offset. –2 0
2%
(Fig.4)
–9–