TDA6920 Datasheet, PDF (13/20 Pages) Siemens Semiconductor Group – 7 x 5 Video Matrix Switch

TDA 6920
3.4 AC Characteristics
T_A = 25 °C, V_CC = 8.5 V
Parameter
Symbol
Video bandwidth
Video gain
Crosstalk (0 - 5 MHz)
P-DSO-28-1
Crosstalk (0 - 5 MHz)
P-DSO-28-1
Crosstalk (0 - 5 MHz)
P-DIP-18-5
Crosstalk (0 - 5 MHz)
P-DIP-18-5
Input AC-voltage
Input AC-voltage
Input AC-voltage (sinus)
P_OUT/IN
V_OUT/IN
A
A
A
A
V_C
V_{IN1 - IN7}
V_{IN2, 3, 4}
Limit Values Unit Test Condition
min. typ. max.
15 20
MHz – 3 dB point
1.9 2.0 2.1
– 65 – 60 dB inputs 75 Ω to GND
– 55 – 50 dB inputs 500 Ω to GND
– 62 – 60 dB inputs 75 Ω to GND
– 45 – 50 dB inputs 500 Ω to GND
0.75 1
1
1.5
1
1.5
Vpp sinus
Vpp clamped
Vpp non clamped
Output AC-voltage
I²C-Bus clock
Output linearity
Input resistance
(non-clamping)
Input source-impedance
(clamping)
Input coupling-capacitor
(clamping)
Output dyn. impedance
V_{OUT1 - OUT5}
ƒ_{IN SDA, SCL}
DG_OUT1-
OUT5
R_{C, IN2, 3, 4} 40
R_{IN1 - IN7}
0
C_{IN1 - IN7}
R_{OUT1 - OUT5}
2
3
Vpp
400 500 kHz
0.2 1
% R_L = ∝
50
kΩ
75 500 Ω
47
nF CVBS-signal >
10
µF 20 Hz Audiosignal
50 75 Ω
Note: The listed characteristics are ensured over the operating range of the integrated
circuit. Typical characteristics specify mean values expected over the production
spread. If not otherwise specified, typical characteristics apply at T_A = 25 °C and
the given supply voltage.
Semiconductor Group
13