Rainbow Electronics MAX9671 - Manual (Page 4)

MAX9670/MAX9671
Low-Power Audio/Video Switch with Audio
Volume Control for Dual SCART Connectors
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ELECTRICAL CHARACTERISTICS (continued)
(V 12 = 12V, V VID = V AUD = 3.3V, V GNDVID = V EP = 0V, no load, T A = 0°C to +70°C, unless otherwise noted. Typical values are at
T A = +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
AC CHARACTERISTICS
Filter Passband Flatness V OUT = 2V P-P , f = 100kHz to 5.5MHz -1 dB
f = 9.5MHz 3
f = 27MHz 40 Filter Attenuation
V OUT = 2V P-P ,
attenuation is
referred to 100kHz
f = 54MHz 55
dB
Slew Rate V OUT = 2V P-P , no filter in video path 60 V/µs
Settling Time V OUT = 2V P-P , settle to 0.1% (Note 3) 400 ns
Differential Gain DG 5-step modulated staircase, f = 4.43MHz 0.15 %
Differential Phase DP 5-step modulated staircase, f = 4.43MHz 0.5 Degrees
2T Pulse-to-Bar K Rating
2T = 200ns, bar time is 18µs, the beginning
2.5% and the ending 2.5% of the bar time is
ignored
0.3 K%
2T Pulse Response 2T = 200ns 0.2 K%
2T Bar Response
2T = 200ns, bar time is 18µs, the beginning
2.5% and the ending 2.5% of the bar time is
ignored
0.2 K%
Nonlinearity 5-step staircase 0.1 %
Group Delay Distortion 100kHz ≤ f ≤ 5MHz, outputs are 2V
P-P 11 ns
Glitch Impulse Caused by
Charge-Pump Switching
Measured at outputs 100 pV-s
Peak Signal to RMS Noise 100kHz ≤ f ≤ 5MHz 70 dB
Power-Supply Rejection Ratio f = 100kHz, 100mV P-P 47 dB
Output Impedance f = 5MHz 2 Ω
Video Crosstalk f = 4.43MHz -80 dB
Reverse Isolation
VCR SCART inputs to encoder inputs,
full-power mode with VCR being looped
through to TV, f = 4.43MHz
92 dB
Pulldown Resistance
Enable VCR_R/C_OUT pulldown through
I
2 C interface
4.4 7.5 Ω
AUDIO CHARACTERISTICS
Voltage Gain V IN = -0.707V to +0.707V 3.95 4 4.05 V/V
Gain Mismatch V IN = -0.707V to +0.707V -1.5 +1.5 %
Flatness f = 20Hz to 20kHz, 0.25V RMS input 0.006 dB
Frequency Bandwidth
0.25V RMS input, frequency where output is
-3dB referenced to 1kHz
230 kHz
Capacitive Drive
No sustained oscillations; 75 Ω series
resistor on output
300 pF