![](http://datasheet.mmic.net.cn/Maxim-Integrated-Products/MAX9598CTL-T_datasheet_98606/MAX9598CTL-T_4.png)
ELECTRICAL CHARACTERISTICS (continued)
(V12 = 12V, VVID = VAUD = 3.3V, VGNDVID = VEP = 0V, no load, TA = 0°C to +70°C, unless otherwise noted. Typical values are at TA
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
2T Pulse Response
2T = 200ns
0.2
K%
2T Bar Response
2T = 200ns, bar time is 18s; the beginning
2.5% and the ending 2.5% of the bar time
are ignored
0.2
K%
Nonlinearity
5-step staircase
0.1
%
Group Delay Distortion
100kHz
≤ f ≤ 5MHz, outputs are 2VP-P
11
ns
Glitch Impulse Caused by
Charge-Pump Switching
Measured at outputs
100
pVs
Peak Signal-to-RMS Noise
100kHz
≤ f ≤ 5MHz
70
dB
Power-Supply Rejection Ratio
f = 100kHz, 100mVP-P
42
dB
Output Impedance
f = 5MHz
2
Ω
Video Crosstalk
f = 4.43MHz
-46
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
I2C interface
4.6
7.5
Ω
AUDIO CHARACTERISTICS
Voltage Gain
VIN = -0.707V to +0.707V
3.95
4
4.05
V/V
Gain Mismatch
VIN = -0.707V to +0.707V
-1.5
+1.5
%
Flatness
f = 20Hz to 20kHz, 0.25VRMS input
0.006
dB
Frequency Bandwidth
0.25VRMS input, frequency where output is
-3dB referenced to 1kHz
230
kHz
Capacitive Drive
No sustained oscillations, 75
Ω series
resistor on output
300
pF
Input Resistance
VIN = -0.707V to +0.707V
10
M
Ω
Input Bias Current
VIN = 0V
500
nA
Input Signal Amplitude
f = 1kHz, THD < 1%
0.5
VRMS
Output DC Level
No input signal, VIN grounded
-3
+3
mV
Signal-to-Noise Ratio
f = 1kHz, 0.25VRMS input, 20Hz to 20kHz
97
dB
RL = 3.33k
Ω, f = 1kHz, 0.25VRMS input
0.0014
Total Harmonic Distortion Plus
Noise
RL = 3.33k
Ω, f = 1kHz, 0.5VRMS input
0.001
%
Output Impedance
f = 1kHz
0.4
Ω
DC
75
100
Power-Supply Rejection Ratio
f = 1kHz
90
dB
Mute Suppression
f = 1kHz, 0.25VRMS input
110
dB
Audio Crosstalk
f = 1kHz, 0.25VRMS input
92
dB
MAX9598
Low-Power Audio/Video Switch for
Dual SCART Connectors
4
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