Typical operating characteristics, Electrical characteristics (continued) – Rainbow Electronics MAX7439 User Manual
Page 3
MAX7438/MAX7439
Triple-Channel Video Reconstruction Filters with
Back-Porch Clamp to GND
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Clamp Accuracy
Output blanking level relative to GND
-55
+55
mV
Clamp Settling Time
Back porch within the specified clamp
accuracy
50
Lines
MAX7438
5.5
6
6.5
Low-Frequency Gain
Gain at 100kHz
MAX7439
9
9.54
10
dB
Low-Frequency Gain Matching
t
G
Channel-to-channel gain matching,
f = 100kHz
+5
%
Input Voltage Range
THD < 0.5%
-0.5
+1.8
V
Output Voltage Range
V
OUT
f = 5MHz
-0.8
+1.8
V
Channel-to-Channel Crosstalk
X
TALK
Channel-to-channel crosstalk, f = 5MHz
-60
dB
Output Short-Circuit Current
I
SC
OUT_ shorted to GND or V
CC
50
mA
Input Leakage Current at IN_
I
IN_
±1
±5
µA
Bypass mode, boost 1 to boost 3
0.2
Input Leakage Current at HFB_
I
HFB_
Boost 4
30
µA
Input Resistance
500
k
Ω
V
CC
4.75
5.25
Supply Voltage Range
V
SS
-4.75
-5.25
V
I
CC
V
CC
= +5.25V, no load
110
160
Supply Current
I
SS
V
SS
= -5.25V, no load
110
160
mA
Power-Supply Rejection Ratio
PSRR
V
IN
= 100mV
P-P
, f = 0 to 3.5MHz
30
dB
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +5V ±5%, V
SS
= -5V ±5%, R
EXT
= 10k
Ω ±1%, R
HFB_-1
= 15k
Ω ±1%, R
HFB_-2
= 1k
Ω ±1%, no boost, R
OUT
= 75
Ω,
C
OUT
= 0 to 20pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
Typical Operating Characteristics
(V
CC
= +5V, V
SS
= -5V, R
OUT_
= 150
Ω, R
EXT
= 10k
Ω, no boost, T
A
= +25°C, unless otherwise noted.)
-80
0.1
100
10
1
MAX7438
AMPLITUDE vs. FREQUENCY
-50
-70
-10
-30
10
-40
-60
0
-20
MAX7438/9 toc01
FREQUENCY (MHz)
GAIN (dB)
NORMALIZED TO 0dB
-80
0.1
100
10
1
MAX7439
AMPLITUDE vs. FREQUENCY
-50
-70
-10
-30
10
-40
-60
0
-20
MAX7438/9 toc02
FREQUENCY (MHz)
GAIN (dB)
NORMALIZED TO 0dB
2.5
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
0.1
1
10
MAX7438
PASSBAND AMPLITUDE vs. FREQUENCY
MAX7438/9 toc03
FREQUENCY (MHz)
GAIN (dB)
NORMALIZED TO 0dB
BOOST 4
BOOST 3
BOOST 2
NO BOOST
BOOST 1