MAX9650 Maxim, MAX9650 Datasheet - Page 4
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MAX9650
Manufacturer Part Number
MAX9650
Description
The MAX9650/MAX9651 are single- and dual-channel VCOM amplifiers with rail-to-rail inputs and outputs
Manufacturer
Maxim
Datasheet
1.MAX9650.pdf
(13 pages)
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High-Current VCOM Drive Op Amps
for TFT LCDs
(V
4
-10
-15
DD
20
15
10
-5
5
0
8
7
6
5
4
3
2
1
0
_______________________________________________________________________________________
CLOSED-LOOP SMALL-SIGNAL FREQUENCY
0.01
-50
= 19V, GND = 0, V
-25
RESPONSE FOR VARIOUS C
C
L
STARTUP WAVEFORM
0.1
= 0.1μF
vs. TEMPERATURE
SUPPLY CURRENT
C
C
0
C
L
TEMPERATURE (°C)
L
FREQUENCY (MHz)
L
= 56pF
= 100pF
= 0.01μF
100ms/div
25
1
50
CM
= V
C
75
L
C
10
= 0.0022μF
L
C
OUT
C
= 0.001μF
L
MAX9650 toc07
L
100
= 560pF
L
= 10pF
= V
100
125
DD
I
10mA/div
V
10V/div
V
5V/div
V
5V/div
DD
DD
IN
OUT
/2, T
(500mA/div)
(125mV/div)
A
V
I
= +25°C, unless otherwise specified.)
OUT
OUT
Typical Operating Characteristics (continued)
-1
-2
-3
-4
-5
-6
-7
3
2
1
0
100E+3
0.5A RESPONSE
V
R
OUT
L
= 10kΩ TO V
C
C
C
C L = 0.022μF
L
L
= 100mV
MAX9650 STEP RESPONSE
L
= 2200pF
= 0.01μF
= 10pF
SMALL-SIGNAL GAIN
WITH VARIOUS C
LOAD TRANSIENT
1E+6
vs. FREQUENCY
FREQUENCY (Hz)
P-P
TIME (1μs/div)
DD
SOURCING
/2
2μs/div
1A RESPONSE
0.1A RESPONSE
10E+6
L
MAX9650 toc08
100E+6
V
5V/div
V
5V/div
V
5V/div
V
5V/div
OUT
OUT
OUT
OUT
(500mA/div)
(125mV/div)
V
I
OUT
OUT
-10
-15
-20
-25
120
100
-20
-40
-60
-80
20
15
10
-5
80
60
40
20
5
0
100E+3
0
10E+0
SMALL-SIGNAL GAIN vs. FREQUENCY
V
R
0.5A RESPONSE
PHASE
OUT
L
GAIN
100E+0
= 10kΩ TO V
OPEN-LOOP GAIN AND PHASE
= 100mV
1E+3
WITH VARIOUS C
LOAD TRANSIENT
1E+6
vs. FREQUENCY
P-P
FREQUENCY (Hz)
FREQUENCY (Hz)
TIME (1μs/div)
DD
10E+3
SINKING
/2
10pF
100E+3
0.1A RESPONSE
1A RESPONSE
10,000pF
10E+6
1000pF
1E+6
L
C
100pF
L
10E+6
MAX9650 toc09
= 100pF
100E+6
100E+6
360
300
240
180
120
60
0
-60
-120
-180
-240