MAX9550 Maxim, MAX9550 Datasheet - Page 3

• Manufacturer Part Number: MAX9550
• Description: The MAX9550/MAX9551/MAX9552 provide a VCOM source for TFT LCDs
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
T
Note 1: All devices are 100% production tested at T
(V
AC CHARACTERISTICS
Settling Time
Input Capacitance
Transconductance
Transient Output Current
A
DD
DD
= +25°C.) (Note 1)
-0.1
-0.2
0.5
0.4
0.3
0.2
0.1
0
= 16V, GND = 0V, V
= 16V, GND = 0V, V
5
INPUT OFFSET VOLTAGE DEVIATION
PARAMETER
T
A
= -40°C
vs. SUPPLY VOLTAGE
10
T
A
= +25°C
_______________________________________________________________________________________
V
DD
15
(V)
CM
CM
T
A
= V
= +85°C
= V
20
OUT
OUT
SYMBOL
I
= V
OUTMAX
C
25
gm
= V
t
DD
High-Current VCOM Drive Buffers
S
IN
DD
/ 2, C
/ 2, C
-0.1
-0.2
-0.3
-0.4
Settling to 0.1% of V
C
(Figure 1)
I
I
A
0.6
0.5
0.4
0.3
0.2
0.1
L
OUT
OUT
0
V
L
= 1µF, T
-50
= 1
A
= 1µF, R
L
INPUT OFFSET VOLTAGE DEVIATION
= +25°C. All temperature limits are guaranteed by design.
= ±50mA
= ±500mA
= 1µF, T
-25
A
S
vs. TEMPERATURE
= +25°C, unless otherwise noted.)
TEMPERATURE (°C)
= 2.2Ω, C
CONDITIONS
0
A
V
pulse for 100µs
V
pulse for 100µs
= T
DD
DD
25
OUT
= 7V, V
= 16V, V
MIN
Typical Operating Characteristics
S
, I
50
= 0.1µF
L
to T
= 0 to 600mA,
IN
IN
75
MAX
= 1.5V
= 1.5V
, unless otherwise noted. Typical values are at
100
±200
±600
MIN
60
50
40
30
20
10
0
-600
for TFT LCDs
-400
±290
±830
TYP
TRANSCONDUCTANCE
vs. OUTPUT CURRENT
2.0
1.5
13
42
OUTPUT CURRENT (mA)
-200
T
A
= +25°C
T
A
0
= -40°C
MAX
200
T
A
400
= +85°C
UNITS
mA
µs
pF
S
600
3