CXA2504N
Sample-and-Hold Driver IC for LCD
Description
The CXA2504N comprises a 6-channel sample-
and-hold circuit and driver for liquid crystal display.
Features
•
Built-in sample-and-hold circuit for phase matching
•
Sample-and-hold circuit slew rate 280V/µs (Typ.)
190V/µs (Typ.)
(for 300pF load capacitance)
•
Sample-and-hold circuit slew rate adjustment
function
•
Driver slew rate adjustment function
Structure
Bipolar silicon monolithic IC
Applications
•
Liquid crystal projectors
•
Liquid crystal viewfinders
•
Small liquid crystal monitors
•
Driver slew rate
40 pin SSOP (Plastic)
Absolute Maximum Ratings
(Ta = 25°C)
•
Supply voltage
V
CC
1
17
V
CC
2
V
CC
3
V
IN
1
∗
1
V
IN
2
∗
2
17
7
Vcc1
V
V
V
V
•
Input pin voltage 1
•
Input pin voltage 2
•
•
•
•
•
Vcc3
V
Digital input pin voltage VP
∗
3
–0.3 to Vcc3 + 0.3 V
Operating temperature Topr
–25 to +75
°C
Storage temperature
Tstg
–55 to +150 °C
Allowable power dissipation (Ta
≤
25°C)
P
D
1.72
∗
4
W
Reduction rate (Ta > 25°C)
13.8
∗
4
mW/°C
Operating Conditions
Supply voltage
V
CC
1
V
CC
2
V
CC
3
15.5 ± 0.8
15.5 ± 0.8
5.0 ± 0.5
V
V
V
∗
1
Applies to Pins 4, 5, 6, 7, 8, 13, 14, 15, 16, 24,
26, 28, 34, 36 and 38.
∗
2
Applies to Pins 17 and 39.
∗
3
Applies to Pins 1, 2, 3, 18, 19, 20, 21 and 40.
∗
4
When mounted on 40
×
40mm
2
square epoxy
board.
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E96652A82-PS
CXA2504N
Block Diagram
SH4
SH5
SH6
BIAS IN56
IN6
IN5
BIAS IN34
IN4
GND
1
2
3
4
5
6
7
8
9
Level Shifter
S/H
S/H
DR
Level Shifter
S/H
S/H
DR
Level Shifter
S/H
S/H
DR
Current
Setting
40 SH8
39 I DR
38 BIAS OUT6
37 OUT6
36 BIAS OUT5
35
OUT5
34 BIAS OUT4
33 OUT4
32
V
CC
2
GND 10
GND 11
V
CC
1 12
IN3 13
BIAS IN12 14
IN2 15
IN1 16
I SH 17
SH1 18
SH2 19
SH3 20
Current
Setting
Level Shifter
S/H
S/H
DR
Level Shifter
S/H
S/H
DR
Level Shifter
S/H
S/H
DR
31 GND
30
29
GND
GND
28 BIAS OUT3
27 OUT3
26 BIAS OUT2
25 OUT2
24 BIAS OUT1
23
OUT1
22 V
CC
3
21 SH7
–2–
CXA2504N
Pin Description
Pin
No.
1
2
3
18
19
20
21
40
4
7
14
5
6
8
13
15
16
Symbol
SH4
SH5
SH6
SH1
SH2
SH3
SH7
SH8
BIAS IN56
BIAS IN34
BIAS IN12
IN6
IN5
IN4
IN3
2V
0V
3.0 to 5.0V
Pin voltage
V
CC
3
1
2
3
18
19
20
21
40
GND
Equivalent circuit
Description
CH4 sampling pulse input
200µ
CH5 sampling pulse input
CH6 sampling pulse input
CH1 sampling pulse input
CH2 sampling pulse input
200
100
CH3 sampling pulse input
Pulse input for simultaneous
resampling of CH1, 2, and 3
Pulse input for simultaneous
resampling of CH4, 5, and 6
Inputs IN5 and 6 signal center voltage
V
CC
1
4
7
14
200
20µ
GND
Inputs IN3 and 4 signal center voltage
Inputs IN1and 2 signal center voltage
CH6 input
∗
1
V
CC
1
11.5V
CH5 input
∗
1
CH4 input
∗
1
200
100µ
5
6
8
13
15
16
GND
CH3 input
∗
1
CH2 input
∗
1
CH1 input
∗
1
IN2
IN1
V
CC
3
17
I SH
1.2V
2k
17
39
200
10k
GND
Sets sample-and-hold circuit current.
Sample-and-hold circuit slew rate
changes.
39
I DR
1.2V
Sets output driver circuit current.
Output driver circuit slew rate
changes.
∗
1
Do not input a signal of 2V or less to IN1 to IN6.
–3–
CXA2504N
Pin
No.
23
25
27
33
35
37
24
26
28
34
36
38
12
22
32
9
10
11
29
30
31
Symbol
OUT1
Pin voltage
Equivalent circuit
Description
CH1 output
∗
2
V
CC
2
OUT2
OUT3
OUT4
OUT5
23
25
27
33
35
37
10
10
CH2 output
∗
2
CH3 output
∗
2
CH4 output
∗
2
CH5 output
∗
2
GND
OUT6
BIAS OUT1
BIAS OUT2
BIAS OUT3
BIAS OUT4
BIAS OUT5
BIAS OUT6
Vcc1
Vcc3
Vcc2
GND
GND
GND
GND
GND
GND
15.5V
5.0V
15.5V
V
CC
1
24
26
28
34
36
38
GND
20µ
200
CH6 output
∗
2
Inputs OUT1 signal center voltage
Inputs OUT2 signal center voltage
Inputs OUT3 signal center voltage
Inputs OUT4 signal center voltage
Inputs OUT5 signal center voltage
Inputs OUT6 signal center voltage
Power supply for level shifter and
S/H circuit
5V system power supply
Output driver power supply
GND
∗
3
GND
∗
3
GND
∗
3
GND
∗
3
GND
∗
3
GND
∗
3
∗
2
Power consumption varies depending on the output signal when driving load capacitance. Be careful not to
go over the package allowable power dissipation.
∗
3
Pins 9 to 11 and 29 to 31 must be connected to GND potential; they must not be open.
–4–
CXA2504N
Electrical Characteristics
Unless otherwise specified:
Vcc1 = Vcc2 = 15.5V, Vcc3 = 5.0V, Ta = 25°C
SW1
→
b, SW2
→
b, SW3
→
b, SW4
→
b, SW5
→
a, SW6
→
a, SW7
→
b, SW8
→
a, SW13
→
a, SW14
→
b,
SW15
→
a, SW16
→
a, SW18
→
b, SW19
→
b, SW20
→
b, SW21
→
b, SW24
→
b, SW26
→
b, SW28
→
b,
SW34
→
b, SW36
→
b, SW38
→
b, SW40
→
b
V
1
= 5V, V
2
= 5V, V
3
= 5V, V
18
= 5V, V
19
= 5V, V
20
= 5V, V
21
= 5V, V
40
= 5V, CL = 300pF
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Item
Symbol
Measurement conditions
SW5
→
b, SW6
→
b, SW8
→
b, SW13
→
b,
SW15
→
b, SW16
→
b,
V
1
= V
6
= V
8
= V
13
= V
15
= V
16
= 7V
SW1
→
b, V
1
= 5V
SW1
→
b, V
1
= 0V
SW2
→
b, V
2
= 5V
SW2
→
b, V
2
= 0V
SW3
→
b, V
3
= 5V
SW3
→
b, V
3
= 0V
SW4
→
a, V
4
= 7V
SW5
→
b, V
5
= 7V
SW6
→
b, V
6
= 7V
SW7
→
a, V
7
= 7V
SW8
→
b, V
8
= 7V
SW13
→
b, V
13
= 7V
SW14
→
a, V
14
= 7V
SW15
→
b, V
15
= 7V
SW16
→
b, V
16
= 7V
SW18
→
b, V
18
= 5V
SW18
→
b, V
18
= 0V
SW19
→
b, V
19
= 5V
SW19
→
b, V
19
= 0V
SW20
→
b, V
20
= 5V
SW20
→
b, V
20
= 0V
SW21
→
b, V
21
= 5V
SW21
→
b, V
21
= 0V
SW24
→
a, V
24
= 7V
SW26
→
a, V
26
= 7V
SW28
→
a, V
28
= 7V
SW34
→
a, V
34
= 7V
SW36
→
a, V
36
= 7V
Min.
—
—
—
–0.1
–12
–0.1
–12
–0.1
–12
–0.2
—
—
–0.2
—
—
–0.2
—
—
–0.1
–12
–0.1
–12
–0.1
–12
–0.1
–12
–0.2
–0.2
–0.2
–0.2
–0.2
Typ.
17
8
12
0
–5.0
0
–5.0
0
–5.0
0
0.5
0.5
0
0.5
0.5
0
0.5
0.5
0
–5
0
–5
0
–5
0
–5
0
0
0
0
0
Max.
24
14
17
0.1
—
0.1
—
0.1
—
0.2
2.0
2.0
0.2
2.0
2.0
0.2
2.0
2.0
0.1
—
0.1
—
0.1
—
0.1
—
0.2
0.2
0.2
0.2
0.2
Unit
mA
mA
mA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
Current consumption (1) Icc1
Current consumption (2) Icc2
Current consumption (3) Icc3
SH4 “H” pin current
SH4 “L” pin current
SH5 “H” pin current
SH5 “L” pin current
SH6 “H” pin current
SH6 “L” pin current
BIAS IN56 pin current
IN6 pin current
IN5 pin current
BIAS IN34 pin current
IN4 pin current
IN3 pin current
BIAS IN12 pin current
IN2 pin current
IN1 pin current
SH1 “H” pin current
SH1 “L” pin current
SH2 “H” pin current
SH2 “L” pin current
SH3 “H” pin current
SH3 “L” pin current
SH7 “H” pin current
SH7 “L” pin current
I
1H
I
1L
I
2H
I
2L
I
3H
I
3L
I
4
I
5
I
6
I
7
I
8
I
13
I
14
I
15
I
16
I
18H
I
18L
I
19H
I
19L
I
20H
I
20L
I
21H
I
21L
BIAS OUT1 pin current I
24
BIAS OUT2 pin current I
26
BIAS OUT3 pin current I
28
BIAS OUT4 pin current I
34
BIAS OUT5 pin current I
36
–5–
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