CXA2504N (Sony Corporation)
Sample-and-Hold Driver IC for LCD

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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.
40 pin SSOP (Plastic)
Features
Built-in sample-and-hold circuit for phase matching
Sample-and-hold circuit slew rate 280V/µs (Typ.)
Driver slew rate
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
Absolute Maximum Ratings (Ta = 25°C)
Supply voltage
VCC1 17 V
VCC2 17 V
VCC3 7 V
Input pin voltage 1
VIN11
Vcc1
V
Input pin voltage 2
VIN22
Vcc3
V
Digital input pin voltage VP3 –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)
PD
1.724
W
Reduction rate (Ta > 25°C)
13.84 mW/°C
Operating Conditions
Supply voltage
VCC1
VCC2
VCC3
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 × 40mm2 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 (Sony Corporation)
Sample-and-Hold Driver IC for LCD

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Block Diagram
SH4 1
SH5 2
SH6 3
BIAS IN56 4
IN6 5
IN5 6
BIAS IN34 7
IN4 8
GND 9
GND 10
GND 11
VCC1 12
IN3 13
BIAS IN12 14
IN2 15
IN1 16
I SH 17
SH1 18
SH2 19
SH3 20
CXA2504N
Level Shifter
Level Shifter
Level Shifter
Level Shifter
Level Shifter
Level Shifter
S/H S/H
S/H S/H
S/H S/H
S/H S/H
S/H S/H
S/H S/H
Current
Setting
Current
Setting
40 SH8
39 I DR
38 BIAS OUT6
DR 37 OUT6
36 BIAS OUT5
DR 35 OUT5
34 BIAS OUT4
DR 33 OUT4
32 VCC2
31 GND
30 GND
29 GND
28 BIAS OUT3
DR 27 OUT3
26 BIAS OUT2
DR 25 OUT2
24 BIAS OUT1
DR 23 OUT1
22 VCC3
21 SH7
–2–


CXA2504N (Sony Corporation)
Sample-and-Hold Driver IC for LCD

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CXA2504N
Pin Description
Pin
No.
Symbol Pin voltage
1 SH4
2 SH5
3 SH6
18 SH1
3.0 to 5.0V
19 SH2
20 SH3
0V
21 SH7
40 SH8
Equivalent circuit
VCC3
1
2
3
18
19
20
21
40
GND
200µ
200
100
4 BIAS IN56
7 BIAS IN34
14 BIAS IN12
5 IN6
6 IN5
8 IN4
11.5V
13 IN3
15 IN2
2V
16 IN1
VCC1
4
7
14
GND
VCC1
5
6
8
13
15
16
GND
200
200
20µ
100µ
VCC3
17 I SH
1.2V
2k
39 I DR
1.2V
17
39 200
GND
1 Do not input a signal of 2V or less to IN1 to IN6.
10k
Description
CH4 sampling pulse input
CH5 sampling pulse input
CH6 sampling pulse input
CH1 sampling pulse input
CH2 sampling pulse input
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
Inputs IN3 and 4 signal center voltage
Inputs IN1and 2 signal center voltage
CH6 input1
CH5 input1
CH4 input1
CH3 input1
CH2 input1
CH1 input1
Sets sample-and-hold circuit current.
Sample-and-hold circuit slew rate
changes.
Sets output driver circuit current.
Output driver circuit slew rate
changes.
–3–


CXA2504N (Sony Corporation)
Sample-and-Hold Driver IC for LCD

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CXA2504N
Pin
No.
Symbol Pin voltage
23 OUT1
25 OUT2
27 OUT3
33 OUT4
35 OUT5
37 OUT6
Equivalent circuit
VCC2
23
25
27
33
35
37
GND
10
10
Description
CH1 output2
CH2 output2
CH3 output2
CH4 output2
CH5 output2
CH6 output2
24 BIAS OUT1
Inputs OUT1 signal center voltage
26 BIAS OUT2
28 BIAS OUT3
34 BIAS OUT4
36 BIAS OUT5
38 BIAS OUT6
VCC1
24
26
28
34
36
38
GND
200
Inputs OUT2 signal center voltage
Inputs OUT3 signal center voltage
Inputs OUT4 signal center voltage
20µ
Inputs OUT5 signal center voltage
Inputs OUT6 signal center voltage
12 Vcc1
15.5V
Power supply for level shifter and
S/H circuit
22 Vcc3
5.0V
5V system power supply
32 Vcc2
9 GND
10 GND
11 GND
29 GND
30 GND
31 GND
15.5V
Output driver power supply
GND3
GND3
GND3
GND3
GND3
GND3
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 (Sony Corporation)
Sample-and-Hold Driver IC for LCD

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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
V1 = 5V, V2 = 5V, V3 = 5V, V18 = 5V, V19 = 5V, V20 = 5V, V21 = 5V, V40 = 5V, CL = 300pF
No. Item Symbol
Measurement conditions
1 Current consumption (1) Icc1 SW5 b, SW6 b, SW8 b, SW13 b,
2 Current consumption (2) Icc2 SW15 b, SW16 b,
3 Current consumption (3) Icc3 V1 = V6 = V8 = V13 = V15 = V16 = 7V
4 SH4 “H” pin current I1H SW1 b, V1 = 5V
5 SH4 “L” pin current I1L SW1 b, V1 = 0V
6 SH5 “H” pin current I2H SW2 b, V2 = 5V
7 SH5 “L” pin current I2L SW2 b, V2 = 0V
8 SH6 “H” pin current I3H SW3 b, V3 = 5V
9 SH6 “L” pin current I3L SW3 b, V3 = 0V
10 BIAS IN56 pin current I4
SW4 a, V4 = 7V
11 IN6 pin current
I5 SW5 b, V5 = 7V
12 IN5 pin current
I6 SW6 b, V6 = 7V
13 BIAS IN34 pin current I7
SW7 a, V7 = 7V
14 IN4 pin current
I8 SW8 b, V8 = 7V
15 IN3 pin current
I13 SW13 b, V13 = 7V
16 BIAS IN12 pin current I14 SW14 a, V14 = 7V
17 IN2 pin current
I15 SW15 b, V15 = 7V
18 IN1 pin current
I16 SW16 b, V16 = 7V
19 SH1 “H” pin current I18H SW18 b, V18 = 5V
20 SH1 “L” pin current
I18L SW18 b, V18 = 0V
21 SH2 “H” pin current I19H SW19 b, V19 = 5V
22 SH2 “L” pin current
I19L SW19 b, V19 = 0V
23 SH3 “H” pin current I20H SW20 b, V20 = 5V
24 SH3 “L” pin current
I20L SW20 b, V20 = 0V
25 SH7 “H” pin current I21H SW21 b, V21 = 5V
26 SH7 “L” pin current
I21L SW21 b, V21 = 0V
27 BIAS OUT1 pin current I24 SW24 a, V24 = 7V
28 BIAS OUT2 pin current I26 SW26 a, V26 = 7V
29 BIAS OUT3 pin current I28 SW28 a, V28 = 7V
30 BIAS OUT4 pin current I34 SW34 a, V34 = 7V
31 BIAS OUT5 pin current I36 SW36 a, V36 = 7V
–5–
Min. Typ. Max. Unit
— 17 24 mA
— 8 14 mA
— 12 17 mA
–0.1 0 0.1 µA
–12 –5.0 — µA
–0.1 0 0.1 µA
–12 –5.0 — µA
–0.1 0 0.1 µA
–12 –5.0 — µA
–0.2 0 0.2 µA
— 0.5 2.0 µA
— 0.5 2.0 µA
–0.2 0 0.2 µA
— 0.5 2.0 µA
— 0.5 2.0 µA
–0.2 0 0.2 µA
— 0.5 2.0 µA
— 0.5 2.0 µA
–0.1 0 0.1 µA
–12 –5 — µA
–0.1 0 0.1 µA
–12 –5 — µA
–0.1 0 0.1 µA
–12 –5 — µA
–0.1 0 0.1 µA
–12 –5 — µA
–0.2 0 0.2 µA
–0.2 0 0.2 µA
–0.2 0 0.2 µA
–0.2 0 0.2 µA
–0.2 0 0.2 µA


CXA2504N (Sony Corporation)
Sample-and-Hold Driver IC for LCD

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CXA2504N
No. Item Symbol
Measurement conditions
Min. Typ. Max. Unit
32 BIAS OUT6 pin current I38
SW38 a, V38 = 7V
–0.2 0 0.2 µA
33 SH8 “H” pin current I40H SW40 b, V40 = 5V
–0.1 0 0.1 µA
34 SH8 “L” pin current I40L SW40 b, V40 = 0V
–12 –5 — µA
35 I SH pin voltage
V17
— 1.2 — V
36 I DR pin voltage
V39
— 1.2 — V
Set SW5 b, SW6 b, SW8 b, SW13 b,
SW15 b, SW16 b,
Output potential
37 difference between
V5 = V6 = V8 = V13 = V15 = V16 = 2V, 7V, 11.5V.
VO Measure output DC voltage for TP23, TP25, TP27,
— — 25 mV
channels
TP33, TP35 and TP37 relative to each input DC voltage.
VO = MAX (output voltage – input voltage)
MIN (output voltage – input voltage)
38
Gain difference
between channels
39 Input/output gain
Set SW4 a, SW5 b, SW6 b, SW7 a,
SW8 b, SW13 b, SW14 a, SW15 b,
SW16 b, SW24 a, SW26 b, SW28 b,
SW34 b, SW36 b, SW38 b,
V4 = V7 = V14 = V24 = V26 = V28 = V34 = V36 = V38 = 7V,
V5 = V6 = V8 = V13 = V15 = V16 = 2V, 11.5V.
Measure output DC voltage for TP23, TP25, TP27,
Vd TP33, TP35 and TP37 relative to each input DC voltage. — — 25 mW
Vdmax = MAX (output voltage (11.5V input)
– output voltage (2.0V input))
Vdmin = MIN (output voltage (11.5V input)
– output voltage (2.0V input))
And, calculate the difference between channels of its
voltage difference.
Vd =Vdmax – Vdmin
Set SW4 a, SW7 a, SW14 a, SW24 a, SW26 a,
SW28 a, SW34 a, SW36 a, SW38 a,
GIO V4 = V7 = V14 = V24 = V26 = V28 = V34 = V36 = V38 = 7V. –0.5 –0.1 — dB
Input SG1 to (IN1) to (IN6) and measure gain between
input and output for TP23, TP25, TP27, TP33, TP35
and TP37 (refer to output waveforms (1)).
40
Sample-and-hold
slew rate (1)
Set SW1 a, SW2 a, SW3 a, SW4 a, SW7 a,
SW14 a, SW18 a, SW19 a, SW20 a,
SW24 a, SW26 a, SW28 a, SW34 a,
SW36 a, SW38 a,
V4 = V7 = V14 = V24 = V26 = V28 = V34 = V36 = V38 = 7V,
RTSH1 (SH1) to (SH6) = SG4.
220 280 — V/µs
Input SG2 and SG3 to (IN1) to (IN6) and measure
output waveform (2) V for TP23, TP25, TP27, TP33,
TP35 and TP37.
RTSH1 =
V
15 × 10–3
(V/µs)
41 Sample-and-hold
slew rate (2)
Set SW4 a, SW7 a, SW14 a, SW21 a, SW24 a,
SW26 a, SW28 a, SW34 a, SW36 a,
SW38 a, SW40 a,
V4 = V7 = V14 = V24 = V26 = V28 = V34 = V36 = V38 = 7V,
RTSH2 (SH7) = (SH8) = SG4.
Input SG2 and SG3 to (IN1) to (IN6) and measure
220 280 — V/µs
output waveform (2) V for TP23, TP25, TP27, TP33,
TP35 and TP37.
RTSH2 =
V
15 × 10–3
(V/µs)
–6–


CXA2504N (Sony Corporation)
Sample-and-Hold Driver IC for LCD

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CXA2504N
No. Item Symbol
Measurement conditions
Min. Typ. Max. Unit
42
Sample-and-hold
droop rate (1)
Set SW1 a, SW2 a, SW3 a, SW4 a, SW5 b,
SW6 b, SW7 a, SW8 b, SW13 b, SW14 a,
SW15 b, SW16 b, SW18 a, SW19 a,
SW20 a, SW24 a, SW26 a, SW28 a,
SW34 a, SW36 a, SW38 a,
RD1 V4 = V7 = V14 = V24 = V26 = V28 = V34 = V36 = V38 = 7V,
(SH1) to (SH6) = SG5, V5 = V6 = V8 = V13 = V15 = V16
= 2V, 7V, 11.5V.
Measure output waveform (3) V for TP23, TP25, TP27,
TP33, TP35 and TP37 relative to each input DC.
RD1 = V (mV/µs)
10
mV/
— ±40 µs
43
Sample-and-hold
droop rate (2)
Set SW4 a, SW5 b, SW6 b, SW7 a, SW8 b,
SW13 b, SW14 a, SW15 b, SW16 b,
SW21 a, SW24 a, SW26 a, SW28 a,
SW34 a, SW36 a, SW38 a, SW40 a,
V4 = V7 = V14 = V24 = V26 = V28 = V34 = V36 = V38 = 7V,
RD2 (SH7) = (SH8) = SG5, V5 = V6 = V8 = V13 = V15 = V16
= 2V, 7V, 11.5V.
Measure output waveform (3) V for TP23, TP25, TP27,
TP33, TP35 and TP37 relative to each input DC.
RD2 = V (mV/µs)
10
±40
mV/
µs
44 Driver slew rate
RTDR
Set SW4 a, SW7 a, SW14 a, SW21 a,
SW24 a, SW26 a, SW28 a, SW34 a,
SW36 a, SW38 a, SW40 a,
V4 = V7 = V14 = V24 = V26 = V28 = V34 = V36 = V38 = 7V,
(SH7) = (SH8) = SG8.
Input SG6 and SG7 to (IN1) to (IN6) and measure
output waveform (4) t and V for TP23, TP25, TP27,
TP33, TP35 and TP37.
RTDR = V × 0.8 (V/µs)
t
130 190
V/µs
Set SW4 a, SW7 a, SW14 a, SW21 a,
SW24 a, SW26 a, SW28 a, SW34 a,
45
SH7, SH8 output
propagation delay
time
tPLH (H) SW36 a, SW38 a, SW40 a,
tPHL (H) V4 = V7 = V14 = V24 = V26 = V28 = V34 = V36 = V38 = 7V,
tPLH (L) (SH7) = (SH8) = SG8.
tPHL (L) Input SG6 and SG7 to (IN1) to (IN6) and for each of the
13
17
21 ns
four conditions for input signal rise and fall, measure
output waveform (4) tP for TP23, TP25, TP27, TP33,
TP35 and TP37.
Set SW4 a, SW7 a, SW14 a, SW24 a,
SW26 a, SW28 a, SW34 a, SW36 a,
Input output
46 propagation delay
time
tDLH (H) SW38 a,
tDHL (H) V4 = V7 = V14 = V24 = V26 = V28 = V34 = V36 = V38 = 7V,
tDLH (L) CL = 0pF.
tDHL (L) Input SG9 and SG10 to (IN1) to (IN6) and for each of
7
10 13 ns
the four conditions for input signal rise and fall,
measure output waveform (5) tD for TP23, TP25,
TP27, TP33, TP35 and TP37.
47 Input dynamic range VDIN
2.0 — 11.5 V
–7–


CXA2504N (Sony Corporation)
Sample-and-Hold Driver IC for LCD

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CXA2504N
Input waveform SG1
Output waveform (1)
30µs
30µs
measurement
level
Input signal SG2
Input signal SG3
Input signal SG4
15ns
75ns
11.5V
2V
approx. 11.5V
approx. 2V
11.5V
6.5V
7V
2V
5V
0
Output waveform (2)
measurement
level V
measurement
level V
Sample-and-hold
slew
rate
=
15
V
× 10–3
SG2 and SG3 must change completely within SG4 “L” interval.
–8–


CXA2504N (Sony Corporation)
Sample-and-Hold Driver IC for LCD

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CXA2504N
Input signal SG5
Output waveform (3)
Input signal SG6
Input signal SG7
Input signal SG8
Output waveform (4)
5V
20µs
20µs
5µs 10µs
measurement
level V
droop rate =
V (mV/µs)
10
0V
11.5V
8V
5.5V
50%
50%
15ns
75ns
measurement level
propagation delay
time
tp
90%
10%
measurement
level t
50%
50%
2V
5V
0V
measurement
level V
Slew rate = V × 0.8
t
SG5 and SG6 must change completely within SG7 “L” interval.
–9–


CXA2504N (Sony Corporation)
Sample-and-Hold Driver IC for LCD

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SG9
tr, tf = 1ns
SG10
tr, tf = 1ns
50%
50%
30µs
measurement
level
tD
30µs
Output waveform (5)
50%
CXA2504N
11.5V
8V
5.5V
2V
– 10 –


CXA2504N (Sony Corporation)
Sample-and-Hold Driver IC for LCD

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Electrical Characteristics Measurement Circuit
CXA2504N
(IN6)
(IN5)
(IN4)
(SH4)
V1
(SH5)
V2
(SH6)
V3
V4
390k
(a)
V5 (b)
SW5
(a)
V6 (b)
SW6
(a)
SW1
(b)
(a)
SW2
(b)
(a)
SW3
(b)
(a)
SW4
(b)
390k
390k 0.1µ
1
2
3
4
5
6
390k 0.1µ
V7
390k
(a)
V8 (b)
SW8
(a)
SW7
(b)
390k
390k 0.1µ
7
8
9
10
0.1µ
11
VCC1 10µ
12
(IN3)
(IN2)
(IN1)
(a)
(b)
V13 SW13
13
390k 0.1µ
V14
390k
(a)
(b)
V15
SW15
(a)
(a) 14
SW14
(b)
390k
15
390k 0.1µ
(b)
V16 SW16
390k 0.1µ
22k
16
17
(SH1)
0.01µ
V18
TP17
(a)
SW18
18
(b)
(SH2)
(a)
SW19
V19 19
(b)
(SH3)
(a)
SW20
V20 20
(b)
SW40
40
TP39
39
(a)
(b)
47k
V40
0.01µ (a) V38
38
SW38
(b)
37
CL
(a)
0.1µ
390k
V36
36
SW36
(b)
35
CL
(a)
0.1µ
390k
V34
34
SW34
(b)
33
CL
0.1µ
390k
VCC2
32
0.1µ
(SH8)
TP37
TP35
TP33
31
10µ
30
29
28
SW28
(a)
(b)
27
CL
(a)
26
SW26
(b)
25
CL
(a)
24 SW24
(b)
23
CL
V28
0.1µ
390k
V26
0.1µ
390k
V24
0.1µ
390k
VCC3
22 0.1µ
TP27
TP25
TP23
21 (a) 10µ
SW21
(b)
V21
(SH 7)
– 11 –


CXA2504N (Sony Corporation)
Sample-and-Hold Driver IC for LCD

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Application Circuit
Sample-and-hold
pulse input
2 CH6 input
CH5 input
0.01µ
CH4 input
15.5V
CH3 input
CH2 input
CH1 input
22k
0.01µ
Sample-and-hold
pulse input
CXA2504N
Resample-and-hold pulse input
1 40
0.01µ
2 39
47k
3 38
390k 1µ 1
4 37
CH6 output
5 36
390k 1µ 1
6 35
CH5 output
7 34
390k 1µ 1
8 33
CH4 output
9 32
15.5V
10 31
11 30
12 29
13 28
390k 1µ 1
14 27
CH3 output
15 26
390k 1µ 1
16 25
CH2 output
17 24
390k 1µ 1
18 23
CH1 output
19 22
5.0V
20 21
Resample-and-hold pulse input
1 Use a ceramic capacitor with low leak.
2 Adjust to CH1 to 6 input signal DC voltage (within ±150mV).
Application circuits shown are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for
any problems arising out of the use of these circuits or for any infringement of third party patent and other right due to same.
– 12 –


CXA2504N (Sony Corporation)
Sample-and-Hold Driver IC for LCD

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Package Outline
Unit: mm
40PIN SSOP(PLASTIC)
13.5 ± 0.2
40
21
CXA2504N
0.65
A
1
0.3 ± 0.1
0.12 M S
20
0.65
0.15 ± 0.05
0.1 S
S
0.1 ± 0.1
NOTE : ‘‘*’’ Dimensions do not include mold protrusion.
0° to 10°
DETAIL A
SONY CODE
EIAJ CODE
JEDEC CODE
SSOP-40P-L111
PACKAGE STRUCTURE
PACKAGE MATERIAL EPOXY RESIN
LEAD TREATMENT
SOLDER PLATING
LEAD MATERIAL
COPPER ALLOY
PACKAGE WEIGHT
0.3g
– 13 –




CXA2504N.pdf
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