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PDF CXD2475TQ Data sheet ( Hoja de datos )
| Número de pieza | CXD2475TQ | |
| Descripción | Reference Voltage and Driver IC for LCD | |
| Fabricantes | Sony Corporation | |
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CXD2475TQ
Reference Voltage and Driver IC for LCD
Description
The CXD2475TQ is suitable IC for applying reference
voltage for gamma correction which is necessary for
TFT liquid crystal display. This IC has a built-in 9
channels of rail-to-rail buffer circuit which enables 2-
input switch and a common driver circuit.
48 pin TQFP (Plastic)
Features
• Built-in 9 channels of rail-to-rail buffer circuit
• Built-in common driver circuit
• Current consumption: 3.6mA (typ.)
• Package: 48pin TQFP
Structure
Bi-CMOS IC
Applications
Small liquid crystal monitor
Absolute Maximum Ratings (Ta = 25°C)
• Supply voltage VCC∗1
7.0
VVG∗2
7.0
VVC∗3
≤ VCC + 0.2
VVG∗4
≥ GND – 0.2
V
V
V
V
• Operating temperature
Topr
–25 to +85
°C
• Storage temperature
Tstg –55 to +150 °C
• Allowable power dissipation (Ta ≤ 25°C)
Pd 1.72 W
• Reduced ratio (Ta < 25°C)
13.8 mW/°C
Operating Conditions
• Supply voltage VCC∗1
VVG∗2
VVC∗3
VVG∗4
4.5 to 5.0 to 5.5
4.0 to VCC
4.0 to VCC
0 to 1.0
∗1 Applied to Vcc – GND.
∗2 Applied to COMVcc – COMGND
∗3 Applied to COMVcc – GND
∗4 Applied to COMGND – GND
V
V
V
V
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–
E99617-PS
1 page  
CXD2475TQ
Electrical Characteristics
(Ta = 25°C, Vcc = COMVcc = 5V, COMGND = 0V)
No. Item
Symbol
Condition
Min. Typ. Max. Unit
1
Current consumption
(Vcc + COMVcc)
ICC Input voltage = 2.5V
— 3.6 6.0 mA
2 VH, VL input current high
IIH Input voltage = 4.8V
–0.1 — 0.1 µA
3 VH, VL input current low
IIL Input voltage = 0.2V
–0.1 — 0.1 µA
4 SW, COMSW input current high IISH Input voltage = 5V
–0.1 — 0.1 µA
5 SW, COMSW input current low IISL Input voltage = 0V
–0.4 — 0.1 µA
6 VREF voltage gain
AV Input voltage = 0.2 to 4.8V 0.985 —
— V/V
7 VREF output voltage high
VOH ISOURCE = 10mA
Vcc – 0.2 — — V
8 VREF output voltage low
VOL ISINK = 10mA
— — 0.2 V
9 COMOUT output voltage high VCOH ISOURCE = 10mA
COMVcc
– 0.1
—
—
V
10 COMOUT output voltage low VCOL ISINK = 10mA
—
—
COMGND
+ 0.1
V
11 VREF offset voltage
VOFF
— — 20 mV
12 VREF load regulation
∆VO
Input voltage = 0.2 to 4.8V
ISOURCE = 10mA
ISINK = 10mA
—
±5 ±10 mV
13 SW, COMSW input voltage high VIH
2 ——V
14 SW, COMSW input voltage low VIL
— — 0.8 V
15 VREF transient time (1)
ttvLH1
Measurement circuit 1
ttvHL1
—5
8 µs
16 VREF transient time (2)
ttvLH2
Measurement circuit 2
ttvHL2
— 3.5 6 µs
17
VREF propagation delay time
(1)
tpvLH1
Measurement circuit 1
tpvHL1
— 3.5 6 µs
18
VREF propagation delay time
(2)
tpvLH2
Measurement circuit 2
tpvHL2
— 2.5 5 µs
19
VREF propagation delay time
difference (1)
∆tpv1 tpvLH1 – tpvHL1
— — ±1.6 µs
20
VREF propagation delay time
difference (2)
∆tpv2 tpvLH2 – tpvHL2
— — ±0.8 µs
21 COM transient time
ttcLH
Measurement circuit 3
ttcHL
—3
5 µs
22 COM propagation delay time
tpcLH
Measurement circuit 3
tpcHL
— 1.6 3 µs
23
COM propagation delay time
difference
∆tpc
tpcLH – tpcHL
— — ±1 µs
–5–
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet CXD2475TQ.PDF ] | |
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