ISL24006 Intersil Corporation, ISL24006 Datasheet

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ISL24006

Manufacturer Part Number
ISL24006
Description
14-Channel Programmable Switchable I2C TFT-LCD Reference Voltage Generator
Manufacturer
Intersil Corporation
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
ISL24006IRZ
Manufacturer:
INTERSIL
Quantity:
20 000
Part Number:
ISL24006IRZ-T13
Manufacturer:
INTERSIL
Quantity:
1 760
Part Number:
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14-Channel Programmable Switchable I
TFT-LCD Reference Voltage Generator
with Integrated 4-Channel Static Gamma
Drivers
The ISL24006 is a 14-channel programmable switchable
reference voltage generator with four channels of static
gamma drivers integrated, for a complete 18-channel total
gamma solution for TFT-LCD displays. The 14-channel
programmable switchable configuration allows switching
between two gamma curves.
The ISL24006 is divided into two banks of seven generators:
one designed to cover the range from V
the remaining seven channels covering the range from
V
and low reference inputs, with integrated buffers (four static
gamma drivers) to drive the column driver internal DAC
resistor string to within 0.2V from the top and bottom rails.
An output MUX is used to switch between the two curves in
less than 1µs. Switching is controlled using an external
select pin.
ISL24006 includes an I
offset values.
ISL24006 is available in the 38-pin QFN package and is
specified for operation over the -40°C to +85°C temperature
range.
Ordering Information
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100%
matte tin plate termination finish, which are RoHS compliant and
compatible with both SnPb and Pb-free soldering operations. Intersil
Pb-free products are MSL classified at Pb-free peak reflow
temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
ISL24006IR-T7
ISL24006IR-T13
ISL24006IRZ
(See Note)
ISL24006IRZ-T7
(See Note)
ISL24006IRZ-T13
(See Note)
REFU_L
NUMBER
PART
to V
REFU_H
38-Pin QFN
38-Pin QFN
38-Pin QFN
38-Pin QFN
38-Pin QFN
PACKAGE
(Pb-Free)
(Pb-Free)
(Pb-Free)
. Each bank has its own separate high
2
C interface for programming the
®
1
TAPE &
Data Sheet
REEL
13”
13”
7”
7”
-
REFL_L
PKG. DWG. #
to V
MDP0046
MDP0046
MDP0046
MDP0046
MDP0046
REFL_H
1-888-INTERSIL or1-888-468-3774
2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
C
;
OUT_REFU_H
Features
• 14-channel programmable switchable
• 4-channel static
• Fast switch time (< 1µs)
• Programmable with 20mV resolution
• Digital supply 3.3V to 5V
• Supply current of 32mA (without load)
• Rail-to-Rail capability
• I
• Pb-free plus anneal available (RoHS compliant)
Applications
• TFT-LCD drive circuits
• Reference voltage generators
Pinout
OUT_REFL_L
BANK_SEL
September 9, 2005
2
STD_REG
C interface
DVDD
AVDD
GND
OSC
SDA
SCL
All other trademarks mentioned are the property of their respective owners.
NC
A0
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
10
11
12
1
2
3
4
5
6
7
8
9
Copyright © Intersil Americas Inc. 2005. All Rights Reserved.
(38-PIN QFN)
TOP VIEW
ISL24006
THERMAL
PAD
ISL24006
31
30
29
28
27
26
25
24
23
22
21
20
FN6110.1
OUT_REFU_L
GND
BG
GND
VREFL_L
VREFL_H
NC
NC
VREFU_L
VREFU_H
AVDD
OUT_REFL_H

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ISL24006 Summary of contents

Page 1

... TFT-LCD displays. The 14-channel programmable switchable configuration allows switching between two gamma curves. The ISL24006 is divided into two banks of seven generators: one designed to cover the range from V the remaining seven channels covering the range from ...

Page 2

... IL F Clock Frequency CLK R S Input Resistance SDIN DIN t Setup Time S t Hold Time H 2 ISL24006 Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TBD or +7V (max) Maximum Die Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . +125°C S Lead Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +260°C Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150° 15V 5V 14V, V VDD ...

Page 3

... Block Diagram OSC INT/EXT OSCILLATOR MUX SCL MUX INTERFACE SDA STD_REG A0 ANALOG AVDD POWER DIGITAL DVDD POWER REFERENCE BG GENERATOR 3 ISL24006 VREFU_L VREFU_H 0 DELAY 1 S/H S/H S/H S/H S/H B S/H BANKA DAC HI S S/H BANKA DAC LO LO S/H S/H S/H S/H S/H S/H VREFL_H VREFL_L OUT REFU_H MUX OUT1 S/H MUX OUT2 ...

Page 4

... VREFL_H 27 VREFL_L OUT REFU_L 32, 33, 34, 35, 36, OUT1 - OUT7 37 ISL24006 PIN TYPE Analog Output Analog output of V REFU_H Analog Power Power supply for analog circuit Logic Input Selects mode, high = standard, low = register 2 Logic Input I C device address input, bit 0; when LO, hex address = 74; when HI, hex ...

Page 5

STANDARD MODE (STD/REG=HIGH) WRITE MODE Start Device Address W A Control Byte DATA SDA SDA Out A 1 ...

Page 6

... The ISL24006 uses a simple two-wire I program all 14 outputs. The bus line SCLK is the clock signal line and bus SDA is the bi-directional data information signal line. The ISL24006 can support a clock rate up to 400kHz. An external pull up typically 1kΩ resistor is required for each bus line. ...

Page 7

... ISL24006. The first 6 bits (A6 to A1, MSBs) of the device address have been factory programmed and are always 111010. Only the least significant bit (LSB allowed to change the logic state ...

Page 8

... Clock Oscillator The ISL24006 require an internal clock or external clock to refresh its outputs. The outputs are refreshed at the falling OSC clock edges. The output refreshed switches open at the rising edges of the OSC clock. The driving load shouldn't be changed at the rising edges of the OSC clock. Otherwise, it will generate a voltage error at the outputs ...

Page 9

... Good printed circuit board layout is necessary for optimum performance. A low impedance and clean analog ground plane should be used for the ISL24006. The traces from the two ground pins to the ground plane must be very short. The thermal pad should be connected to the analog ground plane. Lead length should be as short as possible and all power supply pins must be well bypassed. A 0.1µ ...

Page 10

... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 10 ISL24006 FN6110.1 September 9, 2005 ...

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