参数资料
型号: ISL45042IRZ-TK
厂商: INTERSIL CORP
元件分类: 消费家电
英文描述: LCD Module Calibrator
中文描述: SPECIALTY CONSUMER CIRCUIT, PDSO8
封装: 3 X 3 MM, LEAD FREE, PLASTIC, TDFN-8
文件页数: 2/8页
文件大小: 129K
代理商: ISL45042IRZ-TK
2
FN6072.6
November 14, 2006
Pin Descriptions
PIN
FUNCTION
OUT
Adjustable Sink Current Output Pin. The current sinks into the OUT pin is equal to the DAC setting times the maximum adjustable sink
current divided by 128. See SET pin function description for the maxim adjustable sink current setting.
AVDD
High-Voltage Analog Supply. Connects to top of external resistor divider to determine the VCOM voltage. Typically 10V to 20V. Bypass
to GND with 0.1μF de-coupling capacitor.
N/C
No Connect. Not internally connected.
GND
Ground connection.
V
DD
ISL45042 power supply input. Bypass to GND with 0.1μF de-coupling capacitor.
CTL
Internal Counter Up/Down Control and Internal EEPROM Programming Control Input. If CE is high, a mid-to-low transition increments
the 7-bit counter, raising the DAC setting, increasing the OUT sink current, and lowering the divider voltage at OUT. A mid-to-high
transition decrements the 7-bit counter, lowering the DAC setting, decreasing the OUT sink current, and increasing the divider voltage
at OUT. Applying 4.9V and above with appropriately arranged timing will overwrite EEPROM with the contents in the 7-bit counter.
See EEPROM Programming section for details.
CE
Counter Enable Pin. Connect CE to V
DD
to enable adjustment of the output sink current. Float or connect CE to GND to prevent
further adjustment or programming (note: the CE pin has an internal pull down resistor).
SET
Maximum Sink Current Adjustment Point. Connect a resistor from the SET pin to GND to set the maximum adjustable sink current of
the OUT pin. The maximum adjustable sink current is equal to (AVDD/20) divided by RSET. The maximum set current has to be less
than 120
μ
A.
Block Diagram
ISL45042
DIGITAL INTERFACE
WITH THRESHOLD
SENSORS
UP/DOWN COUNTER
WITH PRESET
LATCHES
EEPROM
OR
NVL MEMORY
ANALOG DCP AND
CURRENT OUTPUT
BLOCK
AVDD
IOUT
SET
CTL
CE
V
DD
GND
UP
DWN
PWRUP
PRGM
POR
POR
PRGM
IBIAS
READ
PRGM MEMORY
400k
Ω
to
500k
Ω
ISL45042
相关PDF资料
PDF描述
ISL45042 LCD Module Calibrator
ISL45042IR-T LCD Module Calibrator
ISL45042IR LCD Module Calibrator
ISL45042IRZ LCD Module Calibrator
ISL45042IRZ-T LCD Module Calibrator
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