ISL45042IRZ-T Intersil, ISL45042IRZ-T Datasheet - Page 2

• Manufacturer Part Number: ISL45042IRZ-T
• Description: IC LCD MODULE CALIBRATOR 8-DFN
• Manufacturer: Intersil
• Type: Calibratorr

Specifications of ISL45042IRZ-T

• Applications: LCD Display
• Mounting Type: Surface Mount
• Package / Case: 8-TDFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pin Descriptions
Block Diagram
CTL
AVDD
OUT
DNC
GND
V
CTL
SET
PIN
CE
DD
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 in “Pin Descriptions” on page 2 for the maximum adjustable sink current setting.
High-Voltage Analog Supply. Connects to top of external resistor divider to determine the V
programming, 4.5V to 20V normal operation (before/after programming). Bypass to GND with 0.1µF de-coupling capacitor.
Do Not Connect. This pin may be left unconnected or tied to GND. Do not apply any non-zero voltages or signals to this pin.
Ground connection.
Low-Voltage Digital Supply for digital logic. Typically 3V to 3.6V. Bypass to GND with 0.1µF de-coupling capacitor.
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 in “Electrical Specifications” table on page 4 for details.
Counter Enable Pin with internal pull-down resistor. Connect CE to VDD to enable adjustment of the output sink current. Float or
connect CE to GND to prevent further adjustment or programming.
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.
400kΩ
5MΩ
to
DIGITAL INTERFACE
GND
WITH THRESHOLD
SENSORS
2
CE
VDD
PRGM
PWRUP
PRGM
DWN
POR
POR
UP
UP/DOWN COUNTER
ISL45042
WITH PRESET
NVL MEMORY
READ
ISL45042
LATCHES
EEPROM
IBIAS
OR
FUNCTION
PRGM MEMORY
COM
CURRENT OUTPUT
ANALOG DCP AND
voltage. 10.8V to 20V for EEPROM
BLOCK
AVDD
April 13, 2011
IOUT
SET
FN6072.9