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What is L7107CPL?

This electronic component, produced by the manufacturer "Intersil Corporation", performs the same function as " ICL7107CPL".


L7107CPL Datasheet PDF - Intersil Corporation

Part Number L7107CPL
Description ICL7107CPL
Manufacturers Intersil Corporation 
Logo Intersil Corporation Logo 


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®
Data Sheet
ICL7106, ICL7107, ICL7107S
September 15, 2005
FN3082.7
31/2 Digit, LCD/LED Display, A/D
Converters
The Intersil ICL7106 and ICL7107 are high performance, low
power, 31/2 digit A/D converters. Included are seven
segment decoders, display drivers, a reference, and a clock.
The ICL7106 is designed to interface with a liquid crystal
display (LCD) and includes a multiplexed backplane drive;
the ICL7107 will directly drive an instrument size light
emitting diode (LED) display.
The ICL7106 and ICL7107 bring together a combination of
high accuracy, versatility, and true economy. It features auto-
zero to less than 10µV, zero drift of less than 1µV/oC, input
bias current of 10pA (Max), and rollover error of less than
one count. True differential inputs and reference are useful in
all systems, but give the designer an uncommon advantage
when measuring load cells, strain gauges and other bridge
type transducers. Finally, the true economy of single power
supply operation (ICL7106), enables a high performance
panel meter to be built with the addition of only 10 passive
components and a display.
Features
• Guaranteed Zero Reading for 0V Input on All Scales
• True Polarity at Zero for Precise Null Detection
• 1pA Typical Input Current
• True Differential Input and Reference, Direct Display Drive
- LCD ICL7106, LED lCL7107
• Low Noise - Less Than 15µVP-P
• On Chip Clock and Reference
• Low Power Dissipation - Typically Less Than 10mW
• No Additional Active Circuits Required
• Enhanced Display Stability
• Pb-Free Plus Anneal Available (RoHS Compliant)
Ordering Information
PART NO.
PART MARKING
TEMP. RANGE
(°C)
PACKAGE
PKG. DWG. #
ICL7106CPL
ICL7106CPL
0 to 70
40 Ld PDIP
E40.6
ICL7106CPLZ (Note 2)
ICL7106CPLZ
0 to 70
40 Ld PDIP(Pb-free) (Note 3)
E40.6
ICL7106CM44
ICL7106CM44
0 to 70
44 Ld MQFP
Q44.10x10
ICL7106CM44Z (Note 2)
ICL7106CM44Z
0 to 70
44 Ld MQFP (Pb-free)
Q44.10x10
ICL7106CM44ZT (Note 2)
ICL7106CM44Z
0 to 70
44 Ld MQFP Tape and Reel (Pb-free) Q44.10x10
ICL7107CPL
ICL7107CPL
0 to 70
40 Ld PDIP
E40.6
ICL7107CPLZ (Note 2)
ICL7107CPLZ
0 to 70
40 Ld PDIP(Pb-free) (Note 3)
E40.6
ICL7107RCPL
ICL7107RCPL
0 to 70
40 Ld PDIP (Note 1)
E40.6
ICL7107RCPLZ (Note 2)
ICL7107RCPLZ
0 to 70
40 Ld PDIP (Pb-free) (Notes 1, 3) E40.6
ICL7107SCPL
ICL7107SCPL
0 to 70
40 Ld PDIP (Notes 1, 3)
E40.6
ICL7107SCPLZ (Note 2)
ICL7107SCPLZ
0 to 70
40 Ld PDIP (Pb-free) (Notes 1, 3) E40.6
ICL7107CM44
ICL7107CM44
0 to 70
44 Ld MQFP
Q44.10x10
ICL7107CM44T
ICL7107CM44
0 to 70
44 Ld MQFP Tape and Reel
Q44.10x10
ICL7107CM44Z (Note 2)
ICL7107CM44Z
0 to 70
44 Ld MQFP (Pb-free)
Q44.10x10
ICL7107CM44ZT (Note 2)
ICL7107CM44Z
0 to 70
44 Ld MQFP Tape and Reel (Pb-free) Q44.10x10
NOTES:
1. “R” indicates device with reversed leads for mounting to PC board underside. “S” indicates enhanced stability.
2. 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.
3. Pb-free PDIPs can be used for through hole wave solder processing only. They are not intended for use in Reflow solder processing applications.
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2002, 2004, 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

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L7107CPL equivalent
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ICL7106, ICL7107, ICL7107S
Design Information Summary Sheet
• OSCILLATOR FREQUENCY
fOSC = 0.45/RC
COSC > 50pF; ROSC > 50k
fOSC (Typ) = 48kHz
• OSCILLATOR PERIOD
tOSC = RC/0.45
• INTEGRATION CLOCK FREQUENCY
fCLOCK = fOSC/4
• INTEGRATION PERIOD
tINT = 1000 x (4/fOSC)
• 60/50Hz REJECTION CRITERION
tINT/t60Hz or tlNT/t60Hz = Integer
• OPTIMUM INTEGRATION CURRENT
IINT = 4µA
• FULL SCALE ANALOG INPUT VOLTAGE
VlNFS (Typ) = 200mV or 2V
• INTEGRATE RESISTOR
RINT
=
V-----I--N----F---S--
IINT
• INTEGRATE CAPACITOR
CINT
=
(---t--I--N----T----)--(--I--I--N----T----)
VINT
• INTEGRATOR OUTPUT VOLTAGE SWING
VINT
=
(---t--I--N----T----)--(--I--I--N----T----)
CINT
• VINT MAXIMUM SWING:
(V- + 0.5V) < VINT < (V+ - 0.5V), VINT (Typ) = 2V
• DISPLAY COUNT
COUNT
=
1000
×
---V-----I-N-----
VREF
• CONVERSION CYCLE
tCYC = tCL0CK x 4000
tCYC = tOSC x 16,000
when fOSC = 48kHz; tCYC = 333ms
• COMMON MODE INPUT VOLTAGE
(V- + 1V) < VlN < (V+ - 0.5V)
• AUTO-ZERO CAPACITOR
0.01µF < CAZ < 1µF
• REFERENCE CAPACITOR
0.1µF < CREF < 1µF
• VCOM
Biased between Vi and V-.
• VCOM V+ - 2.8V
Regulation lost when V+ to V- < 6.8V
If VCOM is externally pulled down to (V+ to V-)/2,
the VCOM circuit will turn off.
• ICL7106 POWER SUPPLY: SINGLE 9V
V+ - V- = 9V
Digital supply is generated internally
VGND V+ - 4.5V
• ICL7106 DISPLAY: LCD
Type: Direct drive with digital logic supply amplitude.
• ICL7107 POWER SUPPLY: DUAL ±5.0V
V+ = +5V to GND
V- = -5V to GND
Digital Logic and LED driver supply V+ to GND
• ICL7107 DISPLAY: LED
Type: Non-Multiplexed Common Anode
Typical Integrator Amplifier Output Waveform (INT Pin)
AUTO ZERO PHASE
(COUNTS)
2999 - 1000
SIGNAL INTEGRATE
PHASE FIXED
1000 COUNTS
DE-INTEGRATE PHASE
0 - 1999 COUNTS
TOTAL CONVERSION TIME = 4000 x tCLOCK = 16,000 x tOSC
5
FN3082.7


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L7107CPLThe function is ICL7107CPL. Intersil CorporationIntersil Corporation

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