IC ADC 3.5 DIGIT LCD/LED 44-MQFP

ICL7106CM44Z

Manufacturer Part NumberICL7106CM44Z
DescriptionIC ADC 3.5 DIGIT LCD/LED 44-MQFP
ManufacturerIntersil
ICL7106CM44Z datasheet
 


Specifications of ICL7106CM44Z

Display TypeLCDConfiguration7 Segment
Digits Or CharactersA/D 3.5 DigitsVoltage - Supply4.75 V ~ 5.25 V
Operating Temperature0°C ~ 70°CMounting TypeSurface Mount
Package / Case44-MQFP, 44-PQFPLead Free Status / RoHS StatusLead free / RoHS Compliant
Current - Supply-Interface-
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Data Sheet
1
3
/
Digit, LCD/LED Display, A/D
2
Converters
The Intersil ICL7106 and ICL7107 are high performance, low
1
power, 3
/
digit A/D converters. Included are seven
2
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/
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.
Ordering Information
PART NO.
PART MARKING
ICL7106CPL
ICL7106CPL
ICL7106CPLZ (Note 2)
ICL7106CPLZ
ICL7106CM44
ICL7106CM44
ICL7106CM44Z (Note 2)
ICL7106CM44Z
ICL7106CM44ZT (Note 2)
ICL7106CM44Z
ICL7107CPL
ICL7107CPL
ICL7107CPLZ (Note 2)
ICL7107CPLZ
ICL7107RCPL
ICL7107RCPL
ICL7107RCPLZ (Note 2)
ICL7107RCPLZ
ICL7107SCPL
ICL7107SCPL
ICL7107SCPLZ (Note 2)
ICL7107SCPLZ
ICL7107CM44
ICL7107CM44
ICL7107CM44T
ICL7107CM44
ICL7107CM44Z (Note 2)
ICL7107CM44Z
ICL7107CM44ZT (Note 2)
ICL7107CM44Z
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
ICL7106, ICL7107, ICL7107S
December 1, 2005
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 15µV
• On Chip Clock and Reference
• Low Power Dissipation - Typically Less Than 10mW
o
C, input
• No Additional Active Circuits Required
• Enhanced Display Stability
• Pb-Free Plus Anneal Available (RoHS Compliant)
TEMP. RANGE
(°C)
PACKAGE
0 to 70
40 Ld PDIP
0 to 70
40 Ld PDIP(Pb-free) (Note 3)
0 to 70
44 Ld MQFP
0 to 70
44 Ld MQFP (Pb-free)
0 to 70
44 Ld MQFP Tape and Reel (Pb-free) Q44.10x10
0 to 70
40 Ld PDIP
0 to 70
40 Ld PDIP(Pb-free) (Note 3)
0 to 70
40 Ld PDIP (Note 1)
0 to 70
40 Ld PDIP (Pb-free) (Notes 1, 3)
0 to 70
40 Ld PDIP (Notes 1, 3)
0 to 70
40 Ld PDIP (Pb-free) (Notes 1, 3)
0 to 70
44 Ld MQFP
0 to 70
44 Ld MQFP Tape and Reel
0 to 70
44 Ld MQFP (Pb-free)
0 to 70
44 Ld MQFP Tape and Reel (Pb-free) Q44.10x10
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.
FN3082.8
P-P
PKG. DWG. #
E40.6
E40.6
Q44.10x10
Q44.10x10
E40.6
E40.6
E40.6
E40.6
E40.6
E40.6
Q44.10x10
Q44.10x10
Q44.10x10

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ICL7106CM44Z Summary of contents

  • Page 1

    ... Ordering Information PART NO. PART MARKING ICL7106CPL ICL7106CPL ICL7106CPLZ (Note 2) ICL7106CPLZ ICL7106CM44 ICL7106CM44 ICL7106CM44Z (Note 2) ICL7106CM44Z ICL7106CM44ZT (Note 2) ICL7106CM44Z ICL7107CPL ICL7107CPL ICL7107CPLZ (Note 2) ICL7107CPLZ ICL7107RCPL ICL7107RCPL ICL7107RCPLZ (Note 2) ICL7107RCPLZ ICL7107SCPL ICL7107SCPL ICL7107SCPLZ (Note 2) ...

  • Page 2

    Pinouts ICL7106, ICL7107 (PDIP) TOP VIEW (1’ (10’ ...

  • Page 3

    Absolute Maximum Ratings Supply Voltage ICL7106 ...

  • Page 4

    Electrical Specifications (Note 3) (Continued) PARAMETER DISPLAY DRIVER ICL7107 ONLY Segment Sinking Current Except Pins AB4 and POL Pin AB4 Only Pin POL Only NOTES: 3. Unless otherwise noted, specifications apply to both the ICL7106 and ICL7107 ...

  • Page 5

    Design Information Summary Sheet • OSCILLATOR FREQUENCY f = 0.45/RC OSC C > 50pF; R > 50kΩ OSC OSC f (Typ) = 48kHz OSC • OSCILLATOR PERIOD t = RC/0.45 OSC • INTEGRATION CLOCK FREQUENCY CLOCK ...

  • Page 6

    Detailed Description Analog Section Figure 3 shows the Analog Section for the ICL7106 and ICL7107. Each measurement cycle is divided into three phases. They are (1) auto-zero (A-Z), (2) signal integrate (INT) and (3) de-integrate (DE). Auto-Zero Phase During auto-zero ...

  • Page 7

    Analog COMMON This pin is included primarily to set the common mode voltage for battery operation (ICL7106) or for any system where the input signals are floating with respect to the power supply. The COMMON pin sets a voltage that ...

  • Page 8

    V+ BP ICL7106 DECIMAL POINT SELECT TEST CD4030 FIGURE 6. EXCLUSIVE ‘OR’ GATE FOR DECIMAL POINT DRIVE Digital Section Figures 7 and 8 show the digital section for the ICL7106 and ICL7107, respectively. In the ICL7106, an internal digital ground ...

  • Page 9

    TYPICAL SEGMENT OUTPUT V+ 0.5mA TO SEGMENT 8mA DIGITAL GROUND † THREE INVERTERS ONE INVERTER SHOWN FOR CLARITY OSC 1 System Timing Figure 9 shows the clocking arrangement used in the ICL7106 and ICL7107. Two basic clocking arrangements can be ...

  • Page 10

    Component Value Selection Integrating Resistor Both the buffer amplifier and the integrator have a class A output stage with 100µA of quiescent current. They can supply 4µA of drive current with negligible nonlinearity. The integrating resistor should be large enough ...

  • Page 11

    ... The circuits which follow show some of the possibilities, and serve to illustrate the exceptional versatility of these A/D converters. The following application notes contain very useful information on understanding and applying this part and are available from Intersil Corporation. Typical Applications TO PIN 1 OSC 1 40 100kΩ ...

  • Page 12

    Typical Applications (Continued) TO PIN 1 OSC 1 40 100kΩ OSC 2 39 OSC 3 38 100pF TEST 37 REF HI 36 REF LO 35 1kΩ REF 0.1µ REF COMMON ...

  • Page 13

    Typical Applications (Continued) TO PIN 1 OSC 1 40 100kΩ OSC 2 39 OSC 3 38 100pF TEST 37 REF HI 36 REF REF 0.1µ REF COMMON ...

  • Page 14

    Typical Applications (Continued) TO PIN 1 OSC 1 40 100kΩ OSC 2 39 OSC 3 38 100pF TEST 37 REF HI 36 REF REF 0.1µ REF COMMON ...

  • Page 15

    Dual-In-Line Plastic Packages (PDIP INDEX N/2 AREA -B- -A- D BASE PLANE -C- SEATING PLANE 0.010 (0.25 NOTES: 1. Controlling Dimensions: INCH. In case of conflict between ...

  • Page 16

    ... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. 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 ...

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