ICL7107CM44Z Intersil, ICL7107CM44Z Datasheet
ICL7107CM44Z
Specifications of ICL7107CM44Z
Available stocks
Related parts for ICL7107CM44Z
ICL7107CM44Z Summary of contents
Page 1
... 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 ...
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 ...