ICL7106/7107 IA BLE A VA ICL7106/ICL7107 1 3 ⁄ 2 Digit A/D Converters General Description Features The Maxim ICL7106/ICL7107 are monolithic analog-to- S Improved 2nd Source (see Page 3 for “Maxim digital
ICL7106, ICL7107, ICL7107S ® Data Sheet December 1, 2005 FN3082.8 3 / Digit, LCD/LED Display, A/D Features 2 Converters • Guaranteed Zero Reading for 0V Input on All Scales The Intersil ICL7106 and ICL7107
ICL7106, ICL7107, ICL7107S ® Data Sheet December 1, 2005 FN3082.8 3 / Digit, LCD/LED Display, A/D Features 2 Converters • Guaranteed Zero Reading for 0V Input on All Scales The Intersil ICL7106 and ICL7107
DATASHEET ICL7106, ICL7107, ICL7107S 31/2 Digit, LCD/LED Display, A/D Converters The ICL7106 and ICL7107 are high performance, low power, Features 3 /2digit A/D converters. Included are seven segment decoders, display
ICL7106, ICL7107 S E M I C O N D U C T O R ICL7106S, ICL7107S 3 / Digit, 2 January 1998 LCD/LED Display, A/D Converters Features Description • Guaranteed Zero Reading for 0V Input on All Scales The Harris
ICL7106, ICL7107, ICL7106S, ICL7107S 3 / Digit, 2 January 1998 LCD/LED Display, A/D Converters Features Description • Guaranteed Zero Reading for 0V Input on All Scales The Intersil ICL7106 and ICL7107
(LCD for ICL7106EV/KIT, LEDs for ICL7107EV/KIT), the exceptional noise performance of the ICL7106 and passive components, and miscellaneous hardware. ICL7107. In fact, the noise level (not exceeded 95% of time)
for use with either the low power ICL7126 or the resistor per decade range of interest. The conversion output ICL7107. Using the ICL7126 simply requires a change in the is described by the formula: values of the integrating and auto-zero components. Refer to R the ICL7126 data sheet for details. - -X 1000 (EQ. 8) R STD The ICL7107 is an LED version of the ICL7106, and is a bit trickier to use in this application. First the over-range/under- range logic must
the Maxim ●● Hold Pin Allows Indefinite Display Hold ICL7106 and ICL7107 in that the ICL7116 and ICL7117 ●● Guaranteed First Reading Recovery from Overrange have a Hold pin, which makes it possible to hold or “freeze” a reading. These integrating ADCs have
ICL7106CM44_to_ICL7107R... Fertig
COMMON
FIGURE 4B.
FIGURE 4. USING AN EXTERNAL REFERENCE
TEST
The TEST pin serves two functions. On the ICL7106 it is coupled to the internally generated digital supply
Schaltungistdas nenanschlußpunkt „b"). Die Spannungen ne Erzeugung einer zusätzlichen negativen IC 2 des Typs ICL7107. Hierbei handelt es an den Eingangsklemmen „c" und „d" kön Versorgungsspannung in Verbindung mit nen bis auf c'a. 1,5 V sowohl an die positive den Invertern N 1 bis N 6. sich um einen Analog/Digital-Wandler
4049N 1 R5 14 15 1 10k GND IC1D 2 2 2 4 3 3 3 3 3 1 2 2 3 3 4049N 9 10 - F T 1 2 3 T +F + D V I O GND ICL7107CPLZ A U I S S S E ER V G F F R1 R6 4049N Farnell: 9663568 B O O O T CC P R R INHI 31 B 1M 96,7k COMMON 32 max 200mV C6 INLO 30 7 0 10n R 1 MESS+ L 4 P A G F E D C B A G F E D C B A G F E D C B A
der Meßwerte SpannunganPin5desIC3Bleichtunter- male Kühlung der Endstufe. setzendieAD-WandlerdesTypsICL7107 halb der Spannung an Pin 6 (Massepoten- Über den Widerstand R 16 gelangt die dieandenEingangspins30,31anliegende tial)absinkt.DaraufhinstrebtderAusgang am Temperatursensor (TS 1) anliegende Meßspannung
19 1 1 1 2 0 VMRDY R7133 220 35 P O O I T RX 1 0 1 0 1 / 1 1 3 B 74 R7087 27K POFF KEYINT1 18 8 2 8 ICL3221E 9 7 2 1 R7134 220 P38/TXDA2/SDA00 0 1 2 3 4 5 5 / 1 7 0 T1 3 3 6 7/ 4 4 3 3 2 1 B K S O 0 0 0 7 7 Q7010 7 0 0 HDMIMUT 36 P39/RXDA2/SCL00 1 1 1 1 1 1 5 5 B 7 7 P 8 8 A A R R I I I I I I O C 0 /
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