N 16 25 Green (RoHS CU NIPDAU N / A for Pkg Type -55 to 125 CD4051BE & no Sb/Br) CD4051BF ACTIVE CDIP J 16 1 TBD A42 N / A for Pkg Type -55 to 125 CD4051BF CD4051BF3A ACTIVE CDIP J 16 1 TBD A42 N / A for Pkg Type -55 to 125 CD4051BF3A CD4051BM ACTIVE SOIC D 16 40
CD4051B, CD4052B, CD4053B Data sheet acquired from Harris Semiconductor August 1998 - Revised October 2003 SCHS047G Features The CD4051B is a single 8-Channel multiplexer having three binary control inputs
x ration. p r e e D x e r m Ordering Code: u Order Number Package Number Package Description i l CD4051BCM M16A 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrowx CD4051BCSJ M16D 16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide e CD4051BCMTC MTC16 16-Lead Thin Shrink
CD4051B, CD4052B, CD4053B
SCHS0470 – AUGUST 1998 – REVISED MAY 2026
TEXAS INSTRUMENTS
www.ti.com
8 Application and Implementation
8.1 Application Information
8.2 Typical Application
Figure 8-1. The CD4051B Being Used to Help Read Button Presses on a Keypad
CD4051
Input
Microcontroller
Channel Select
3.3 V
5V
VDD
VEE
VSS
Pull-down resistors (10kΩ)
n f h g w f e i i o p e L R t t t t t t A B B B B B B A X4 6Pin Tasten 30 - 500 1 2 3 4 5 6 1 D CD4051 470-1050 D A 11 PCF8574 Low 1,5V V 10 B 100 µA * 2000 = 0,2 V C 9 13 X0 14 X1 X 3 15 6 X2 INH 12 X3 1 X4 5 X5 IN7 2 X6 S E IN8 4 X7 S E V V 8 7 CD4051B IC2 X1 a2 b2 RS 1 2 RW EN 3 4 BtUp Button B B
TLV272 Temp. 8SMDn IC8 Ausgang des Miller-Integrators wieder Ruhepotential führt. Endstufe T 2 K CD4051 6 K R 1 - +5V Multiplexer + 7 Vom Prozessor wird die Zeit, die zum Aufintegrieren benötigt R38 B -2.5V Ref 100K 5 + 16 IC7 C50 wird, genau erfasst. Aus dem Verhältnis der Zeiten für das S C47 D17 C48 TLV272 T 2 . 3 1 CD4051 100n Ab- und Aufintegrieren und den verwendeten Vorwiderstän- - 100n / 100n R 8 SMD Temp. 8 SMD 8 SMD Trafo T M den kann exakt die anliegende Spannung ermittelt werden. K L Für jeden Messkanal wiederholt
R10 SMD 9 14 -5V C14 Thermo- 1k - D + / C15 C16 C20 7 0 D BC848 element ST2 C8 C9 SMD/1% 8 0 %D CD4051 C + 8 12 + 2 R 1 S SMD k D R 1 1S 10 TL084 l 100n 100n 100n 10n 2 0 M R 0 M + SMD a SMD SMD SMD SMD R 1 S 1 S 100n 100n TL084 SMD R18 r SMD SMD 1k SMD u j ST5 -5V V L Potentialausgleich Differenzverstarker
BU4 4 0 4 K 4 K 4 K 2 5 EN¯ EN-1 -2V5 ref 1 R 1 R 2 R 2 R 2 4 6 7 2 R46 7 VEE -5V 270n LiPo 3 1K CD4051 4 0 100V Protector R 1 7 K 8 R Stereo- C27 R 1 R 4 Klinkenbuchse AD- X X Umge- Wandler IC8 Kühlkörper S S bungs- 1n 13 Temperatur 9 9 Tem- R50 IC8 - R51 A A 100K 9 - + 14 10K T4 S S peratur 8 12 D
TA21 16 8 8 16 3 6 9 C E Standby U I P I 3 1 2 C311 C310 C308 C312 I 30 5 I 30 6 IC 307 I 30 8 C329 CD 4051 LC 168 FM 24 04 CD 4052 TA 2 TA5 TA8 TA11 TA14 TA17 TA20 TA22 2 - SM D 100n SMD 100n SM D 100n SMD 100n 1 8 SM D 5 SM D 4 SMD 8 SM D SMD A + 3 + 0 1 k D 2 5 8 Entr R emote M emory Lock TLC272 3 2
Characteristics CASE 648 Low–noise – 12 nV/÷Cycle , f ↓ 1.0 kHz Typical Pin–for–Pin Replacement for CD4051, CD4052, and CD4053 D SUFFIX For 4PDT Switch, See MC14551B SOIC ÎÎÎÎÎÎFor Lower RÎÎON , Use the HC4051, HC4052, or HC4053 High–Speed CASE 751B CMOS Devices ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ MAXIMUM RATINGS* ORDERING
Characteristics CASE 648 Low–noise – 12 nV/÷Cycle , f ↓ 1.0 kHz Typical Pin–for–Pin Replacement for CD4051, CD4052, and CD4053 D SUFFIX For 4PDT Switch, See MC14551B SOIC ÎÎÎÎÎÎFor Lower RÎÎON , Use the HC4051, HC4052, or HC4053 High–Speed CASE 751B CMOS Devices ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ MAXIMUM RATINGS* ORDERING
specifications pub- / with a single supply near or below +2V, although as lished by RCA for the CD4051/CD4052/CD4053. These M supply voltage decreases, switch on-resistance designations differ from the standard Maxim switch and A becomes very high. mux designations found on other Maxim data sheets (
Bild
Bild
Bild
Bild
Bild
Bild
Bild
Bild
