Microchip MCP3221 12 I 2 C TM 12 1LSB DNL 2LSB INL 250 A 5nA 1 A I 2 C TM I 2 C 100kHz I 2 C 400kHz 2 8 I 2 C 22.3ksps 2.7V 5.5V 40 +85 40 +125 SOT-23 Microchip MCP3221 12 A/D SOT-23 CMOS MCP3221 250 A 1 A SOT-23 MCP3221 2 I 2 C100kHz I 2 C 400kHz I 2 C I 2 C 2 8 MCP3221 2.7V 5.5V 1LSB 2LSB 5 SOT-23A
1 0 * V DD 7.0V V SS 0.6V V DD +0.6V SDA SCL V SS 0.6V V DD +1.0V 65 150 65 125 150 HBM 4kV * V DD +2.7V 5.5V V SS AIN SDA / SCL
DC 1 5-6 2 100% 3 R PU =SDA SCL 4 SDA SCL=V SS V DD 400kHz 5 t ACQ t CONV SCL 5-5 5-6 DC
1 5-6 2 100% 3 R PU =SDA SCL 4 SDA SCL=V SS V DD 400kHz 5 t ACQ t CONV SCL 5-5 5-6 V DD =5.0V V SS =GND T A 40 +85 T A 40 +125 T A 40 +125 T A 65 +150 5L-SOT23A JA 256 /W
1 100% 2 1-1
2 0 V DD =5V V SS =0V I 2 C SCL=400kHz f SAMP =22.3ksps T A =+25 2-1 INL 2-4 INL V DD =2.7V 2-2 INL V DD I 2 C TM f SCL =100kHz 2-5 INL V DD I 2 C TM f SCL =400kHz 2-3 INL 2-6 INL V DD =2.7V
2-7 INL 2-10 INL V DD =2.7V 2-8 DNL 2-11 DNL V DD =2.7V 2-9 DNL V DD I 2 C TM f SCL =100kHz 2-12 DNL V DD I 2 C TM f SCL =400kHz
2-13 DNL 2-16 DNL V DD =2.7V 2-14 DNL 2-17 DNL V DD =2.7V 2-15 V DD 2-18 V DD
2-19 2-22 2-20 SNR 2-23 - SINAD 2-21 THD 2-24 - SINAD
2-25 ENOB V DD 2-28 ENOB 2-26 SFDR 2-29 I 2 C TM 1kHz 2-27 I 2 C TM 1kHz 2-30 I DD V DD
2-31 I DD 2-34 I DDA 2-32 I DD 2-35 I DDA 2-33 I DDA V DD 2-36 I DDS V DD
2-37 I DDS 2-38 2 1 2-39 3 0 3-1 3-1 V DD +2.7V 5.5V V SS AIN SDA / SCL 3 1 V DD V SS V DD V SS 6.4
3 2 AIN AIN SAR 6.1 V SS V DD 3 3 SDA SDA SDA V DD SCL 100kHz 10k SCL 400kHz 2k 6.2 I 2 C SDA SCL SDA SCL START STOP 5.1 I 2 C 3 4 SCL SCL SDA SCL V DD SCL 100kHz 10k SCL 400kHz 2k 6.2 I 2 C SDA SCL SDA SCL START STOP 6.1 4 0 MCP3221 SAR 12 12 2 I 2 C MCP3221 22.3ksps SCL 400kHz 4 1 MCP3221 V DD V DD LSB LSB LSB =V DD /4096 V DD = MCP3221 MSB 4 2 t CONV MCP3221 8.96 s SCL
1.12 s SCL 18 5.2 4-1 A/D DNL 1LSB DNL DNL DNL INL DNL MCP3221 A/D INL A/D V SS 1/2 LSB
A/D V DD 1.5LSB 12 I 2 C SCL SDA I 2 C SCL 100kHz I 2 C SCL 400kHz 5.0 START STOP 5-1 5 1 1 A 5 1 2 B SCL SDA START 5 1 3 C SCL SDA STOP 5 1 4 D
5 1 5 SDA SDA NAK MCP3221 MCP3221 2 SCL MCP3221 5-1 4 1010 MCP3221 3 A2 A1 A0 1001 Microchip 8 MCP3221 8 MCP3221 1 0 MCP3221 1 MCP3221 I 2 C2 6-2 MCP3221 R/W 1 0 MCP3221 ACK 6.3
1 Microchip 5-2 MCP3221 5 3 1 R/W ADC 5-3 5-4
R/W SCL ADC ACK=0 MCP3221 SCL 5-3 LSB LSB 5-6 5 3 2 MCP3221 4 0 4 ACK= 8 MCP3221 8 ACK= MCP3221 5-5 5 3 3 LSB 5-6 5-6
6 0 6 1 MCP3221 AIN AIN V SS V DD INL DNL AIN V SS +1/2LSB 000h AIN V DD 1.5LSB FFFh 6-1 R SS R S C SAMPLE MCP6022 MCP6022 VA= R SS = AIN= C PIN = V T = I LEADAGE = SS= R S = C SAMPLE = / 6-1 AIN 6 2 I 2 C I 2 C SDA SCL 6-2 R PU f SCL =100kHz 10k f SCL =400kHz 2k
400pF 6-3 6-3 I 2 C TM 6 3 I 2 C MCP3221 6-4 R/W 0 MCP3221 ACK SDA I 2 C I 2 C 6-4 6 4 6 4 1 MCP3221 V DD 0.1 F 10 F 6-5 MCP3221
6 4 2 V DD 0.1 F V DD 6-6 MCP3221 ADC AN688 12 A/D 6-6 V DD 6 4 3 MCP3221 V DD 6-7 MCP1541 4.096V 2% 6-7
7 0 7 1 5 SOT-23A EIAJ SC-74 1 + 2 + 3 4 * Microchip Microchip Microchip
5 OT SOT23 * D E1 0.010 0.254 JEDEC MO-178 C04-091
XX X /XX MCP3221T 12 2 I= 40 +85 E= 40 +125 XX A2 A1 A0 A0 = 0 0 0 A1 = 0 0 1 A2 = 0 1 0 A3 = 0 1 1 A4 = 1 0 0 A5* = 1 0 1 A6 = 1 1 0 A7 = 1 1 1 OT=SOT-23 5 a) MCP3221A0T-I/OT A0 b) MCP3221A1T-I/OT A1 c) MCP3221A2T-I/OT A2 d) MCP3221A3T-I/OT A3 e) MCP3221A4T-I/OT A4 f) MCP3221A5T-I/OT A5 g) MCP3221A6T-I/OT A6 h) MCP3221A7T-I/OT A7 a) MCP3221A0T-E/OT A0 b) MCP3221A1T-E/OT A1 c) MCP3221A2T-E/OT A2 d) MCP3221A3T-E/OT A3 e) MCP3221A4T-E/OT A4 f) MCP3221A5T-E/OT A5 g) MCP3221A6T-E/OT A6 h) MCP3221A7T-IE/OT A7