TC3403 MICROCHIP [Microchip Technology], TC3403 Datasheet - Page 2

• Manufacturer Part Number: TC3403
• Description: +1.8V Low Power, Quad Input, 16-Bit Sigma-Delta A/D Converter with a Power Fault Monitor and Microprocessor Reset Circuit
• Manufacturer: MICROCHIP [Microchip Technology]

TC3403
Typical Application
Functional Block Diagram
DS21412B-page 2
V
0.1µF
BATT
IN1+
IN2+
IN4+
IN3+
V
PFI
C1
A0
A1
TH
+
+
+
+
130k
R1
110k
R2
1.205V
390
+
–
+
–
+
+
–
1.205V
–
R3
+
+
–
–
D Q
D Q
SET
CLR
CLR
SET
IN1+
IN2+
IN3+
IN4+
V
REF
REF
TH
AMux
1 of 4
TC3403
TC3403
IN
OUT
V
DD
Conv.
Start
RESET
Reset Delay
V
SCLK
SDAT
BATT
PFO
V
GND
Timer
PFI
DD
A0
A1
Modulator
and Control
Generator
Circuitry
Σ – ∆
Clock
100k
R6
100k
V
1MΩ
R7
R4
BATT
V
1.193V
BATT
Data
Reg.
Shift
x2
C2
10µF
RST
I/01
I/02
I/03
I/04
I/05
I/06
Controller
V
V
BATT
CC
µ
RESET
PFO
REF
SCLK
SDAT
REF
©
OUT
IN
2002 Microchip Technology Inc.