參數(shù)資料
型號(hào): TC3404VQRRT
元件分類: ADC
英文描述: 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16
封裝: QSOP-16
文件頁(yè)數(shù): 10/13頁(yè)
文件大小: 81K
代理商: TC3404VQRRT
6
TC3404
TC3404-1 3/30/00
+1.8V, Low Power, Quad-Input,
16-Bit
A/D Converter with
a Power Fault Monitor
2001 Microchip Technology Inc.
DS21413A
FUNCTIONAL BLOCK DIAGRAM
The Power Fail detector, may be used as a Wake-up or
Watch-dog Timer. The Typical Application Circuit on Page
1 shows an RC network on PFI with the capacitor tied to a
tri-stated
C I/O pin. If R4 is 1 M and C2 is 10F, the time
constant is roughly ten seconds. The
C resets the RC
network by driving the I/O tied to PFI low and then tri-stating
it. The RC network will ramp to 1.23V in roughly 9 seconds,
assuming a VBATT of 3.0V. With PFO tied to a C input or
interrupt, the
C will see a low-to-high transition on PFO
when voltage on PFI exceeds 1.23V. The PFO output is
guaranteed to be valid for VDD = 1.3 to 5.5V.
A0
IN2
IN3+
SDAT
REFIN
REFOUT
SCLK
CLOCK
GENERATOR
AND CONTROL
CIRCUITRY
DATA
SHIFT
REG
∑ –
Modulator
1 of 4
AMux
+
+
x2
CONV
done
CONVCLK
DQ
SET
CLR
1.193V
VDD
CLK
OUT
Start
Conv.
DQ
SET
CLR
A1
IN1
+
IN4+
+
PFO
PFI
+
1.205V
IN3–
IN4–
GND
相關(guān)PDF資料
PDF描述
TC3404VQRTR 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16
TC3404VPE 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDIP16
TC3404VQR 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16
TC3405VPE 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDIP16
TC3405VQR 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16
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