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TC3400VPA

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
2002 Microchip Technology Inc. DS21409B-page 7
TC3400
FIGURE 3-2: CONVERSION AND DATA OUTPUT TIMING
FIGURE 3-3: SCLK AND SDAT WAVEFORMS FOR 16, 12 AND 10-BIT CONVERSIONS
SCLK
SDAT
t
4
t
1
t
2
t
3
t
8
t
8
D
N-1
D
N-2
D
0
(LSB)
D
N
(MSB)
t
5
Data Conversion
Complete
Start Conversion and Resolution Control Timin
g
Data Out
p
ut Timin
g
Sleep
Mode
SCLK
SDAT
t
3
a
16-bit Data Conversion,
Data Word A5A5h
SCLK
SDAT
16-bit Data Conversion, Long Start Pulse,
Data Word 5A5Ah
> t
3
a
Data Conversion
Complete
SCLK
SDAT
12-bit Conversion,
Data Word = AB3h
SCLK
SDAT
t
3
g
10-bit Conversion with "Extra"
Data Reduction Clocks, Data Word = 3A4h
Data Conversion
Complete
Data Conversion
Complete
Data Conversion
Complete
t
3
e
< t
4
< t
4
TC3400
DS21409B-page 8 2002 Microchip Technology Inc.
FIGURE 3-4: A/D OPERATIONAL FLOWCHART
Yes
No
Yes
No
Yes
Yes
Yes
No
No
No
Yes
Yes
No
Yes
No
POR
Sleep
SDAT = High
SCLK
Hgh to Low?
Power Up Analog,
Start CONVCLK (= 0),
Start Conversion,
Resolution = 2m
(m = 16), Latch Input
Channel Address (if applicable).
SCLK
Low to High
transition?
SDAT = Low
CONVCLK
< 2
9
?
SCLK
High to Low?
A/D
Resolution
> 2
10
?
Reduce A/D
Resolution by 1-bit
(m = m – 1);
SDAT = High
SDAT = Low
CONVCLK = 2m?
(Conversion Done?)
Power Down Analog,
Conversion Complete,
SDAT = High
SCLK
High to Low?
SDAT = Dm;
m = m – 1
m ≥ 0?
SDAT = High
Internal Reset
Sleep
No
2002 Microchip Technology Inc. DS21409B-page 9
TC3400
4.0 PACKAGING INFORMATION
4.1 Package Marking Information
Package marking data not available at this time.
4.2 Taping Forms
Component Taping Orientation for 8-Pin SOIC (Narrow) Devices
Package Carrier Width (W) Pitch (P) Part Per Full Reel Reel Size
8-Pin SOIC (N) 12 mm 8 mm 2500 13 in
Carrier Tape, Number of Components Per Reel and Reel Size
Standard Reel Component Orientation
for TR Suffix Device
PIN 1
User Direction of Feed
P
W
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

TC3400VPA

Mfr. #:
Buy TC3400VPA
Manufacturer:
Microchip Technology
Description:
Analog to Digital Converters - ADC 16-Bit Sigma-Delta
Lifecycle:
New from this manufacturer.
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