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TC3400VOA Datasheet

  • TC3400VOA

  • !.8V, Low Power, 16-Bit Sigma-Delta A/D Converter

  • 16頁(yè)

  • MICROCHIP   MICROCHIP

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TC3400
+1.8V, Low Power, 16-Bit Sigma-Delta A/D Converter
Features
鈥?16-bit Resolution at Eight Conversions Per
Second, Adjustable Down to 10-bit Resolution at
512 Conversions Per Second
鈥?1.8V 鈥?5.5V Operation, Low Power Operating
260碌A(chǔ); Sleep: 0.75碌A(chǔ)
鈥?microPort鈩?Serial Bus Requires only two
Interface Lines
鈥?Uses Internal or External Reference
鈥?Automatically Enters Sleep Mode when not in use
Package Type
8-Pin SOIC
IN+
IN-
REF
IN
GND
1
2
3
4
8 V
DD
TC3400
7
6
5
SCLK
SDAT
REF
OUT
Applications
鈥?Consumer Electronics, Thermostats, CO
Monitors, Humidity Meters, Security Sensors
鈥?Embedded Systems, Data Loggers, Portable
Equipment
鈥?Medical Instruments
IN+
IN-
REF
IN
GND
1
2
3
4
8-Pin PDIP
8 V
DD
TC3400
7
6
5
SCLK
SDAT
REF
OUT
Device Selection Table
Part Number
TC3400VPA
TC3400VOA
Package
8-Pin PDIP (Narrow)
8-Pin SOIC (Narrow)
Temperature
Range
0擄C to +85擄C
0擄C to +85擄C
General Description
The TC3400 is a low cost, low power analog-to-digital
converter based on Microchip鈥檚 Sigma-Delta technol-
ogy. It will perform 16-bit conversions (15-bit plus sign)
at up to eight per second. The TC3400 is optimized for
use as a microcontroller peripheral in low cost, battery
operated systems. A voltage reference is included, or
an external reference can be used.
The TC3400鈥檚 2-wire microPort鈩?digital interface is
used for starting conversions and for reading out the
data. Driving the SCLK line low starts a conversion.
After the conversion starts, each additional falling edge
(up to six) detected on SCLK for t
4
seconds reduces
the A/D resolution by one bit and cuts conversion time
in half. After a conversion is completed, clocking the
SCLK line puts the MSB through LSB of the resulting
data word onto the SDAT line, much like a shift register.
The part automatically sleeps when not performing a
data conversion.
The TC3400 is available in a 8-Pin PDIP and a 8-Pin
SOIC package.
2002 Microchip Technology Inc.
DS21409B-page 1
漏

TC3400VOA 產(chǎn)品屬性

  • 100

  • 集成電路 (IC)

  • 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器

  • -

  • 16

  • 8

  • 串行

  • 1

  • -

  • 單電源

  • 0°C ~ 85°C

  • 表面貼裝

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SOICN

  • 管件

  • 1 個(gè)差分，單極

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