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ADS7953SRHBT Arkusz danych(PDF) 1 Page - Texas Instruments

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Numer części ADS7953SRHBT
Szczegółowy opis  Single-Ended, MicroPower, Serial Interface ADCs
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Producent  TI1 [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI1 - Texas Instruments

ADS7953SRHBT Arkusz danych(HTML) 1 Page - Texas Instruments

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MXO
AINP
Ch0
Chn
(1)
Ch2
Ch1
High input
impedance PGA
(or non inverting
buffer such as
THS4031)
GPIO1
GPIO2
GPIO3
PGA Gain
Control
GPIO0
high-alarm
low-alarm
SDI
SCLK
CS
SDO
To
Host
REF
REF5025
o/p
10 µF
ADC
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
ADS7950, ADS7951, ADS7952, ADS7953, ADS7954, ADS7955
ADS7956, ADS7957, ADS7958, ADS7959, ADS7960, ADS7961
SLAS605B – JUNE 2008 – REVISED JULY 2015
ADS79xx 12/10/8-Bit, 1 MSPS, 16/12/8/4-Channel, Single-Ended, MicroPower, Serial
Interface ADCs
1 Features
3 Description
The ADS79xx is a 12/10/8-bit multichannel analog-to-
1
1-MHz Sample Rate Serial Devices
digital converter family. The following table shows all
Product Family of 12/10/8-Bit Resolution
twelve devices from this product family.
Zero Latency
The devices include a capacitor based SAR A/D
20-MHz Serial Interface
converter with inherent sample and hold.
Analog Supply Range: 2.7 to 5.25 V
The devices accept a wide analog supply range from
I/O Supply Range: 1.7 to 5.25 V
2.7 V to 5.25 V. Very low power consumption makes
Two SW Selectable Unipolar, Input Ranges: 0 to
these
devices
suitable
for
battery-powered
and
isolated power supply applications.
2.5 V and 0 to 5 V
Auto and Manual Modes for Channel Selection
A wide 1.7-V to 5.25-V I/O supply range facilitates a
glue-less interface with the most commonly used
12, 8, 4-Channel Devices can Share 16 Channel
CMOS digital hosts.
Device Footprint
Two Programmable Alarm Levels per Channel
The serial interface is controlled by CS and SCLK for
easy connection with microprocessors and DSP.
Four Individually Configurable GPIOs for TSSOP
package devices. One GPIO for QFN devices
The input signal is sampled with the falling edge of
CS. It uses SCLK for conversion, serial data output,
Typical Power Dissipation: 14.5 mW (+VA = 5 V,
and reading serial data in. The devices allow auto
+VBD = 3V) at 1 MSPS
sequencing
of
preselected
channels
or
manual
Power-Down Current (1
μA)
selection of a channel for the next conversion cycle.
Input Bandwidth (47 MHz at 3 dB)
There are two software selectable input ranges (0 V
38-,30-Pin TSSOP and 32-,24-Pin QFN Packages
to 2.5 V and 0 V to 5 V), four individually configurable
GPIOs ( in case of TSSOP package devices), and
2 Applications
two programmable alarm thresholds per channel.
These features make the devices suitable for most
PLC / IPC
data acquisition applications.
Battery Powered Systems
The devices offer an attractive power-down feature.
Medical Instrumentation
This is extremely useful for power saving when the
Digital Power Supplies
device is operated at lower conversion speeds.
Touch Screen Controllers
The 16/12-channel devices from this family are
High-Speed Data Acquisition Systems
available in a 38-pin TSSOP and 32 pin VQFN
High-Speed Closed-Loop Systems
package and the 4/8-channel devices are available in
a 30-pin TSSOP and 24 pin VQFN packages.
Detailed Block Diagram
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TSSOP (30)
7.80 mm × 4.40 mm
VQFN (24)
4.00 mm × 4.00 mm
ADS79xx
TSSOP (38)
9.70 mm × 4.40 mm
VQFN (32)
5.00 mm × 5.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.


Podobny numer części - ADS7953SRHBT

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Texas Instruments
ADS7953SRHBT TI1-ADS7953SRHBT Datasheet
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[Old version datasheet]   12/10/8-Bit, 1 MSPS, 16/12/8/4-Channel, Single-Ended, MicroPower, Serial Interface ADCs
ADS7953SRHBT TI1-ADS7953SRHBT Datasheet
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Podobny opis - ADS7953SRHBT

ProducentNumer częściArkusz danychSzczegółowy opis
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[Old version datasheet]   12/10/8-Bit, 1 MSPS, 16/12/8/4-Channel, Single-Ended, MicroPower, Serial Interface ADCs
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