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What is ADS1234?

This electronic component, produced by the manufacturer "Burr-Brown", performs the same function as "(ADS1232 / ADS1234) 24-Bit Analog-to-Digital Converter".


ADS1234 Datasheet PDF - Burr-Brown

Part Number ADS1234
Description (ADS1232 / ADS1234) 24-Bit Analog-to-Digital Converter
Manufacturers Burr-Brown 
Logo Burr-Brown Logo 


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BurrĆBrown Products
from Texas Instruments
ADS1232
ADS1234
Ultra Low-Noise, 24-Bit Analog-to-Digital Converter
SBAS350 – JUNE 2005
FEATURES
Up to 23.5 Effective Bits
RMS Noise:
– 17nV at 10Hz
– 44nV at 80Hz
On-Board Low Noise Gain-Amp
19.2-Bit Noise-Free Resolution at Gain = 64
Simultaneous 50Hz and 60Hz Rejection:
– Internal Clock: 110 dB
– External Clock: 130 dB
• ±1% Low-Drift On-Board Oscillator
Selectable Gains of 1, 2, 64, and 128
Selectable 10/80SPS Conversion Rates
2-Channel Differential Input with Built-In Temp
sensor (ADS1232)
4-Channel Differential Input (ADS1234)
External Reference up to AVDD
Simple Serial Digital Interface
Supply Range: 2.7V to 5.3V
–40°C to +105°C Temperature Range
DESCRIPTION
The ADS1232 and ADS1234 are precision
analog-to-digital (A/D) converters featuring true 23.5
effective-bit performance and exceptional ease of
use. Selectable gains of 1, 2, 64, or 128 allow
full-scale differential input ranges of ±2.5V to
±19.5mV with a +5V reference. While the ADS1232
offers a two-channel differential input and a built-in
temperature sensor, the ADS1234 features a
four-channel differential input multiplexer. A very
low-noise Gain-Amp features low differential input
current to minimize errors when using
high-impedance transducers. An on-board oscillator
is provided for excellent 50Hz and 60Hz rejection
without an external clock source. The devices also
feature a low current driver to accommodate an
external crystal; they also accept external clock
sources for all applications.
All of the features of the ADS1232/ADS1234 are
hard-wire selected, without software programming.
Data is accessed over a simple serial interface
compatible with popular microcontrollers such as the
MSP430. The ADS1232 is available in the 24-pin
TSSOP package, and the ADS1234 is available in
the 28-pin TSSOP.
APPLICATIONS
Weigh Scales
Strain Gauges
Bridge Sensors
Industrial Process Control
AVDD
CAP
REFP REFN DVDD
AINP1
AINN1
AINP2
AINN2
AINP3
AINN3
AINP4
AINN4
A = 1, 2, 64,
128
Input
Mux
PGA
∆Σ ADC
Internal Oscillator
External Oscillator
GAIN [1:0]
PDWN
DRDY/DOUT
SCLK
SPEED
A1/TEMP(1) A0
ADS1234 Only
AGND CAP XTAL1/CLKIN XTAL2 DGND
NOTE: (1) A1 for ADS1234, TEMP for ADS1232.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCT PREVIEW information concerns products in the forma-
tive or design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the
right to change or discontinue these products without notice.
Copyright © 2005, Texas Instruments Incorporated

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ADS1234 equivalent
www.ti.com
DEVICE INFORMATION
ADS1232
ADS1234
SBAS350 – JUNE 2005
DVDD 1
DGND 2
XTAL1/CLKIN 3
XTAL2 4
DGND 5
DGND 6
TEMP 7
A0 8
CAP 9
CAP 10
AINP1 11
AINN1 12
ADS1232
24 DRDY/DOUT
23 SCLK
22 PDWN
21 SPEED
20 GAIN1
19 GAIN0
18 AVDD
17 AGND
16 REFP
15 REFN
14 AINP2
13 AINN2
DVDD 1
DGND 2
XTAL1/CLKIN 3
XTAL2 4
DGND 5
DGND 6
A1 7
A0 8
CAP 9
CAP 10
AINP1 11
AINN1 12
AINP3 13
AINN3 14
ADS1234
28 DRDY/DOUT
27 SCLK
26 PDWN
25 SPEED
24 GAIN1
23 GAIN0
22 AVDD
21 AGND
20 REFP
19 REFN
18 AINP2
17 AINN2
16 AINP4
15 AINN4
5


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On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ADS1234 electronic component.


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