Mounting Style
: SMD/SMT
Architecture
: Delta-Sigma
Packaging
: Tube
Input Type
: Voltage
SNR
: Yes
Maximum Operating Temperature
: + 85 C
Number of Converters
: 1
Number of ADC Inputs
: 1
Supply Voltage - Max
: 5.25 V
Maximum Power Dissipation
: 8.5 mW
Voltage Reference
: 2.5 V
Supply Voltage - Min
: 4.75 V
Resolution
: 22 bit
Conversion Rate
: 6.25 KSPs
Interface Type
: SSI
Package / Case
: SOP-18
DescriptionThe ADS1212U is designed as one kind of 22-bit analog-to-digital converter device that is also designed for high resolution measurement applications such as (1)industrial process control; (2)instrumentation; (3)blood analysis; (4)smart transmitters; (5)portable instruments; (6)weigh scales; (7)pressure transducers. This device includes a 4 channel input multiplexer and is available in 24-pin DIP, 24-lead SOIC, and 28-lead SSOP packages.
Features of the ADS1212U are:(1)DELTA-SIGMA A/D converter; (2)22 bits no missing codes; (3)20 bits effective resolution at 10Hz and 16 bits at 1000Hz; (4)low power: 1.4mW; (5)differential inputs; (6)programmable gain amplifier; (7)SPI compatible ssi interface; (8)programmable cut-off frequency up to 6.25kHz; (9)internal/external reference; (10)on chip self-calibration; (11)ADS1213 includes 4 channel MUX.
The absolute maximum ratings of the ADS1212U can be summarized as:(1)AVDD to DVDD: -0.3 V to 6 V;(2)AVDD to AGND: -0.3 V to 6 V;(3)DVDD to DGND: -0.3 V to 6 V;(4)AGND to DGND: ±0.3 V;(5)REFIN Voltage to AGND: -0.3V to AVDD+0.3V;(6)Digital Input Voltage to DGND: -0.3V to DVDD+0.3V;(7)Digital Output Voltage to DGND: -0.3V to DVDD+0.3V;(8)Lead Temperature (soldering, 10s): +300°C;(9)Power Dissipation (Any package): 500 mW. If you want to know more information about the ADS1212U, please download the datasheet in www.seekic.com or www.chinaicmart.com .
Parameters: | Technical/Catalog Information | ADS1212U |
| Vendor | Texas Instruments |
| Category | Integrated Circuits (ICs) |
| Number of Bits | 22 |
| Package / Case | 18-SOIC (7.5mm Width) |
| Data Interface | Serial |
| Packaging | Tube |
| Sampling Rate (Per Second) | 6.25k |
| Operating Temperature | -40°C ~ 85°C |
| Voltage Supply Source | Analog and Digital |
| Number of Inputs and Type | 2 Single-Ended, Unipolar; 2 Single-Ended, Bipolar; 1 Differential, Unipolar; 1 Differential, Bipolar |
| Number of Converters | 1 |
| Power Dissipation (Max) | 1.8mW |
| Drawing Number | 296; 4202498; DTC; 18 |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | ADS1212U
ADS1212U
|
ADS1212U Data Sheet
