Parameters |
Factory Lead Time |
1 Week |
Lifecycle Status |
PRODUCTION (Last Updated: 1 week ago) |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
40-WFQFN Exposed Pad |
Number of Pins |
40 |
Operating Temperature |
0°C~70°C |
Packaging |
Tube |
Published |
2012 |
JESD-609 Code |
e3 |
Part Status |
Active |
Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
Number of Terminations |
40 |
Terminal Finish |
Matte Tin (Sn) |
Subcategory |
Analog to Digital Converters |
Max Power Dissipation |
54mW |
Technology |
CMOS |
Terminal Position |
QUAD |
Terminal Form |
NO LEAD |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Supply Voltage |
1.8V |
Terminal Pitch |
0.5mm |
Time@Peak Reflow Temperature-Max (s) |
30 |
Base Part Number |
LTC2257 |
Pin Count |
40 |
Qualification Status |
Not Qualified |
Operating Supply Voltage |
1.8V |
Number of Elements |
1 |
Polarity |
Bipolar |
Configuration |
S/H-ADC |
Interface |
Parallel, SPI, Serial |
Max Supply Voltage |
1.9V |
Min Supply Voltage |
1.7V |
Power Dissipation |
135mW |
Number of Bits |
12 |
Input Type |
Differential |
Architecture |
Pipelined |
Converter Type |
ADC, PROPRIETARY METHOD |
Supply Type |
Single |
Reference Type |
External, Internal |
Data Interface |
LVDS - Parallel, Parallel |
Resolution |
1.5 B |
Sampling Rate |
40 Msps |
Voltage - Supply, Analog |
1.7V~1.9V |
Voltage - Supply, Digital |
1.7V~1.9V |
Number of Analog In Channels |
1 |
Sampling Rate (Per Second) |
40M |
Output Bit Code |
OFFSET BINARY, 2'S COMPLEMENT BINARY |
Linearity Error-Max (EL) |
0.0244% |
Integral Nonlinearity (INL) |
1 LSB |
Sample and Hold / Track and Hold |
SAMPLE |
Ratio - S/H:ADC |
1:1 |
Analog Input Voltage-Max |
2V |
Output Format |
PARALLEL, WORD |
Analog Input Voltage-Min |
1V |
Height Seated (Max) |
0.8mm |
Length |
6mm |
Width |
6mm |
REACH SVHC |
No SVHC |
RoHS Status |
ROHS3 Compliant |
LTC2257CUJ-12#PBF Overview
The analogue to digital converter is designed with 12 Bits.The AD converter is embedded in the 40-WFQFN Exposed Pad package.The ADC converter is packaged in the way of Tube.The ADC converter is equipped with 1 Functions .There are 40 terminations in this electrical AD converter, which are the practice of ending a transmission line with a device that matches the characteristic impedance of the line.The analogue to digital converter is powered from a supply voltage of 1.8V.The A/D converter has 1 channels.The is equipped with 40 pin count.The peak reflow temperature (Cel) amounts to 260 to be essentially indestructible.There are ADC, PROPRIETARY METHOD converters based on the source input voltage and the output voltage.This electronic AD converter is mounted in the way of Surface Mount.When operating, analogue to digital converter's operating temperature should be kept at 0°C~70°C.The number of samples of audio recorded every second is 40M Hz.The input type of this electronic AD converter is Differential.There are External, Internal reference types differentiated on the way by which they are garbage collected. This electronic digital converter is configured in such a way that S/H-ADC.The Sample/Track and Hold component of this electronic AD converter provides a way to sample a continuously varying analog signal and to hold or freeze its value for SAMPLE time.The architecture that analogue to digital converter's core adopts is Pipelined.There are 40 pins, which are pronged contacts as part of a signal interface in a computer or other communications device. The supply/analog voltage of this electrical ADC converter is 1.7V~1.9V, which converts alternative voltage (AC voltage) to regulated direct voltage (DC voltage) and provide regulated DC power in order to drive a load.The number of pixels of this electrical AD converter is 1.5 B, which is on a display or in a camera sensor (specifically in a digital image).This analogue to digital converter is included in Analog to Digital Converters.It belongs to LTC2257 family.Single is a coding scheme for identifying supply types.The supply/digital voltage of this electrical AD converter is 1.7V~1.9V.Surface Mount can be used to mount the analogue to digital converter.The ADC converter operates with the maximal supply voltage of 1.9V.It operates with the minimal supply voltage of 1.7V.The output formats of this electrical AD converter are PARALLEL, WORD , which are used to determine which data is exported and how data is displayed in many areas of OLIB.This electrical digital converter operates from a supply voltage of 1.8V.The maximal analog input voltage of this electrical AD converter is 2V.As an undesirable derivative of its primary action, The heat (energy loss or waste) that this electronic or electrical digital converter produces is 135mW. The maximal heat (energy loss or waste) that this electronic or electrical ADC converter produces is 54mW.The minimal analog input voltage of this electrical AD converter is 1V.The ADC converter consists of 1 elements.
LTC2257CUJ-12#PBF Features
1 Functions
40 basic kinds of terminations
40 pin count
Minimal supply voltage of 1.7V
1 elements
LTC2257CUJ-12#PBF Applications
There are a lot of Linear Technology/Analog Devices LTC2257CUJ-12#PBF ADC applications.
- Handheld Terminal Interface
- Digital beam-forming systems for ultrasound
- Wireless local loop
- AC motor control
- Scientific instruments
- RADAR processing, digital oscilloscopes
- GSM, EDGE, PHS, UMTS, WCDMA, CDMA2000,
- Multicarrier, multimode digital receivers
- In-building wireless telephony
- Medical Imaging