ISL267440IUZ-T7A Intersil, ISL267440IUZ-T7A Datasheet
ISL267440IUZ-T7A
Specifications of ISL267440IUZ-T7A
Related parts for ISL267440IUZ-T7A
ISL267440IUZ-T7A Summary of contents
Page 1
... CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. | 1-888-INTERSIL or 1-888-468-3774 Copyright Intersil Americas Inc. 2011, 2012. All Rights Reserved Intersil (and design trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. 1024 2048 ...
Page 2
Typical Connection Diagram REF REF Pin Configuration Pin Descriptions ISL267440, ISL267450A PIN NAME PIN NUMBER VDD 8 Supply voltage, +2.7V to 5.25V. SCLK 7 Serial clock input. Controls digital I/O timing and clocks the conversion. SDATA 6 Digital conversion output. ...
Page 3
... Ordering Information PART NUMBER (Note 4) ISL267440IUZ (Note 3) ISL267440IUZ-T (Notes 1, 3) ISL267440IUZ-T7A (Notes 1, 3) ISL267450AIUZ (Note 3) ISL267450AIUZ -T (Notes 1, 3) ISL267450AIUZ -T7A (Notes 1, 3) ISL267440IHZ-T (Notes 1, 2) ISL267440IHZ-T7A (Notes 1, 2) ISL267450AIHZ-T (Notes 1, 2) ISL267450AIHZ-T7A (Notes 1, 2) NOTES: 1. Please refer to TB347 for details on reel specifications. ...
Page 4
Table of Contents Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 5
... Ld SOT-23 Package (Notes 6, 7 +0.3V Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C DD Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+150°C Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp = +3.0V to +3.6V 18MHz 1MSPS, V SCLK S = +25°C. Boldface limits apply over the operating temperature A ...
Page 6
Electrical Specifications 1MSPS 2.5V unless otherwise noted. Typical values are REF CM REF range, -40°C to +85°C. (Continued) SYMBOL PARAMETER Absolute Input Voltage Range VIN+, VIN– VIN+ ...
Page 7
Timing Specifications Limits established by characterization and are not production tested 1MSPS 2.0V 4.75V to 5.25V REF DD the operating temperature range, -40°C to +85°C. SYMBOL PARAMETER f Clock Frequency SCLK ...
Page 8
Typical Performance Characteristics 75 70 4.75V 3.6V 2. 100 INPUT FREQUENCY (kHz) FIGURE 5. ISL267450A SINAD vs ANALOG INPUT FREQUENCY FOR VARIOUS SUPPLY VOLTAGES 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 -100 10k ...
Page 9
Typical Performance Characteristics 3.0 2.5 2.0 1.5 1.0 Pos DNL 0.5 Neg DNL 0.0 -0.5 -1.0 0.0 0.5 1.0 1.5 2.0 V (V) REF FIGURE 11. CHANGE IN DNL vs VREF FOR THE ISL267450A FOR 2.5 ...
Page 10
Typical Performance Characteristics 70k 60k 65,516 CODES 50k 40k 30k 20k 10k 10 CODES 0 2044 2045 2046 2047 CODE FIGURE 17. HISTOGRAM OF 10,000 CONVERSIONS INPUT FOR THE ISL267450A WITH V 0 -20 -40 -60 -80 ...
Page 11
Functional Description The ISL267440, ISL267450A are based on a successive approximation register (SAR) architecture utilizing capacitive charge redistribution digital to analog converters (DACs). Figure 21 shows a simplified representation of the converter. During the acquisition phase (ACQ) the differential input ...
Page 12
V 5.0 4.0 VIN+ 2.0V P-P 3.0 2.0 1.0 VREF = 2V V 5.0 VIN+ 4.0 2.5V P-P 3.0 2.0 1.0 VREF = 2.5V FIGURE 24. RELATIONSHIP BETWEEN VREF AND FULL-SCALE RANGE Note that there is a trade-off between VREF ...
Page 13
BULK + 0.1µF FIGURE 27. PRECISION VOLTAGE REFERENCE FOR +5V SUPPLY +2.7V TO +3. OUT FIGURE 28. VOLTAGE REFERENCE FOR +2.7V TO +3.6V, OR FOR +5V SUPPLY Converter Operation The ISL267440 and ISL267450A are designed ...
Page 14
Power vs Throughput Rate The ISL267440 and ISL267450A provide reduced power consumption at lower conversion rates by automatically switching into a low-power mode after completing a conversion. The average power consumption of the ADC decreases at lower throughput rates. Figure ...
Page 15
Data Format Output data is encoded in two’s complement format as shown in Table 1. The voltage levels in the table are idealized and don’t account for any gain/offset errors or noise. TABLE 1. TWO’S COMPLEMENT DATA FORMATTING INPUT VOLTAGE ...
Page 16
... Initial release. Products Intersil Corporation is a leader in the design and manufacture of high-performance analog semiconductors. The Company's products address some of the industry's fastest growing markets, such as, flat panel displays, cell phones, handheld products, and notebooks. Intersil's product families address power management and analog signal processing functions complete list of Intersil product families ...
Page 17
Package Outline Drawings M8.118 8 LEAD MINI SMALL OUTLINE PLASTIC PACKAGE Rev 4, 7/11 3.0±0. PIN TOP VIEW H 0.25 - 0.36 0. SIDE VIEW 1 (5.80) (4.40) (3.00) ...
Page 18
... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. ...