ISL90840WIV2027Z Intersil, ISL90840WIV2027Z Datasheet
ISL90840WIV2027Z
Specifications of ISL90840WIV2027Z
Available stocks
Related parts for ISL90840WIV2027Z
ISL90840WIV2027Z Summary of contents
Page 1
... PART MARKING ISL90840UIV2027Z (Notes 1 and 2) ISL90840UI27Z ISL90840UIV2027 ISL90840UI27 ISL90840UAV2027Z (Notes 1 and 2) ISL90840UA27Z ISL90840WIV2027Z (Notes 1 and 2) ISL90840WI27Z ISL90840WIV2027 ISL90840WI27 ISL90840WAV2027Z (Notes 1 and 2) ISL90840WA27Z NOTES: 1. Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations ...
Page 2
Functional Diagram SCL SDA A0 INTERFACE A1 A2 Block Diagram INTERFACE SDA SCL ISL90840 GND ...
Page 3
Pin Descriptions TSSOP PIN SYMBOL 1 RH3 2 RL3 3 RW3 SCL 6 SDA 7 GND 8 RW2 9 RL2 10 RH2 11 RW1 12 RL1 13 RH1 VCC 17 D.N.C. 18 ...
Page 4
Absolute Maximum Ratings Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C Voltage at Any Digital Interface Pin With Respect to ...
Page 5
Analog Specifications Over recommended operating conditions unless otherwise stated. (Continued) SYMBOL PARAMETER TC Resistance temperature coefficient R (Note 17) Operating Specifications Over the recommended operating conditions unless otherwise specified. SYMBOL PARAMETER I V supply current (volatile CC1 CC write/read) I ...
Page 6
Operating Specifications Over the recommended operating conditions unless otherwise specified. (Continued) SYMBOL PARAMETER t STOP condition setup time SU:STO t STOP condition hod time for read, or HD:STO volatile only write t Output data hold time DH (Note 18) t ...
Page 7
SDA vs SCL Timing SCL t SU:STA t HD:STA SDA (INPUT TIMING) SDA (OUTPUT TIMING) A0, A1, and A2 Pin Timing START SCL SDA IN A0, A1 Typical Performance Curves 160 V =2.7, T=+85°C CC 140 V =2.7, ...
Page 8
Typical Performance Curves 0.2 V =5.5, T=-40°C CC 0.15 V =2.7, T=+25°C CC 0.1 0.05 0 -0.05 -0.1 V =5.5, T=+25°C CC -0.15 V =2.7, T=+85° 100 150 TAP POSITION (DECIMAL) FIGURE 3. DNL vs TAP ...
Page 9
Typical Performance Curves 1.5 1 2.7V 0.5 5.5V 0 -0.5 -1 -1.5 -40 - TEMPERATURE (°C) FIGURE 9. END TO END R % CHANGE vs TOTAL TEMPERATURE FOR 50kΩ ( -15 -25 32 ...
Page 10
Principles of Operation The ISL90840 is an integrated circuit incorporating four DCPs with their associated registers, and an I interface providing direct communication between a host and the potentiometers. DCP Description Each DCP is implemented with a combination of resistor ...
Page 11
SCL SDA START FIGURE 15. VALID DATA CHANGES, START, AND STOP CONDITIONS SCL FROM MASTER SDA OUTPUT FROM TRANSMITTER HIGH IMPEDANCE SDA OUTPUT FROM RECEIVER START FIGURE 16. ACKNOWLEDGE RESPONSE FROM RECEIVER 11 ISL90840 DATA DATA DATA STABLE CHANGE STABLE ...
Page 12
SIGNALS FROM THE MASTER SIGNAL AT SDA SIGNALS FROM THE ISL90840 S SIGNALS T FROM THE A IDENTIFICATION MASTER R BYTE WITH T R/W SIGNAL AT SDA SIGNALS FROM THE SLAVE Write ...
Page 13
... 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 ...