ISL22343TFV20Z Intersil, ISL22343TFV20Z Datasheet
ISL22343TFV20Z
Specifications of ISL22343TFV20Z
Related parts for ISL22343TFV20Z
ISL22343TFV20Z Summary of contents
Page 1
... Each DCP can be used as three-terminal potentiometers or as two-terminal variable resistors in a wide variety of applications including control, parameter adjustments, and signal processing. Ordering Information PART NUMBER (Notes 1, 2) PART MARKING ISL22343TFV20Z 22343 TFVZ ISL22343TFR20Z 22343 TFRZ ISL22343UFV20Z 22343 UFVZ ISL22343UFR20Z 22343 UFRZ ...
Page 2
Block Diagram SCL SDA A0 INTERFACE A1 Pinouts ISL22343 (20 LEAD TSSOP) TOP VIEW 1 RH3 2 RL3 3 RW3 SCL 6 SDA 7 GND 8 RW2 9 RL2 10 RH2 2 ISL22343 VCC V- POWER-UP, CONTROL ...
Page 3
... EPAD* * Note: PCB thermal land for QFN EPAD should be connected to V- plane or left floating. For more information refer to http://www.intersil.com/data/tb/TB389.pdf 3 ISL22343 RH3 “High” terminal of DCP3 RL3 “Low” terminal of DCP3 RW3 “Wiper” terminal of DCP3 2 A2 Device address input for the I ...
Page 4
... Thermal Information Thermal Resistance (Typical, Note 3) 20 Lead TSSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95 +0 Lead QFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 Maximum Junction Temperature (Plastic Package +150°C Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp CC Recommended Operating Conditions Temperature Range (Full Industrial .-40°C to +125°C Power Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15mW 2.25V to 5. -2.25V to -5.5V Max Wiper Current ± ...
Page 5
Analog Specifications Over recommended operating conditions unless otherwise stated. (Continued) SYMBOL PARAMETER TC Ratiometric temperature coefficient V (Note 11) f -3dB cut off frequency cutoff (Note 18) RESISTOR MODE (Measurements between RWi and RLi with RHi not connected, or between ...
Page 6
Operating Specifications Over the recommended operating conditions unless otherwise specified. (Continued) SYMBOL PARAMETER I V Current (standby Current (standby) V- Current (shutdown Current (shutdown) V-SD I Leakage current, at pins ...
Page 7
Operating Specifications Over the recommended operating conditions unless otherwise specified. (Continued) SYMBOL PARAMETER SERIAL INTERFACE SPECS V A1, A0, SDA, and SCL IL input buffer LOW voltage V A1, A0, SDA, and SCL IH input buffer HIGH voltage Hysteresis SDA ...
Page 8
Operating Specifications Over the recommended operating conditions unless otherwise specified. (Continued) SYMBOL PARAMETER Cb Capacitive loading of (Note 18) SDA or SCL Rpu SDA and SCL bus pull-up (Note 18) resistor off-chip t A1 and A0 setup time SU:A t ...
Page 9
DCP Macro Model R TOTAL 10pF 25pF RW SDA vs SCL Timing SCL t SU:STA t HD:STA SDA (INPUT TIMING) SDA (OUTPUT TIMING) A2, A1 and A0 Pin Timing START SCL SDA A2, A1, A0 ...
Page 10
Typical Performance Curves 100 150 TAP POSITION (DECIMAL) FIGURE 1. WIPER RESISTANCE vs TAP POSITION [ I(RW FOR 10kΩ (W) CC TOTAL 0. ...
Page 11
Typical Performance Curves 0 5.5V CC 0.25 0 -0. 2.25V CC -0. 100 150 TAP POSITION (DECIMAL) FIGURE 7. DNL vs TAP POSITION IN RHEOSTAT MODE FOR 10kΩ (W) 1.60 1.20 0.80 5.5V 0.40 ...
Page 12
Typical Performance Curves SCL WIPER FIGURE 13. MIDSCALE GLITCH, CODE 7Fh TO 80h Pin Description Potentiometers Pins RHi and RLi The high (RHi) and low (RLi) terminals of the ISL22343 are equivalent to the fixed terminals of a mechanical potentiometer. ...
Page 13
RWi and RLi increases monotonically, while the resistance between RHi and RWi decreases monotonically. While the ISL22343 is being powered up, the WRi is reset to 80h (128 decimal), which locates RWi roughly at the ...
Page 14
SCL is HIGH (See Figure 16). A STOP condition at the end of a read operation the end of a write operation places the device in its standby mode. An ACK (Acknowledge software convention used to ...
Page 15
... Amplifier ISL28272 to adjust output offset to zero voltages. DCP1 programs the gain of the ISL28272 from 90 to 110 with 5V output for 10A current through current sense resistor. DCP2 and DCP3 are used for another channel of dual ISL28272 correspondently (not shown in Figure 20). More application examples can be found at http://www.intersil.com/data/an/AN1145.pdf ...
Page 16
DC/DC CONVERTER OUTPUT 0.005Ω 10k 0.1µF + 50k, 1% RH0 R 2 RW0 1k, 1% RL0 50k DCP0 (1/4 ISL22343U) PROGRAMMABLE OFFSET ±25mV R 3 50k, 1% -5V + bus -5V FIGURE 20. CURRENT ...
Page 17
... Dimensions D2 and E2 are for the exposed pads which provide improved electrical and thermal performance. 8. Nominal dimensions are provided to assist with PCB Land Pattern Design efforts, see Intersil Technical Brief TB389. 9. Features and dimensions A2, A3, D1, E1, P & θ are present when Anvil singulation method is used and not present for saw singulation. 10. Compliant to JEDEC MO-220VHHC Issue I except for the " ...
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 ...