cat5122tbi-50-t3 Catalyst Semiconductor, cat5122tbi-50-t3 Datasheet

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cat5122tbi-50-t3

Manufacturer Part Number
cat5122tbi-50-t3
Description
16-tap Minipot? Digitally Programmable Potentiometer With 2-wire Interface
Manufacturer
Catalyst Semiconductor
Datasheet
GND
GND
U/D
U/D
16-Tap MiniPot™ Digitally Programmable
Potentiometers with 2-Wire Interface
FeATures
v
v
v
v
v
v
v
APPlICATIOns
v
v
v
v
v
PIn COnFIGurATIOn
V
V
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
DD
DD
For Ordering Information details, see page 10.
0.3µA ultra-low supply current
single-supply operation: 2.7V to 5.5V
Glitchless switching between resistor taps
Power-on reset to midscale
2-wire up/down serial interface
Resistance values: 10kΩ, 50kΩ and 100kΩ
Available in sC70 and sOT-23 packages
lCD screen adjustment
Volume control
Mechanical potentiometer replacement
Gain adjustment
line impedance matching

2
3

2
3
CAT5121
CAT5120
sOT-23
sOT-23
sC70
sC70
4
6
5
4
6 H
5
H
W
CS
L
CS
GND
U/D
V
DD

2
3
CAT5122
sOT-23
sC70
5
4
H
CS

& $ 7 DQG & $ 7 DUH FRQ¿ J X U HG DV Y D ULDEOH
DesCrIPTIOn
CAT520/52/522 linear-taper digitally programmable
potentiometers perform the same function as a
mechanical potentiometer or a variable resistor. These
GHY L FHVFRQVLVWRID¿ [ H GUHVLVWRUDQGDZLSHUFRQWDF
with 6-tap points that are digitally controlled through a
2-wire up/down serial interface.
7K H & $ 7 LV FRQ¿ J X U HG DV D SRWHQWLRPHWHU7K H
resistors. See Pin Configurations for part functionality.
7K U HHUHVLVWDQFHY D OX H VDUHDY D LODEOHNNDQG
N7K H VHDUHDY D LODEOHLQVSDFHVDY L QJSLQDQG
6-pin SC70 and SOT-23 packages.
FunCTIOnAl DIAGrAM
PIn DesCrIPTIOns
CAT5120, CAT5121, CAT5122
name
GND
GND
V
V
U/D
U/D
CS
CS
W
DD
H
L
DD
Description
Power Supply
Ground
Up/Down Control Input. With CS low, a low-
to-high transition increments or decrements
the wiper position.
Chip Select Input. A high-to-low CS transition
determines the mode: increment if U/D is
high, or decrement if U/D is low.
Low Terminal of Resistor
Wiper Terminal of Resistor
High Terminal of Resistor
H
L
Doc. No. MD-22, Rev. D
W

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cat5122tbi-50-t3 Summary of contents

Page 1

... GND 5 L CAT5121 U © Catalyst Semiconductor, Inc. Characteristics subject to change without notice CAT5120, CAT5121, CAT5122 DesCrIPTIOn CAT520/52/522 linear-taper digitally programmable potentiometers perform the same function as a mechanical potentiometer or a variable resistor. These GHY L FHVFRQVLVWRID¿ GUHVLVWRUDQGDZLSHUFRQWDF with 6-tap points that are digitally controlled through a 2-wire up/down serial interface & ...

Page 2

... TC R INL DNL 2.7V 25ºC, unless DD A Typ Max units Taps 00  2.5 200 ppm/ºC 5 ppm/ºC ±0.5 LSB ±0.5 LSB ±0. ±0.5 LSB 200 600 © Catalyst Semiconductor, Inc. Characteristics subject to change without notice ...

Page 3

... WIPER POSITION 2.7V DD © Catalyst Semiconductor, Inc. Characteristics subject to change without notice = -40ºC to 85ºC. Typical values are Conditions TOGGLE NY D ULDEOHUHVLVWRU FRQ¿ DWLRQ& SETTLE NSRWHQWLRPHWHU FRQ¿ ...

Page 4

... All parts in this family feature power-on reset (POR) circuitry that sets the wiper position to midscale at power- up. By default, the chip is in the increment mode SETTLE SETTLE SETTLE SETTLE © Catalyst Semiconductor, Inc. Characteristics subject to change without notice ...

Page 5

... CAT5121 L © Catalyst Semiconductor, Inc. Characteristics subject to change without notice ADjusTAble GAIn Figure 5 shows how to use the variable resistor to digitally DGMX V WWK H JDLQRIDQRQLQY H UWLQJRSDPSFRQ¿ DWLRQ Connect the CAT52 in series with a resistor to ground to form the adjustable gain control of a noninverting DPSOL¿ ...

Page 6

... Complies with JEDEC standard MO-203. Doc. No. MD-22, Rev. D SYMBOL PACKAGE OUTLINE DRAWING MIN NOM MAX 0.80 1.10 0.00 0.10 0.80 1.00 0.15 0.30 0.10 0.18 1.80 2.00 2.20 1.80 2.10 2.40 1.15 1.25 1.35 0.65 BSC 0.26 0.36 0.46 0.42 REF 0.15 BSC ƒ ƒ ƒ ƒ END VIEW Doc. No. SC706-023-02 09/05/07 © Catalyst Semiconductor, Inc. Characteristics subject to change without notice ...

Page 7

... For current Tape and Reel information, download the PDF file from: www.catsemi.com/documents/tapeandreel.pdf Notes: (1) All dimensions in millimeters. Angles in degrees. (2) Complies with JEDEC standard MO-178. notes: () All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC standard MO-78. © Catalyst Semiconductor, Inc. Characteristics subject to change without notice ...

Page 8

... Complies with JEDEC standard MO-203. Doc. No. MD-22, Rev. D SYMBOL MIN NOM MAX 0.80 1.10 0.00 0.10 0.80 1.00 0.15 0.30 0.10 0.18 1.80 2.00 2.20 1.80 2.10 2.40 1.15 1.25 1.35 0.65 BSC 0.26 0.36 0.46 0.42 REF 0.15 BSC ƒ ƒ ƒ ƒ END VIEW Doc. No. SC705-022-02 09/05/07 © Catalyst Semiconductor, Inc. Characteristics subject to change without notice ...

Page 9

... For current Tape and Reel information, download the PDF file from: www.catsemi.com/documents/tapeandreel.pdf Notes: (1) All dimensions in millimeters. Angles in degrees. (2) Complies with JEDEC standard MO-178. notes: () All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC standard MO-78. © Catalyst Semiconductor, Inc. Characteristics subject to change without notice SYMBOL ...

Page 10

... U HRSWLRQVSOHDVHFRQWDFW QHDUHVW& D WDO\ V W6HPLFRQGX F WRU6DOHVRI¿ Doc. No. MD-22, Rev. D Suffix SD I -10 Package Resistance SD: SC70 N TB: SOT- Temperature Range I = Industrial (-40°C to 85° T10 Tape & Reel T: Tape & Reel 3: 3,000/Reel 10: 10,000/Reel Lead Finish Blank: Matte-Tin G: NiPdAu © Catalyst Semiconductor, Inc. Characteristics subject to change without notice ...

Page 11

... CAT52TBI-50-GT0 CAT52SDI-00-GT3 CAT52SDI-00-GT0 CAT52TBI-00-T3 CAT52TBI-00-T0 CAT52TBI-00-GT3 CAT52TBI-00-GT0 For Product Top Mark Codes, click here: http://www.catsemi.com/techsupport/producttopmark.asp © Catalyst Semiconductor, Inc. Characteristics subject to change without notice resistor Quantity [kΩ] Pin Package per reel 0 SC70-6 ...

Page 12

... SOT23-5 0 SOT23-5 50 SC70-5 50 SC70-5 50 SOT23-5 50 SOT23-5 50 SOT23-5 50 SOT23-5 00 SC70-5 00 SC70-5 00 SOT23-5 00 SOT23-5 00 SOT23-5 00 SOT23-5 2 3,000 0,000 3,000 0,000 3,000 0,000 3,000 0,000 3,000 0,000 3,000 0,000 3,000 0,000 3,000 0,000 3,000 0,000 © Catalyst Semiconductor, Inc. Characteristics subject to change without notice ...

Page 13

... Catalyst Semiconductor products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Catalyst Semiconductor product could create a situation where personal injury or death may occur. ...

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