CAT5271ZI-50-GT3 ON Semiconductor, CAT5271ZI-50-GT3 Datasheet - Page 3

• Manufacturer Part Number: CAT5271ZI-50-GT3
• Description: IC POT DPP 50K 256TAP 10MSOP
• Manufacturer: ON Semiconductor

Specifications of CAT5271ZI-50-GT3

• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Mounting Type: Surface Mount
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Temperature Coefficient: 100 ppm/°C Typical
• Interface: I²C, 2-Wire Serial
• Resistance In Ohms: 50K
• Number Of Circuits: 2
• Memory Type: Volatile
• Taps: 256
• Number Of Pots: Dual
• Taps Per Pot: 256
• Resistance: 50 KOhms
• Wiper Memory: Volatile
• Digital Interface: I2C
• Operating Supply Voltage: 2.7 V to 5.5 V
• Supply Current: 0.3 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Description/function: Dual 256-Tap Digital Potentiometer
• Mounting Style: SMD/SMT
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Tolerance: 20 %
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DC CHARACTERISTICS — RHEOSTAT MODE
DC CHARACTERISTICS — POTENTIOMETER DIVIDER MODE
RESISTOR TERMINALS
DIGITAL INPUTS
POWER SUPPLIES
DYNAMIC CHARACTERISTICS (Notes 8 and 10)
Table 3. ELECTRICAL CHARACTERISTICS: 50 kW and 100 kW Versions
V
Resistor Differential Nonlinearity (Note 4)
Resistor Integral Nonlinearity (Note 4)
Nominal Resistor Tolerance (Note 5)
Resistance Temperature Coefficient
Wiper Resistance
Resolution
Differential Nonlinearity (Note 6)
Integral Nonlinearity (Note 6)
Voltage Divider Temperature Coefficient
Full−Scale Error
Zero−Scale Error
Voltage Range (Note 7)
Capacitance (Note 8) A, B
Capacitance (Note 8) W
Common−Mode Leakage (Note 8)
Input Logic High
Input Logic Low
Input Logic High
Input Logic Low
Input Current
Power Supply Range
Supply Current
Power Dissipation (Note 8)
Power Supply Sensitivity
Bandwidth –3 dB
Total Harmonic Distortion
V
2. V
3. Typical specifications represent average readings at +25°C and V
4. Resistor position nonlinearity error R−INL is the deviation from an ideal value measured between the maximum resistance and the minim-
5. CAT5271: V
6. INL and DNL are measured at VW with the digital potentiometer configured as a potentiometer divider similar to a voltage output D/A con-
7. Resistor terminals A, B, W have no limitations on polarity with respect to each other.
8. Guaranteed by design and not subject to production test.
9. Maximum terminal current is bounded by the maximum current handling of the switches, maximum power dissipation of the package, and
10. All dynamic characteristics use V
DD
W
um resistance wiper positions. R−DNL measures the relative step change from ideal between successive tap positions. Parts are guaran-
teed monotonic.
verter. V
maximum applied voltage across any two of the A, B, and W terminals at a given resistance.
Settling Time (50 kW/100 kW)
= 2.7 V to 5.5 V; V
A
applies to both A1 and A2, V
A
= V
Parameter
AB
DD
= V
and V
DD
A
, Wiper (V
= V
B
= 0 V. DNL specification limits of ±1 LSB maximum are guaranteed monotonic operating conditions.
DD
; V
B
W
B
= 0 V; –40°C < T
) = no connect. CAT5273: V
DD
applies to both B1 and B2.
= 5 V.
V
nV
R
R
R
A
V
V
WB
WB
AB
= 5 V, V
AB
DD
IH
f = 1 MHz, measured to GND,
f = 1 MHz, measured to GND,
, V
, V
= 50 kW / 100 kW, Code = 0x80
= 5 V or V
= V
= +5 V ±10%, Code = Midscale
f = 1 kHz, R
V
V
V
V
A
A
A
A
DD
DD
IH
DD
= no connection (CAT5271)
= no connection (CAT5271)
< +85°C; unless otherwise noted. (Note 2)
Test Conditions
=1 V rms, V
V
V
B
= 5 V or V
Code = 0 x 80
Code = 0 x 80
A
IN
, Wiper = no connection
= 5 V, I
= 3 V, I
Code = 0x80
Code = 0xFF
Code = 0x00
= 0 V, ±1 LSB error band
V
V
V
V
= V
T
http://onsemi.com
= 0 V or 5 V
DD
DD
DD
DD
A
IL
= 25°C
B
= 0 V, V
= 5 V
= 5 V
= 3 V
= 3 V
AB
= V
W
W
WB
= ±3 mA
= ±3 mA
IL
= 10 kW
B
DD
= 0 V
= 0 V,
= V
3
/2
DD
DD
DD
= 5 V.
= 5 V
.
V
nR
nV
Symbol
DD RANGE
R−DNL
THD
V
V
R−INL
V
P
nR
PSS
DNL
C
BW
V
V
I
WFSE
WZSE
A,B,W
V
V
INL
C
I
DISS
R
AB
I
DD
t
W
CM
IL
N
A,B
S
IH
IH
IL
IL
W
W
AB
/nT
/nT
W
0.7 x V
0.7 x V
GND
Min
−20
2.7
−1
−2
−1
−1
−3
0
DD
DD
(Note 3)
100/40
0.05
±0.1
±0.4
±0.1
±0.4
Typ
0.3
100
100
100
50
−1
45
60
2
1
1
0.3V
0.3V
±0.05
Max
V
+20
5.5
0.2
120
250
±1
+1
+2
+1
+1
2
8
0
3
DD
DD
DD
ppm/°C
ppm/°C
%/%
mW
kHz
Unit
LSB
LSB
LSB
LSB
LSB
LSB
Bits
mA
mA
ms
pF
pF
nA
%
V
V
V
V
V
%
W
V