MAX5478EUD+ Maxim Integrated Products, MAX5478EUD+ Datasheet - Page 7

• Manufacturer Part Number: MAX5478EUD+
• Description: IC POT DGTL DUAL 256-TAP 14TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX5478EUD+

• Taps: 256
• Resistance (ohms): 50K
• Number Of Circuits: 2
• Temperature Coefficient: 35 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP
• Resistance In Ohms: 50K
• Number Of Pots: Dual
• Taps Per Pot: 256
• Resistance: 325 Ohms
• Wiper Memory: Non Volatile
• Digital Interface: Serial (2-Wire)
• Operating Supply Voltage: 2.7 V to 5.25 V
• Supply Current: 1 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Description/function: Dual, 256 Tap, Nonvolatile, I2C, 50k Digital Potentiometer
• Mounting Style: SMD/SMT
• Supply Voltage (max): 5.25 V
• Supply Voltage (min): 2.7 V
• Tolerance: 25 %
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
DD
-0.04
-0.08
-0.12
-0.16
-0.20
-100
0.20
0.16
0.12
0.08
0.04
-10
-20
-30
-40
-50
-60
-70
-80
-90
-1
-2
-3
-4
-5
0
2
1
0
= +5V, H_ = V
0
0.1
0.1
0
MAX5479
C
W_
32
MIDSCALE WIPER RESPONSE
DIFFERENTIAL NONLINEARITY
= 10pF
vs. FREQUENCY (MAX5479)
FREQUENCY (MAX5479)
1
vs. CODE (VRM MODE)
64
1
CROSSTALK vs.
FREQUENCY (kHz)
FREQUENCY (kHz)
C
Dual, 256-Tap, Nonvolatile, I
W_
DD
96
10
_______________________________________________________________________________________
= 50pF
, L_ = GND, T
CODE
128 160 192 224 256
10
100
C
100
W_
1000
= 10pF
A
= +25°C, unless otherwise noted.)
10,000
1000
0.001
-100
Typical Operating Characteristics (continued)
0.01
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.1
-1
-2
-3
-4
-5
-6
-7
-8
0
1
0
TOTAL HARMONIC DISTORTION PLUS NOISE
1
0.1
0.01
0.1
MIDSCALE
CW_ = 10pF
MIDSCALE WIPER RESPONSE
vs. FREQUENCY (MAX5477)
vs. FREQUENCY (MAX5477)
1
FREQUENCY (MAX5477)
0.1
1
CROSSTALK vs.
FREQUENCY (kHz)
FREQUENCY (kHz)
FREQUENCY (kHz)
10
10
1
C
Digital Potentiometers
W_
100
= 50pF
100
C
10
1000
W_
= 10pF
10,000
1000
100
0.0001
0.001
-100
0.01
-10
-20
-30
-40
-50
-60
-70
-80
-90
0.1
10
0
-1
-2
-3
-4
-5
-6
-7
-8
2
1
0
TOTAL HARMONIC DISTORTION PLUS NOISE
1
0.01
0.01
0.1
2
C
W_
C-Interface,
MIDSCALE WIPER RESPONSE
= 10pF
vs. FREQUENCY (MAX5478)
vs. FREQUENCY (MAX5478)
0.1
FREQUENCY (MAX5478)
0.1
1
CROSSTALK vs.
FREQUENCY (kHz)
FREQUENCY (kHz)
FREQUENCY (kHz)
1
C
W_
10
= 50pF
1
10
MIDSCALE
100
10
C
100
W_
= 10pF
1000
1000
100
7