Rainbow Electronics MAX5499 - Manual (Page 3)

MAX5494–MAX5499
10-Bit, Dual, Nonvolatile, Linear-Taper
Digital Potentiometers
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ELECTRICAL CHARACTERISTICS (continued)
(V DD = +2.7V to +5.25V, V SS = GND = 0, V H_ = V DD , V L_ = 0, T A = -40°C to +85°C, unless otherwise noted. Typical values are at
V DD = +5.0V, T A = +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DC PERFORMANCE (MAX5496–MAX5499 Variable Resistor)
Resolution N 10 Bits
V DD = 2.7V -1.6
V DD = 3V -4 -1.4 +4 Integral Nonlinearity (Note 3) INL_R
V DD = 5V -4 -1.3 +4
LSB
V DD = 2.7V +0.45
V DD = 3V -1 +0.4 +1 Differential Nonlinearity (Note 3) DNL_R
V DD = 5V -1 +0.35 +1
LSB
Variable-Resistor Temperature
Coefficient
TC VR V DD = 3V to 5.25V; code = 128 to 1024 35 ppm/°C
Wiper Resistance R W V DD
≥ 3V (Note 4) 50 Ω
Wiper Capacitance C WR 60 pF
MAX5496/MAX5498 7.5 10 12.5 Full-Scale Wiper-to-End
Resistance
R W-L
MAX5497/MAX5499 37.5 50 62.5
k Ω
MAX5494/MAX5498 70
Zero-Scale Resistor Error R
Z
Code = 0
MAX5495/MAX5499 110
Ω
MAX5496/MAX5498,
Code >128
0.1
Two-Channel Resistance
Matching
V DD = 3V to 5.25V
MAX5497/MAX5499,
Code >200
0.15
%
DIGITAL INPUTS ( CS, SCLK, DIN) (Note 5)
V DD = 3.6V to 5.25V 2.4
Single-supply
operation
V DD = 2.7V to 3.6V
0.7 x
V DD Input High Voltage V
IH
Dual-supply
operation
With respect to
GND, V
DD = 2.5V,
V SS = -2.5V
2.0
V
Single-supply
operation
V DD = 2.7V to 5.25V 0.8
Input Low Voltage V IL
Dual-supply
operation
With respect to
GND, V
DD = 2.5V,
V SS = -2.5V
0.6
V
Input Leakage Current I IN ±1 µA
Input Capacitance C IN 5 pF
DYNAMIC CHARACTERISTICS
MAX5494/MAX5498 250
Wiper -3dB Bandwidth BW
Wiper at code 495
(01111 01111), 10pF
load at wiper
MAX5495/MAX5499 50
kHz