ADN2850BCP250 Analog Devices Inc, ADN2850BCP250 Datasheet - Page 3

• Manufacturer Part Number: ADN2850BCP250
• Description: IC DGTL RHEO DL 1024POS 16LFCSP
• Manufacturer: Analog Devices Inc

Specifications of ADN2850BCP250

• Taps: 1024
• Resistance (ohms): 250K
• Number Of Circuits: 2
• Temperature Coefficient: 35 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: 4-Wire SPI Serial
• Voltage - Supply: 3 V ~ 5.5 V, ±2.25 V ~ 2.75 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-LFCSP
• Resistance In Ohms: 250K
• Number Of Elements: 2
• # Of Taps: 1024
• Resistance (max): 250KOhm
• Power Supply Requirement: Single/Dual
• Interface Type: Serial (4-Wire/SPI)
• Single Supply Voltage (typ): 5V
• Dual Supply Voltage (typ): ±2.5V
• Single Supply Voltage (min): 3V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): ±2.25V
• Dual Supply Voltage (max): ±2.75V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: EVAL-ADN2850-25EBZ - BOARD EVALUATION FOR ADN2850-25
• Lead Free Status / RoHS Status: Not Compliant, Contains lead / RoHS non-compliant

SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—25 kΩ, 250 kΩ VERSIONS
V
specifications apply to versions with a date code 1045 or later.
Table 1.
Parameter
DC CHARACTERISTICS—RHEOSTAT
RESISTOR TERMINALS
DIGITAL INPUTS AND OUTPUTS
POWER SUPPLIES
DD
MODE (All RDACs)
Resolution
Resistor Differential Nonlinearity
Resistor Integral Nonlinearity
Nominal Resistor Tolerance
Resistance Temperature Coefficient
Wiper Resistance
Nominal Resistance Match
Terminal Voltage Range
Capacitance Bx
Capacitance Wx
Common-Mode Leakage Current
Input Logic
Output Logic High (SDO, RDY)
Output Logic Low
Input Current
Input Capacitance
Single-Supply Power Range
Dual-Supply Power Range
Positive Supply Current
Negative Supply Current
EEMEM Store Mode Current
EEMEM Restore Mode Current
Power Dissipation
Power Supply Sensitivity
= 2.7 V to 5.5 V, V
High
Low
3
3
3
6
3
SS
= 0 V; V
3
3
3
2
5
DD
2
3, 4
= 2.5 V, V
3
V
V
Symbol
N
R-DNL
R-INL
∆R
(∆R
R
R
V
C
C
I
V
V
V
I
C
V
I
I
I
I
I
I
P
P
CM
IL
DD
SS
DD
SS
DD
SS
∆T × 10
W
WB1
B
B
W
IH
IL
OH
OL
IL
DD
DD
DISS
SS
, V
WB
(store)
(restore)
(store)
(restore)
SS
WB
/V
/R
W
/R
/R
= −2.5 V, V
SS
WB2
WB
WB
6
)/
A
= V
Rev. C | Page 3 of 28
Conditions
R
R
Code = full scale
Code = full scale
Code = half scale
V
V
Code = full scale
f = 1 MHz, measured to GND,
code = half-scale
f = 1 MHz, measured to GND,
code = half-scale
V
V
V
V
V
V
V
R
I
V
V
V
RDY and/or SDO floating
V
V
RDY and/or SDO floating
V
V
V
V
V
V
V
∆V
OL
WB
WB
DD
DD
W
DD
DD
DD
DD
DD
DD
PULL-UP
IN
SS
IH
DD
IH
IH
SS
DD
IH
SS
DD
IH
DD
= 1.6 mA, V
DD
= V
= 0 V or V
= V
= V
= V
= V
= V
= 0 V
= GND, I
= GND, I
= 5 V
= 3 V
= 5 V
= 2.7 V
= +2.5 V, V
= 5 V
= 2.7 V
= +2.5 V, V
= +2.5 V, V
= +2.5 V, V
= +2.5 V, V
, V
= 5 V ± 10%
DD
DD
DD
DD
DD
DD
= 2.2 kΩ to 5 V (see Figure 25)
B
/2
= V
or V
or V
or V
or V
or V
SS
SS
SS
DD
IL
IL
IL
IL
IL
LOGIC
≈ 0
≈ 0
, −40°C < T
SS
SS
SS
SS
SS
= GND
= GND
= GND,
= GND,
= GND
= −2.5 V
= −2.5 V
= −2.5 V
= −2.5 V
= −2.5 V
= 5 V (see Figure 25)
A
< +85°C, unless otherwise noted. These
Min
−1
−2
−8
V
2.4
2.1
2.0
4.9
2.7
±2.25
−4
−1
SS
Typ
35
30
50
±0.1
11
80
0.01
5
2
0.2
−2
−0.2
2
−2
320
−320
10
0.006
1
Max
10
+1
+2
+8
60
V
±1
0.8
0.6
0.5
0.4
±1
5.5
±2.75
5
1
30
0.01
DD
ADN2850
Unit
LSB
LSB
ppm/°C
V
pF
pF
V
V
pF
μA
mA
mA
μA
μW
%/%
%
Ω
Ω
%
μA
V
V
V
V
V
V
μA
V
V
mA
μA
mA
μA