Datasheet

AD5204/AD5206
Rev. C | Page 3 of 20
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
V
DD
= 5 V ± 10% or 3 V ± 10%, V
SS
= 0 V, V
A
= V
DD
, V
B
= 0 V, −40°C < T
A
< +85°C, unless otherwise noted.
Table 1.
Parameter Symbol Conditions Min Typ
1
Max Unit
DC CHARACTERISTICS RHEOSTAT MODE
2
Resistor Differential NL
3
R-DNL R
WB
, V
A
= no connect −1 ±0.25 +1 LSB
Resistor Nonlinearity Error
3
R-INL R
WB
, V
A
= no connect −2 ±0.5 +2 LSB
Nominal Resistor Tolerance
4
ΔR
AB
T
A
= 25°C −30 +30 %
Resistance Temperature Coefficient ΔR
AB
/ΔT V
AB
= V
DD
, wiper = no connect 700 ppm/°C
Nominal Resistance Match ΔR/R
AB
Channel 1 to Channel 2, Channel 3, and
Channel 4, or to Channel 5 and Channel 6;
V
AB
= V
DD
0.25 1.5 %
Wiper Resistance R
W
I
W
= 1 V/R, V
DD
= 5 V 50 100 Ω
DC CHARACTERISTICS POTENTIOMETER
DIVIDER MODE
2
Resolution N 8 Bits
Differential Nonlinearity
5
DNL −1 ±0.25 +1 LSB
Integral Nonlinearity
5
INL −2 ±0.5 +2 LSB
Voltage Divider Temperature Coefficient ΔV
W
/ΔT Code = 0x40 15 ppm/°C
Full-Scale Error V
WFSE
Code = 0x7F −2 −1 0 LSB
Zero-Scale Error V
WZSE
Code = 0x00 0 1 2 LSB
RESISTOR TERMINALS
Voltage Range
6
V
A
, V
B
, V
W
V
SS
V
DD
V
Capacitance
7
Ax, Bx C
A
, C
B
f = 1 MHz, measured to GND, code = 0x40 45 pF
Capacitance
7
Wx C
W
f = 1 MHz, measured to GND, code = 0x40 60 pF
Shutdown Current
8
I
A_SD
0.01 5 μA
Common-Mode Leakage I
CM
V
A
= V
B
= V
W
= 0, V
DD
= +2.7 V, V
SS
= −2.5 V 1 nA
DIGITAL INPUTS AND OUTPUTS
Input Logic High V
IH
V
DD
= 5 V/3 V 2.4/2.1 V
Input Logic Low V
IL
V
DD
= 5 V/3 V 0.8/0.6 V
Output Logic High V
OH
R
PULL–UP
= 1 kΩ to 5 V 4.9 V
Output Logic Low V
OL
I
OL
= 1.6 mA, V
LOGIC
= 5 V 0.4 V
Input Current I
IL
V
IN
= 0 V or 5 V ±1 μA
Input Capacitance
7
C
IL
5 pF
POWER SUPPLIES
Power Single-Supply Range V
DD
range V
SS
= 0 V 2.7 5.5 V
Power Dual-Supply Range V
DD
/V
SS
range ±2.3 ±2.7 V
Positive Supply Current I
DD
V
IH
= 5 V or V
IL
= 0 V 12 60 μA
Negative Supply Current I
SS
V
SS
= −2.5 V, V
DD
= +2.7 V 12 60 μA
Power Dissipation
9
P
DISS
V
IH
= 5 V or V
IL
= 0 V 0.3 mW
Power Supply Sensitivity PSS ΔV
DD
= 5 V ± 10% 0.0002 0.005 %/%
DYNAMIC CHARACTERISTICS
7, 10
Bandwidth −3 dB BW_10K R
AB
= 10 kΩ 721 kHz
BW_50K R
AB
= 50 kΩ 137 kHz
BW_100K R
AB
= 100 kΩ 69 kHz
Total Harmonic Distortion THD
W
V
A
= 1.414 V rms, V
B
= 0 V dc, f = 1 kHz 0.004 %
VW Settling Time (10 kΩ/50 kΩ/100 kΩ) t
S
V
A
= 5 V, V
B
= 0 V, ±1 LSB error band 2/9/18 μs
Resistor Noise Voltage e
N_WB
R
WB
= 5 kΩ, f = 1 kHz, PR = 0
9 nV/√Hz