AD8553
Rev. A | Page 3 of 20
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
VCC = 5.0 V, VCM = 2.5 V, VREF = VCC/2, VIN = VINP VINN, RLOAD = 10 kΩ, TA = 25°C, G = 100, unless specified. See Table 5 for gain setting resistor values. Temperature specifications guaranteed by characterization.
Table 1.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
INPUT CHARACTERISTICS
Input Offset Voltage
VOS
G = 1000
4
20
μV
G = 100
4
20
μV
G = 10
15
50
μV
G = 1
120
375
μV
vs. Temperature
ΔVOS/ΔT
G = 1000, 40°C ≤ TA ≤ +85°C
0.02
0.1
μV/°C
G = 100, 40°C ≤ TA ≤ +85°C
0.02
0.1
μV/°C
G = 10, 40°C ≤ TA ≤ +85°C
0.1
0.3
μV/°C
G = 1, 40°C ≤ TA ≤ +85°C
1
3
μV/°C
Input Bias Current
IB
0.4
1
nA
40°C ≤ TA ≤ +85°C
2
nA
Input Offset Current
IOS
2
nA
VREF Pin Current
IREF
0.01
1
nA
Input Operating Impedance
Differential
50||1
MΩ||pF
Common Mode
10||10
GΩ||pF
Input Voltage Range
0
3.3
V
Common-Mode Rejection
CMR
G = 100, VCM = 0 V to 3.3 V, 40°C ≤ TA ≤ +85°C
120
140
dB
G = 10, VCM = 0 V to 3.3 V, 40°C ≤ TA ≤ +85°C
100
120
dB
Gain Error
G = 100, VCM = 12.125 mV, VO = 0.075 V to 4.925 V
0.10
0.3
%
G = 10, VCM = 121.25 mV , VO = 0.075 V to 4.925 V
0.15
0.4
%
Gain Drift
G = 10, 100, 1000, 40°C ≤ TA ≤ +85°C
5
25
ppm/°C
G = 1, 40°C ≤ TA ≤ +85°C
30
50
ppm/°C
Nonlinearity
G = 100, VCM = 12.125 mV, VO = 0.075 V to 4.925 V
0.001
0.003
% FS
G = 10, VCM = 121.25 mV, VO = 0.075 V to 4.925 V
0.040
0.060
% FS
VREF Range
0.8
4.2
V
OUTPUT CHARACTERISITICS
Output Voltage High
VOH
4.925
V
Output Voltage Low
VOL
0.075
V
Short-Circuit Current
ISC
±35
mA
POWER SUPPLY
Power Supply Rejection
PSR
G = 100, VS = 1.8 V to 5.5 V, VCM = 0 V
100
120
dB
G = 10, VS = 1.8 V to 5.5 V, VCM = 0 V
90
110
dB
Supply Current
ISY
IO = 0 mA, VIN = 0 V
1.1
1.3
mA
40°C ≤ TA ≤ +85°C
1.5
mA
Supply Current Shutdown Mode
ISD
2
4
μA
ENABLE INPUTS
Logic High Voltage
2.40
V
Logic Low Voltage
0.80
V
NOISE PERFORMANCE
Voltage Noise
en p-p
f = 0.01 Hz to 10 Hz
0.7
μV p-p
Voltage Noise Density
en
G = 100, f = 1 kHz
30
nV/√Hz
G = 10, f = 1 kHz
150
nV/√Hz
Internal Clock Frequency
60
kHz
G = 1 to 1000
1
kHz
1 Higher bandwidths result in higher noise.