Data Sheet AD8253
Rev. B | Page 3 of 24
SPECIFICATIONS
+V
S
= +15 V, −V
S
= −15 V, V
REF
= 0 V @ T
A
= 25°C, G = 1, R
L
= 2 kΩ, unless otherwise noted.
Table 2.
Parameter Conditions Min Typ Max Unit
COMMON-MODE REJECTION RATIO (CMRR)
CMRR to 60 Hz with 1 kΩ Source Imbalance +IN = −IN = −10 V to +10 V
G = 1 80 100 dB
G = 10 96 120 dB
G = 100 100 120 dB
G = 1000 100 120 dB
CMRR to 20 kHz
1
+IN = −IN = −10 V to +10 V
G = 1 80 dB
G = 10 96 dB
G = 100 100 dB
G = 1000 100 dB
NOISE
Voltage Noise, 1 kHz, RTI
G = 1 45 nV/√Hz
G = 10 12 nV/√Hz
G = 100 11 nV/√Hz
G = 1000 10 nV/√Hz
0.1 Hz to 10 Hz, RTI
G = 1 2.5 μV p-p
G = 10 1 μV p-p
G = 100 0.5 μV p-p
G = 1000 0.5 μV p-p
Current Noise, 1 kHz 5 pA/√Hz
Current Noise, 0.1 Hz to 10 Hz 60 pA p-p
VOLTAGE OFFSET
Offset RTI V
OS
G = 1, 10, 100, 1000 ±150 + 900/G μV
Over Temperature T = −40°C to +85°C ±210 + 900/G μV
Average TC T = −40°C to +85°C ±1.2 + 5/G μV/°C
Offset Referred to the Input vs. Supply (PSR) V
S
= ±5 V to ±15 V ±5 + 25/G μV/V
INPUT CURRENT
Input Bias Current 5 50 nA
Over Temperature
2
T = −40°C to +85°C 40 60 nA
Average TC T = −40°C to +85°C 400 pA/°C
Input Offset Current 5 40 nA
Over Temperature T = −40°C to +85°C 40 nA
Average TC T = −40°C to +85°C 160 pA/°C
DYNAMIC RESPONSE
Small-Signal −3 dB Bandwidth
G = 1 10 MHz
G = 10 4 MHz
G = 100 550 kHz
G = 1000 60 kHz
Settling Time 0.01% ΔOUT = 10 V step
G = 1 700 ns
G = 10 680 ns
G = 100 1.5 μs
G = 1000 14 μs
AD8253 Data Sheet
Rev. B | Page 4 of 24
Parameter Conditions Min Typ Max Unit
Settling Time 0.001% ΔOUT = 10 V step
G = 1 780 ns
G = 10 880 ns
G =100 1.8 μs
G = 1000 1.8 μs
Slew Rate
G = 1 20 V/μs
G = 10 20 V/μs
G = 100 12 V/μs
G = 1000 2 V/μs
Total Harmonic Distortion + Noise
f = 1 kHz, R
L
= 10 kΩ, ±10 V,
G = 1, 10 Hz to 22 kHz band-
pass filter
−110 dB
GAIN
Gain Range G = 1, 10, 100, 1000 1 1000 V/V
Gain Error OUT = ±10 V
G = 1 0.03 %
G = 10, 100, 1000 0.04 %
Gain Nonlinearity OUT = −10 V to +10 V
G = 1 R
L
= 10 kΩ, 2 kΩ, 600 Ω 5 ppm
G = 10 R
L
= 10 kΩ, 2 kΩ, 600 Ω 3 ppm
G = 100 R
L
= 10 kΩ, 2 kΩ, 600 Ω 18 ppm
G = 1000 R
L
= 10 kΩ, 2 kΩ, 600 Ω 110 ppm
Gain vs. Temperature All gains 3 10 ppm/°C
INPUT
Input Impedance
Differential 4||1.25
pF
Common Mode 1||5
pF
Input Operating Voltage Range V
S
= ±5 V to ±15 V −V
S
+ 1 +V
S
− 1.5 V
Over Temperature
3
T = −40°C to +85°C −V
S
+ 1.2 +V
S
− 1.7 V
OUTPUT
Output Swing −13.7 +13.6 V
Over Temperature
4
T = −40°C to +85°C −13.7 +13.6 V
Short-Circuit Current 37 mA
REFERENCE INPUT
R
IN
20
I
IN
+IN, −IN, REF = 0 1 μA
Voltage Range −V
S
+V
S
V
Gain to Output 1 ± 0.0001 V/V
DIGITAL LOGIC
Digital Ground Voltage, DGND Referred to GND −V
S
+ 4.25 0 +V
S
− 2.7 V
Digital Input Voltage Low Referred to GND DGND 2.1 V
Digital Input Voltage High Referred to GND 2.8 +V
S
V
Digital Input Current 1 μA
Gain Switching Time
5
325 ns
t
SU
See Figure 3 timing diagram 15 ns
t
HD
30 ns
t
WR
-LOW
20 ns
t
WR
-HIGH
15 ns
Data Sheet AD8253
Rev. B | Page 5 of 24
Parameter Conditions Min Typ Max Unit
POWER SUPPLY
Operating Range ±5 ±15 V
Quiescent Current, +I
S
4.6 5.3 mA
Quiescent Current, −I
S
4.5 5.3 mA
Over Temperature T = −40°C to +85°C 6 mA
TEMPERATURE RANGE
Specified Performance −40 +85 °C
1
See Figure 20 for CMRR vs. frequency for more information on typical performance over frequency.
2
Input bias current over temperature: minimum at hot and maximum at cold.
3
See Figure 30 for input voltage limit vs. supply voltage and temperature.
4
See Figure 32, Figure 33, and Figure 34 for output voltage swing vs. supply voltage and temperature for various loads.
5
Add time for the output to slew and settle to calculate the total time for a gain change.
TIMING DIAGRAM
A0, A1
WR
t
SU
t
HD
t
WR-HIGH
t
WR-LOW
0
6983-003
Figure 3. Timing Diagram for Latched Gain Mode (See the Timing for Latched Gain Mode Section)

AD8253ARMZ

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Instrumentation Amplifiers Programmable Gain Hi Speed IC
Lifecycle:
New from this manufacturer.
Delivery:
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