AD8224_16 Datasheet, PDF (9/29 Pages) Analog Devices – Precision, Dual-Channel, JFET Input, Rail-to-Rail Instrumentation Amplifier

AD8224
Data Sheet
V_S + = 5 V, V_S− = 0 V, V_REF = 2.5 V, T_A = 25°C, G = 1, R_L = 2 kΩ¹, unless otherwise noted. Table 6 displays the specifications for the
dynamic performance of each individual instrumentation amplifier.
Table 6. Dynamic Performance of Each Individual Amplifier—Single-Ended Output Configuration, V_S = +5 V
Test Conditions/
A Grade
B Grade
Parameter
Comments
Min Typ Max Min
Typ
Max Unit
DYNAMIC RESPONSE
Small Signal Bandwidth −3 dB
G=1
1500
1500
kHz
G = 10
800
800
kHz
G = 100
120
120
kHz
G =1000
14
14
kHz
Settling Time 0.01%
G=1
G = 10
G = 100
G =1000
Settling Time 0.001%
ΔV_O = 3 V step
2.5
ΔV_O = 4 V step
2.5
ΔV_O = 4 V step
7.5
ΔV_O = 4 V step
60
2.5
µs
2.5
µs
7.5
µs
60
µs
G=1
G = 10
ΔV_O = 3 V step
3.5
ΔV_O = 4 V step
3.5
3.5
µs
3.5
µs
G = 100
ΔV_O = 4 V step
8.5
8.5
µs
G =1000
ΔV_O = 4 V step
75
75
µs
Slew Rate
G = 1 to 100
2
2
V/µs
1 _{When the output sinks more than 4 mA, use a 47 pF capacitor in parallel with the load to prevent ringing. Otherwise, use a larger load, such as 10 kΩ.}
V_S + = 5 V, V_S− = 0 V, V_REF = 2.5 V, T_A = 25°C, G = 1, R_L = 2 kΩ¹ unless otherwise noted. Table 7 displays the specifications for the
dynamic performance of both amplifiers when used in the differential output configuration shown in Figure 64.
Table 7. Dynamic Performance of Both Amplifiers—Differential Output Configuration², VS = +5 V
A Grade
B Grade
Parameter
Test Conditions/Comments
Min Typ Max Min Typ Max
DYNAMIC RESPONSE
Small Signal Bandwidth −3 dB
G=1
1500
1500
G = 10
800
800
G = 100
120
120
G =1000
14
14
Settling Time 0.01%
G=1
G = 10
G = 100
G =1000
Settling Time 0.001%
ΔV_O = 3 V step
ΔV_O = 4 V step
ΔV_O = 4 V step
ΔV_O = 4 V step
2.5
2.5
2.5
2.5
7.5
7.5
60
60
G=1
G = 10
ΔV_O = 3 V step
ΔV_O = 4 V step
3.5
3.5
3.5
3.5
G = 100
ΔV_O = 4 V step
8.5
8.5
G =1000
ΔV_O = 4 V step
75
75
Slew Rate
G = 1 to 100
2
2
1 _{When the output sinks more than 4 mA, use a 47 pF capacitor in parallel with the load to prevent ringing. Otherwise, use a larger load, such as 10 kΩ.}
2 _{Refers to the differential configuration shown in Figure 64.}
Unit
kHz
kHz
kHz
kHz
µs
µs
µs
µs
µs
µs
µs
µs
V/µs
Rev. D | Page 8 of 28