Datasheet

AD8224 Data Sheet
Rev. C | Page 8 of 28
V
S
+ = 5 V, V
S
− = 0 V, V
REF
= 2.5 V, T
A
= 25°C, G = 1, R
L
= 2 kΩ
1
, 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
A Grade B Grade
Parameter Conditions 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 ΔV
O
= 3 V step 2.5 2.5 µs
G = 10 ΔV
O
= 4 V step 2.5 2.5 µs
G = 100 ΔV
O
= 4 V step 7.5 7.5 µs
G =1000 ΔV
O
= 4 V step 60 60 µs
Settling Time 0.001%
G = 1 ΔV
O
= 3 V step 3.5 3.5 µs
G = 10 ΔV
O
= 4 V step 3.5 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 kΩ
1
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 63.
Table 7. Dynamic Performance of Both Amplifiers—Differential Output Configuration
2
, VS = +5 V
A Grade B Grade
Parameter Conditions 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 ΔV
O
= 3 V step 2.5 2.5 µs
G = 10 ΔV
O
= 4 V step 2.5 2.5 µs
G = 100
ΔV
O
= 4 V step
7.5
7.5
µs
G =1000 ΔV
O
= 4 V step 60 60 µs
Settling Time 0.001%
G = 1 ΔV
O
= 3 V step 3.5 3.5 µs
G = 10 ΔV
O
= 4 V step 3.5 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.
2
Refers to the differential configuration shown in Figure 63.