Datasheet

19
623345fc
LT6233/LT6233-10
LT6234/LT6235
Typical applicaTions
Single Supply, Low Noise, Low Power, Bandpass Filter with Gain = 10
Frequency Response Plot of
Bandpass Filter
Low Power, Low Noise, Single Supply, Instrumentation Amplifier with Gain = 100
R2
732Ω
R4
10k
C3
0.1µF
EN
f
0
=
1
= 1MHz
C = √C1,C2 R = R1 = R2
f
0
=
(
732Ω
)
MHz, MAXIMUM f
0
= 1MHz
f
–3dB
=
f
0
A
V
= 20dB at f
0
E
N
= 6µV
RMS
INPUT REFERRED
I
S
= 1.5mA FOR V
+
= 5V
623345 F03
0.1µF
C2
47pF
C1
1000pF
R3
10k
R1
732Ω
V
OUT
V
+
V
IN
2πRC
R
2.5
+
–
LT6233
FREQUENCY (Hz)
100k
GAIN (dB)
23
3
–7
1M 10M
623345 F04
+
–
R14
2k
EN
U3
LT6233
V
OUT
= 100 (V
IN2
– V
IN1
)
GAIN =
(
R2
+ 1
) (
R10
)
INPUT RESISTANCE = R5 = R6
f
–3dB
= 310Hz TO 2.5MHz
E
N
= 10µV
RMS
INPUT REFERRED
I
S
= 4.7mA FOR V
S
= 5V, 0V
623345 F05
C8
68pF
C3
1µF
R13
2k
R10
511Ω
R15
88.7Ω
R16
88.7Ω
R4
511Ω
R3
30.9Ω
R1
30.9Ω
R2
511Ω
V
OUT
V
IN1
V
IN2
V
+
R1 R15
C9
68pF
R12
511Ω
+
–
EN
U2
LT6233-10
V
+
C1
1µF
C2
2200pF
+
–
EN
U1
LT6233-10
V
+
R5
511Ω
R6
511Ω
C4
10µF
R1 = R3
R2 = R4
R10 = R12
R15 = R16