LTC1164

4

1164fa

Figure 1. Equivalent Input Offsets of 1/4 LTC1164 Filter Building Block

Table 1. Output DC Offsets One 2nd Order Section

ELECTRICAL CHARACTERISTICS

VOSN

VOSBP

VOSLP

MODE

PIN 2, 11, 14, 23

PINS 3, 10, 15, 22

PINS 4, 9, 16, 21

1VOS1[(1/Q) + 1 + ||HOLP||] – V0S3/Q

VOS3

VOSN – VOS2

1b

VOS1[(1/Q) + 1 + R2/R1] – V0S3/Q

VOS3

~ (VOSN – VOS2) (1 + R5/R6)

2[VOS1(1 + R2/R1 + R2/R3 + R2/R4) – V0S3(R2/R3)] •

VOS3

VOSN – VOS2

[R4/(R2 + R4)] + V0S2[R2/(R2 + R4)]

3V0S2

VOS3

VOS1 1 +

+

+

– VOS2

–VOS3

R4

R1

R4

R3

R4

R2

R4

R2

R4

R3

( )

( )

[]

LTC1164 • BD01

(11, 14, 23)

(12, 13, 24)

(9, 16, 21)

(10, 15, 22)

(8, 20)

–

+

–

+

+

–

+

–

+

–

+

–

VOS2

VOS3

VOS1

1

6

4

3

5

–

+

2

Σ