Op-Amp Block; Features; Block Description - Samsung S3FM02G User Manual

S3FM02G_USER'S GUIDE_REV 1.00

2.2.9 OP-AMP Block

2.2.9.1 Features

 Configurable internal gain from  2.5 to  10

Gain can be controlled by an external circuit
Pin Name
OPA_O[4:0]
OPA_P[4:0]
OPA_N[4:0]

2.2.9.2 Block Description

Function
Operational Amplifier Output Pin
Operational Amplifier Positive input pin
Operational Amplifier Negative input pin
Figure 2-10
1. J68: Jumper Setting(Connected to RV2)

1-2 closed: OP0_N(P1.24)

3-4 closed: OP1_N(P1.27)

5-6 closed: OP2_N(P1.30)

7-8 closed: OP3_N(P2.1)

9-10 closed: OP4_N(P2.14)

R51: P2.11/AIN04 connected to RV2
2. J69: Jumper Setting(Connected to RV3)

1-2 closed: OP0_P(P1.25)

3-4 closed: OP1_P(P1.28)

5-6 closed: OP2_P(P1.31)

7-8 closed: OP3_P(P2.2)

9-10 closed: OP4_P(P2.15)

R52: P2.12/AIN05 connected to RV3
3. J70,J71,J72: Spare ports

J70: OP0 ~ 4_N

J71: OP0 ~ 4_O

J72: OP0 ~ 4_P
OP-AMP Block Description
2-15
2 EVB DESCRIPTION
I/O Type Comments
–
O
–
I
–
I