LM2903MX Rohm Semiconductor, LM2903MX Datasheet - Page 4

• Manufacturer Part Number: LM2903MX
• Description: IC COMPARATOR DUAL 0.4MA 8-SOIC
• Manufacturer: Rohm Semiconductor
• Series: Nowr
• Type: General Purposer

Specifications of LM2903MX

• Number Of Elements: 2
• Output Type: CMOS, MOS, Open-Collector, TTL
• Voltage - Supply: 2 V ~ 36 V, ±1 V ~ 18 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Mounting Style: SMD/SMT
• Comparator Type: General Purpose
• No. Of Comparators: 2
• Response Time: 1.3µs
• Ic Output Type: CMOS, MOS, TTL
• Output Compatibility: CMOS, MOS, TTL
• Supply Current: 1mA
• Supply Voltage Range: 5V To 30V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM2903MXRTR

Circuit Diagram
Measurement circuit 1 NULL Method measurement condition
Input Offset Voltage
Input Offset Current
Input Bias Current
Voltage Gain
1.Input offset voltage (VIO)
2.Input offset current (IIO)
3.Input bias current (IIb)
4.Voltage gain (AVD)
Calculation
Parameter
Vio
AV
Iio
Ib
1+
2×
Ri
20×
VF2 -
VF1
(1+
Rf
Ri
VF1
VF2
VF3
VF4
VF5
VF6
VF4 -
VF
Log
(1+
/Rs
Rf
VF1
/ Rs)
Rf
VF3
10×
[V]
OFF
OFF
VF6 - VF5
/
/ Rs)
ON
ON
ON
S1
(1+
[A]
[A]
Rf
Fig.1 Circuit Diagram (each Comparator)
OFF
OFF
/Rs)
ON
ON
ON
S2
[dB]
VICR
ON
ON
ON
ON
S3
RS 50[ ]
RS 50[ ]
5 to 30
50[k ]
V
15
15
5
5
5
+
4/8
LM393/LM339 family
Fig.2 Measurement Circuit1 (each Comparator)
Ri 10[k ]
Ri 10[k ]
GND
0
0
0
0
0
0
S1
S2
-
-
-
-
-
-
11.4
EK
1.4
1.4
1.4
1.4
1.4
GND
DUT
V
+
VICR
0
0
0
0
0
0
VRL
RL
S3
5 to 30
15
15
V
5
5
5
0.1[μF]
50[k ]
+
These Products are designed and produced by ROHM.
Rf
LM2903/LM2901 family
NOW SERIES LM2903/2901/393/339 family
EK
1000[pF]
GND
500[k ]
V
0
0
0
0
0
0
+
,GND,EK,VICR unit [V
500[k ]
RK
-
-
-
-
-
-
11.4
EK
1.4
1.4
1.4
1.4
1.4
NULL
VICR
0.1[μF]
0
0
0
0
0
0
+15[V]
-15[V]
Calculation
1
2
3
4
V
VF