LM2903DR Rohm Semiconductor, LM2903DR Datasheet - Page 4

• Manufacturer Part Number: LM2903DR
• Description: IC COMPARATOR DUAL 0.8MA 8-SOIC
• Manufacturer: Rohm Semiconductor
• Series: Trophyr
• Type: General Purposer

Specifications of LM2903DR

• 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: LM2903DRTR

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