LM2903DT Rohm Semiconductor, LM2903DT Datasheet - Page 4

• Manufacturer Part Number: LM2903DT
• Description: IC COMPARATOR DUAL 0.4MA 8-SOIC
• Manufacturer: Rohm Semiconductor
• Series: Signaturer
• Type: General Purposer

Specifications of LM2903DT

• 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)
• 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: LM2903DTTR

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 (Ib)
4.Large signal voltage gain (Av)
Calculation
Parameter
Vio
Ib
AV
Iio
2×
1+
Ri
20×
VF2 -
VF1
(1+
Ri
VF1
VF2
VF3
VF4
VF5
VF6
Rf
VF4 -
VF
(1+
Log
/Rs
Rf
VF1
Rf
VF3
/ Rs)
10×
[V]
OFF
OFF
/
/ Rs)
VF6 - VF5
ON
ON
ON
S1
(1+
[A]
Fig.1 Circuit Diagram (each Comparator)
[A]
Rf
OFF
OFF
/Rs)
ON
ON
ON
S2
[dB]
ON
ON
ON
ON
S3
Vicm
RS 50[ ]
RS 50[ ]
5
Vcc
to
50[k ]
15
15
5
5
5
30
LM393/LM339 family
+
4/8
Vcc
Ri 10[k ]
Ri 10[k ]
0
0
0
0
0
0
-
Fig.2 Measurement Circuit 1 (each Comparator)
S1
S2
-11.4
-1.4
-1.4
-1.4
-1.4
-1.4
EK
Vcc
Vcc
DUT
Vicm
0
0
0
0
0
0
+
-
VRL
5
SIGNATURE SERIES LM2903/2901/393/339 family
RL
S3
Vcc
to
15
15
5
5
5
LM2903/LM2901 family
30
0.1[μF]
50[k ]
These Products are designed and produced by ROHM.
+
Rf
EK
Vcc
1000[pF]
Vcc
0
0
0
0
0
0
500[k ]
-
+
500[k ]
RK
,Vcc
-11.4
-1.4
-1.4
-1.4
-1.4
-1.4
EK
-
,EK,Vicm unit [V]
Vicm
NULL
0
0
0
0
0
0
0.1[μF]
+15[V]
-15[V]
Calculation
1
2
3
4
V
VF