BU7262SF-E2 Rohm Semiconductor, BU7262SF-E2 Datasheet - Page 11

• Manufacturer Part Number: BU7262SF-E2
• Description: OP AMP I/O LV 1.8-5.5V 8-SOP
• Manufacturer: Rohm Semiconductor

Specifications of BU7262SF-E2

• Slew Rate: 1.1 V/µs
• Amplifier Type: General Purpose
• Number Of Circuits: 2
• Output Type: Rail-to-Rail
• Gain Bandwidth Product: 2MHz
• Current - Input Bias: 1pA
• Voltage - Input Offset: 1000µV
• Current - Supply: 550µA
• Current - Output / Channel: 12mA
• Voltage - Supply, Single/dual (±): 1.8 V ~ 5.5 V, ±0.9 V ~ 2.75 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOP
• Op Amp Type: CMOS
• No. Of Amplifiers: 2
• Bandwidth: 2MHz
• Supply Voltage Range: ± 0.9V To ± 2.75V
• Amplifier Case Style: SOIC
• No. Of Pins: 8
• Operating Temperature Range: -40°C To
• Number Of Channels: 2
• Common Mode Rejection Ratio (min): 45 dB
• Input Offset Voltage: 9 mV
• Input Bias Current (max): 1 pA
• Operating Supply Voltage: 3 V, 5 V
• Supply Current: 1.1 mA
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Maximum Dual Supply Voltage: +/- 2.75 V
• Minimum Dual Supply Voltage: +/- 0.9 V
• Mounting Style: SMD/SMT
• Shutdown: No
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.8 V
• Technology: CMOS
• Voltage Gain Db: 95 dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• -3db Bandwidth: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: BU7262SF-E2TR

● Schematic diagram
● Test circuit1 NULL method
－ Calculation－
1. Input offset Voltage (Vio)
2. Large signal voltage gain (Av)
3. Common-mode rejection ratio (CMRR)
4. Power supply rejection ratio (PSRR)
Input offset voltage
Large signal voltage gain
Common-mode rejection ratio
(Input common-mode voltage range)
Power supply rejecyion ratio
VDD,VSS,EK,Vicm Unit : [V]
Parameter
Vicm
RS ＝ 50[Ω]
RS ＝ 50[Ω]
50[kΩ]
0.015[µF]
VF1
VF2
VF3
VF4
VF5
VF6
VF7
VF
Ri=1[MΩ]
Ri=1[MΩ]
SW2
SW1
ON
ON
ON
ON
S1
0.015[µF]
ON
ON
ON
ON
S2
Fig.2 Test Circuit 1 (one channel only)
VDD
VSS
DUT
Fig.1 simplified schematic
OFF
OFF
OFF
ON
S3
VRL
SW3
RL
VDD
1.8
5.5
3
3
3
Vo
11/16
Rf=50[kΩ]
VSS
0.1[µF]
EK
0
0
0
0
1000[pF]
500[kΩ]
-1.5
-0.5
-2.5
-1.5
-0.9
500[kΩ]
EK
Vicm
1.5
3
0
3
0
Calculation
NULL
-15[V]
15[V]
1
2
3
4
0.01[µF]
VF