ADA4857-1YRZ-R7 Analog Devices Inc, ADA4857-1YRZ-R7 Datasheet - Page 12

• Manufacturer Part Number: ADA4857-1YRZ-R7
• Description: 4.4nV Ultralow Distortion Hgh Spd Op Amp
• Manufacturer: Analog Devices Inc

Specifications of ADA4857-1YRZ-R7

• Amplifier Type: Voltage Feedback
• Number Of Circuits: 1
• Slew Rate: 2800 V/µs
• -3db Bandwidth: 850MHz
• Current - Input Bias: 2µA
• Voltage - Input Offset: 2000µV
• Current - Supply: 5mA
• Current - Output / Channel: 50mA
• Voltage - Supply, Single/dual (±): 4.5 V ~ 10.5 V, ±2.25 V ~ 5.25 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Output Type: -
• Gain Bandwidth Product: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADA4857-1/ADA4857-2
Figure 26. Small Signal Transient Response for Various Capacitive Loads (LFCSP)
Figure 27. Small Signal Transient Response for Various Supply Voltages (LFCSP)
Figure 28. Closed-Loop Output Impedance vs. Frequency for Various Gains
1000
–0.05
–0.10
–0.15
–0.20
–0.25
–0.05
–0.10
–0.15
–0.20
–0.25
100
0.25
0.20
0.15
0.10
0.05
0.25
0.20
0.15
0.10
0.05
0.1
10
1
0.1
0
0
V
S
= ±5V
1
G = +5
C
L
= 1.5pF
FREQUENCY (MHz)
TIME (10ns/DIV)
TIME (10ns/DIV)
10
V
S
V
G = +2
S
= ±5V
= ±2.5V
100
C
L
= 10pF
1000
V
R
G = +1
R
G = +1
S
L
L
= ±5V
= 1kΩ
= 1kΩ
Rev. A | Page 12 of 20
Figure 30. Large Signal Transient Response for Various Load Resistances (LFCSP)
Figure 29. Large Signal Transient Response for Various Load Resistances (SOIC)
0.01
100
–0.4
–0.8
–1.2
–1.6
–2.0
–0.4
–0.8
–1.2
–1.6
–2.0
0.1
10
2.0
1.6
1.2
0.8
0.4
2.0
1.6
1.2
0.8
0.4
1
0
0
1
Figure 31. Closed-Loop Input Impedance vs. Frequency
R
L
= 1kΩ
10
FREQUENCY (MHz)
TIME (10ns/DIV)
TIME (10ns/DIV)
R
L
= 1kΩ
100
R
R
L
L
= 100Ω
= 100Ω
V
G = +2
V
G = +2
V
G = +1
S
S
S
= ±5V
= ±5V
= ±5V
1000