AD8557ARZ Analog Devices Inc, AD8557ARZ Datasheet - Page 10

• Manufacturer Part Number: AD8557ARZ
• Description: IC AMP CHOPPER 2MHZ 55MA 8SOIC
• Manufacturer: Analog Devices Inc
• Series: DigiTrim®r

Specifications of AD8557ARZ

• Amplifier Type: Chopper (Zero-Drift)
• Number Of Circuits: 1
• Gain Bandwidth Product: 2MHz
• Current - Input Bias: 18nA
• Voltage - Input Offset: 2µV
• Current - Supply: 1.8mA
• Current - Output / Channel: 55mA
• Voltage - Supply, Single/dual (±): 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• No. Of Amplifiers: 1
• Input Offset Voltage: 12µV
• Gain Db Min: 28dB
• Bandwidth: 2MHz
• Amplifier Output: Single Ended / Differential
• Cmrr: 112dB
• Supply Voltage Range: 2.7V To 5.5V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Output Type: -
• -3db Bandwidth: -
• Slew Rate: -

AD8557
Figure 24. Low Frequency Input Voltage Noise, 0.1 Hz to 10 Hz, V
Figure 23. Input Voltage Noise Density vs. Frequency (0 Hz to 1000 kHz)
Figure 22. CMRR vs. Temperature at Different Gains, V
140
120
100
80
60
40
20
REF 502µV
START .0 Hz
1
0
–50
CH1
5dB/DIV
RBW 100Hz
10.0mV
–25
CMRR GAIN +28
CHANNEL 1
15.2mV p-p
CMRR GAIN +1300
0
25
TEMPERATURE (°C)
RANGE 12.5mV
VBW 300Hz
50
M 1.00s
75
MARKER 20 000.0Hz
STOP 1 000 000.0Hz
100
CMRR GAIN +448
A CH1
1.89µV/√Hz
ST 900s
125
150
SY
–2.80mV
= 2.7 V
SY
175
= 5 V
Rev. B | Page 10 of 24
Figure 27. Closed-Loop Gain vs. Frequency Measured at Output Pin, V
Figure 26. Closed-Loop Gain vs. Frequency Measured at Output Pin, V
Figure 25. Low Frequency Input Voltage Noise 0.1 Hz to 10 Hz, V
–10
–20
–10
–20
1
70
60
50
40
30
20
10
70
60
50
40
30
20
10
0
0
0.1
0.1
CH1
HIGH GAIN +1300 62.28dB
HIGH GAIN +1300 62.28dB
LOW GAIN +28 28.9dB
LOW GAIN +28 28.9dB
10.0mV
CHANNEL 1
16.6mV p-p
1
1
FREQUENCY (kHz)
FREQUENCY (kHz)
10
10
M 1.00s
100
100
A CH1
1k
1k
V
SY
V
–2.80mV
SY
= 2.7V
= 5V
SY
10k
10k
= 2.7 V
SY
SY
= 2.7 V
= 5 V