AD8557ARZ Analog Devices Inc, AD8557ARZ Datasheet - Page 3

• 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: -

SPECIFICATIONS
VDD = 5.0 V, VSS = 0.0 V, V
Table 1.
Parameter
INPUT STAGE
DAC
VCLAMP
OUTPUT STAGE
POWER SUPPLY
DYNAMIC PERFORMANCE
NOISE PERFORMANCE
DIGITAL INTERFACE
Input Offset Voltage
Input Offset Voltage Drift
Input Bias Current
Input Offset Current
Input Voltage Range
Common-Mode Rejection Ratio
Linearity
Differential Gain Accuracy
Differential Gain Accuracy
Differential Gain Temperature Coefficient
Accuracy
Ratiometricity
Output Offset
Temperature Coefficient
Clamp Input Bias Current
Clamp Input Voltage Range
Short-Circuit Current
Output Voltage, Low
Output Voltage, High
Supply Current
Power Supply Rejection Ratio
Gain Bandwidth Product
Settling Time
Input Referred Noise
Low Frequency Noise
Total Harmonic Distortion
Input Current
DIGIN Pulse Width to Load 0
DIGIN Pulse Width to Load 1
Time Between Pulses at DIGIN
DIGIN Low
DIGIN High
DIGOUT Logic 0
DIGOUT Logic 1
CM
= 2.5 V, VOUT = 2.5 V, gain = 28, T
Symbol
T
GBP
e
V
I
I
CMRR
ICLAMP
I
I
V
V
I
PSRR
t
THD
tw
tw
tw
B
OS
SC
SC
SY
s
C
n
OS
OL
OH
V
p-p
0
1
s
OS
Conditions
V
V
VOUT = 0.2 V to 3.4 V
VOUT = 0.2 V to 4.8 V
Second stage gain = 10 to 70
Second stage gain = 100 to 250
Second stage gain = 10 to 250
Offset codes = 8 to 248
Offset codes = 8 to 248
Offset codes = 8 to 248
1.25 V to 5.0 V
Source
Sink
R
R
VPOS = VNEG = 2.5 V,
VDAC code = 128, VOUT = 2.5 V
VDD = 2.7 V to 5.5 V
First gain stage, T
Second gain stage, T
To 0.1%, 4 V output step
f = 1 kHz, T
f = 0.1 Hz to 10 Hz, T
V
T
T
T
T
T
T
T
T
A
A
A
A
A
A
A
A
CM
CM
L
L
IN
Rev. B | Page 3 of 24
= 10 kΩ to 5 V
= 10 kΩ to 0 V
= 25°C
= 25°C
= 25°C
= 25°C
= 25°C
= 25°C
= 25°C
= 25°C
= 16.75 mV rms, f = 1 kHz,
= 0.9 V to 3.6 V, A
= 0.9 V to 3.6 V, A
A
= −40°C to +125°C, unless otherwise specified.
A
= 25°C
A
= 25°C
A
A
V
V
= 25°C
= 25°C
= 28
= 1300
Min
10
0.6
75
96
1.25
40
4.94
105
0.05
50
10
0.8 × VDD
0.8 × VDD
Typ
2
27
18
1
85
112
20
1000
15
0.7
50
5
20
200
−45
55
1.8
125
2
8
8
32
0.5
−100
2
Max
12
65
25
4
3.8
1.6
2.5
40
0.8
35
80
5.0
−25
30
10
0.2 × VDD
0.2 × VDD
AD8557
Unit
μV
nV/°C
nA
nA
V
dB
dB
ppm
ppm
%
%
ppm/°C
%
ppm
mV
ppm FS/°C
nA
V
mA
mA
mV
V
mA
dB
MHz
MHz
μs
nV/√Hz
μV p-p
dB
μA
μs
μs
μs
V
V
V
V