AD8557ARZ | |
|---|---|
| Manufacturer Part Number | AD8557ARZ |
| Description | IC AMP CHOPPER 2MHZ 55MA 8SOIC |
| Manufacturer | Analog Devices Inc |
| Series | DigiTrim® |
| AD8557ARZ datasheets |
|
Availability: In stock
International delivery:
Warranty: 60 days
×
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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 | - | ||
PrevNext
SPECIFICATIONS
VDD = 5.0 V, VSS = 0.0 V, V
= 2.5 V, VOUT = 2.5 V, gain = 28, T
CM
Table 1.
Parameter
INPUT STAGE
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
DAC
Accuracy
Ratiometricity
Output Offset
Temperature Coefficient
VCLAMP
Clamp Input Bias Current
Clamp Input Voltage Range
OUTPUT STAGE
Short-Circuit Current
Output Voltage, Low
Output Voltage, High
POWER SUPPLY
Supply Current
Power Supply Rejection Ratio
DYNAMIC PERFORMANCE
Gain Bandwidth Product
Settling Time
NOISE PERFORMANCE
Input Referred Noise
Low Frequency Noise
Total Harmonic Distortion
DIGITAL INTERFACE
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
= −40°C to +125°C, unless otherwise specified.
A
Symbol
Conditions
V
OS
T
V
C
OS
I
B
I
OS
CMRR
V
= 0.9 V to 3.6 V, A
= 28
CM
V
V
= 0.9 V to 3.6 V, A
= 1300
CM
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
ICLAMP
1.25 V to 5.0 V
I
Source
SC
I
Sink
SC
V
R
= 10 kΩ to 5 V
OL
L
V
R
= 10 kΩ to 0 V
OH
L
I
VPOS = VNEG = 2.5 V,
SY
VDAC code = 128, VOUT = 2.5 V
PSRR
VDD = 2.7 V to 5.5 V
GBP
First gain stage, T
= 25°C
A
Second gain stage, T
= 25°C
A
t
To 0.1%, 4 V output step
s
f = 1 kHz, T
= 25°C
A
e
p-p
f = 0.1 Hz to 10 Hz, T
= 25°C
n
A
THD
V
= 16.75 mV rms, f = 1 kHz,
IN
T
= 25°C
A
tw
T
= 25°C
0
A
tw
T
= 25°C
1
A
tw
T
= 25°C
s
A
T
= 25°C
A
T
= 25°C
A
T
= 25°C
A
T
= 25°C
A
Rev. B | Page 3 of 24
AD8557
Min
Typ
Max
Unit
2
12
μV
27
65
nV/°C
10
18
25
nA
1
4
nA
0.6
3.8
V
75
85
dB
96
112
dB
20
ppm
1000
ppm
1.6
%
2.5
%
15
40
ppm/°C
0.7
0.8
%
50
ppm
5
35
mV
20
80
ppm FS/°C
200
nA
1.25
5.0
V
−45
−25
mA
40
55
mA
30
mV
4.94
V
1.8
mA
105
125
dB
2
MHz
8
MHz
8
μs
32
nV/√Hz
0.5
μV p-p
−100
dB
2
μA
0.05
10
μs
50
μs
10
μs
0.2 × VDD
V
0.8 × VDD
V
0.2 × VDD
V
0.8 × VDD
V
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