AD8555 Analog Devices, AD8555 Datasheet - Page 5

• Manufacturer Part Number: AD8555
• Description: Zero-Drift, Single-Supply, Sensor Signal Amplifier with Digitally Programmable Gain and Offset
• Manufacturer: Analog Devices

At V
Table 2.
Parameter
INPUT STAGE
DAC
VCLAMP
OUTPUT BUFFER STAGE
POWER SUPPLY
DYNAMIC PERFORMANCE
NOISE PERFORMANCE
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 Temperature Coefficient
RF
RF Temperature Coefficient
Accuracy
Ratiometricity
Output Offset
Temperature Coefficient
Input Bias Current
Input Voltage Range
Buffer Offset
Short-Circuit Current
Output Voltage, Low
Output Voltage, High
Supply Current
Power Supply Rejection Ratio
Gain Bandwidth Product
Output Buffer Slew Rate
Settling Time
Input Referred Noise
Low Frequency Noise
Total Harmonic Distortion
DD
= 2.7 V, V
SS
= 0.0 V, V
CM
= 1.35 V, V
O
= 1.35 V, −40°C ≤ T
Symbol
V
T
I
I
CMRR
I
V
V
I
PSRR
GBP
SR
t
e
THD
B
OS
SC
SY
s
C
n p-p
OS
OL
OH
V
OS
Rev. 0 | Page 5 of 28
V
Conditions
T
T
V
V
V
V
Second Stage Gain = 17.5 to 100
Second Stage Gain = 140 to 200
Second Stage Gain = 17.5 to 100
Second Stage Gain = 140 to 200
A
A
A
T
R
R
V
A
First Gain Stage, T
Second Gain Stage, T
Output Buffer Stage
A
To 0.1%, A
T
f = 0.1 Hz to 10 Hz
A
A
A
A
A
CM
CM
O
O
L
L
O
IN
V
V
V
V
V
= 10 kΩ to 5 V
= 10 kΩ to 0 V
VDAC Code = 128
= 25°C
= 25°C
= 25°C, VCLAMP = 2.7 V
= 25°C, f = 1 kHz
= 70, Offset Codes = 8 to 248
= 70, Offset Codes = 8 to 248
= 70, Offset Codes = 8 to 248
= 70
= 70, R
≤ +125°C, unless otherwise specified.
= 0.2 V to 3.4 V
= 0.2 V to 4.8 V
= 1.35 V, VPOS = VNEG = 1.35 V,
= 16.75 mV rms, f = 1 kHz, A
= 0.9 V to 1.3 V, A
= 0.9 V to 1.3 V, A
L
V
= 10 kΩ, C
= 70, 4 V Output Step
A
= 25°C
L
A
V
V
= 100 pF
= 70
= 1,280
= 25°C
V
= 100
Min
12
0.5
80
96
14
1.25
4.5
2.64
109
Typ
2
25
16
0.2
92
112
20
1000
0.35
0.5
15
40
18
700
0.7
50
5
3.3
200
500
7
2.0
125
2
8
1.5
1.2
8
32
0.3
−100
Max
10
60
1
1.5
1.6
22
35
2.64
15
9.5
30
AD8555
Unit
µV
nV/°C
nA
nA
nA
V
dB
dB
ppm
ppm
%
%
ppm/°C
ppm/°C
kΩ
ppm/°C
%
ppm
mV
ppm FS/°C
nA
nA
V
mV
mA
mV
V
mA
dB
MHz
MHz
MHz
V/µs
µs
nV/√Hz
µV p-p
dB