MAX4209 Maxim, MAX4209 Datasheet - Page 8

• Manufacturer Part Number: MAX4209
• Description: The MAX4208/MAX4209 ultra-low offset and drift instrumentation amplifiers feature exceptional precision specifications, low power consumption, rail-to-rail output, excellent gain-bandwidth product, and buffered REFIN/MODE input in a very small &micro
• Manufacturer: Maxim

Ultra-Low Offset/Drift, Precision
Instrumentation Amplifiers with REF Buffer
(V
G = 100V/V (R1 = 1kΩ, R2 = 99kΩ), T
8
DD
10,000
1000
_______________________________________________________________________________________
100
10
= 5V, V
1
10
WHITE NOISE
140nV/√Hz
INPUT NOISE vs. FREQUENCY
SS
100
C
CAPACITOR
= 0V, V
FB
= 10nF
FREQUENCY (Hz)
CM
1k
-100
-120
-140
-20
-40
-60
-80
2.0
1.5
1.0
0.5
= V
0
0
2.5
10
C
CAPACITOR
REF
FB
V
10k
POWER-SUPPLY REJECTION RATIO
REFIN/MODE
SUPPLY CURRENT (BUFFER ON)
= 1nF
3.0
T
= V
A
100
A
= -40°C T
= +25°C, unless otherwise noted.)
vs. SUPPLY VOLTAGE
DD
100k
= V
vs. FREQUENCY
3.5
FREQUENCY (Hz)
/2, V
DD
1k
/2
V
A
DD
= +25°C T
4.0
REFIN/MODE
(V)
Typical Operating Characteristics (continued)
10k
1.5
1.2
0.9
0.6
0.3
0
4.5
0
A
= +125°C
100k
0.5
5.0
= V
INTERNAL BUFFER ON
V
INTERNAL BUFFER OFF
V
1.0 1.5
REFIN/MODE
REFIN/MODE
I
SS
DD
1M
5.5
, R
vs. V
V
2.0 2.5
REFIN/MODE
SHUTDOWN MODE
GREY = OUT OF
COMMON-MODE RANGE
≥ (V
≤ (V
L
REFIN/MODE
= 100kΩ to V
SS
SS
6.0
5.0
4.0
3.0
2.0
1.0
+ 0.2V)
+ 0.05V)
3.0 3.5 4.0 4.5 5.0
0
(V)
2.5
V
REFIN/MODE
MAX4208 INPUT-REFERRED NOISE
T
T
A
A
3.0
= +25°C
= -40°C
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
DD
= V
T
3.5
/2, V
A
= +125°C
DD
V
DIFF
DD
1s/div
4.0
(V)
1000
900
800
700
600
500
400
= (V
4.5
2.5
IN+
V
REFIN/MODE
SUPPLY CURRENT (BUFFER OFF)
MAX4208/9 toc11
5.0
3.0
- V
T
A
vs. SUPPLY VOLTAGE
= -40°C
IN-
5.5
= V
3.5
) = 0V, MAX4208 set for
1.2μV/div
SS
V
DD
T
4.0
T
A
A
(V)
= +125°C
= +25°C
4.5
5.0
5.5