Datasheet

(V
DD
= 5V, V
SS
= 0V, V
CM
= V
REF
= V
DD
/2, V
REFIN/MODE
= V
SS
, R
L
= 100kΩ to V
DD
/2, V
DIFF
= (V
IN+
- V
IN-
) = 0V, MAX4208 set for
G = 100V/V (R1 = 1kΩ, R2 = 99kΩ), T
A
= +25°C, unless otherwise noted.) (Note 1)
(V
DD
= 5V, V
SS
= 0V, V
CM
= V
REF
= V
DD
/2, V
REFIN/MODE
= V
SS
, R
L
= 100kΩ to V
DD
/2, V
DIFF
= (V
IN+
- V
IN-
) = 0V, MAX4208 set for
G = 100V/V (R1 = 1kΩ, R2 = 99kΩ), T
A
= -40°C to +125°C, unless otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Settling Time t
S
To within 0.1% of nal value
MAX4208,
G = 1V/V
10
µs
MAX4209H 120
Maximum Capacitive Load C
L
No sustained oscillations 200 pF
Input Voltage Noise e
n
f = 0.1Hz to 10Hz 2.5 µV
P-P
f = 1kHz 140 nV/√Hz
Power-Up Time To within 0.1% of nal value 20 ms
Shutdown Enable/Disable
Time
t
EN
, t
DIS
20 ms
POWER SUPPLY
Supply Voltage V
DD
Guaranteed by PSRR test 2.85 5.50 V
Supply Current I
DD
V
REFIN/MODE
= V
SS
,
buffer OFF
V
DD
= 5V 0.75 1.30
mA
(V
SS
+ 0.2V) ≤ V
REFIN/MODE
≤
(V
DD
- 1.3V), buffer ON
V
DD
= 5V 1.40 2.30
V
REFIN/MODE
= V
DD
, shutdown mode 1.4 5.0 µA
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
INPUT DC CHARACTERISTICS
Input Offset Voltage V
OS
MAX4208, G = 100V/V
T
A
= +25°C to +85°C ±45
µV
T
A
= -40°C to +125°C ±60
MAX4209H, G = 100V/V
T
A
= +25°C to +85°C ±30
T
A
= -40°C to +125°C ±40
Input Offset Voltage
Temperature Drift
(Note 2)
TCV
OS
MAX4208, G = 100V/V
T
A
= +25°C to +85°C 0.1 ±0.45
µV/°C
T
A
= -40°C to +125°C 0.1 ±0.45
MAX4209H, G = 100V/V
T
A
= +25°C to +85°C 0.01 ±0.17
T
A
= -40°C to +125°C 0.01 ±0.17
Input Bias Current
-100mV ≤ V
DIFF
< +100mV
(Note 3)
T
A
= +85°C 10
pA
T
A
= +125°C 20
Gain Error
MAX4208, G = 100V/V,
-20mV ≤ V
DIFF
≤ +20mV
T
A
= +25°C to +85°C 0.30
%
T
A
= -40°C to +125°C 0.35
MAX4209H, G = 100V/V,
-20mV ≤ V
DIFF
≤ +20mV
T
A
= +25°C to +85°C 0.30
T
A
= -40°C to +125°C 0.35
MAX4208/MAX4209 Ultra-Low Offset/Drift, Precision
Instrumentation Ampliers with REF Buffer
www.maximintegrated.com
Maxim Integrated │ 4
Electrical Characteristics (continued)
Electrical Characteristics