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
= -40°C to +125°C, unless otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Gain Error Temperature
Drift (Note 2)
-20mV ≤ V
DIFF
≤ +20mV
(MAX4208),
G = 100V/V
T
A
= -40°C to +125°C 50 180
ppm/°C
-20mV ≤ V
DIFF
≤ +20mV
(MAX4209H),
G = 100V/V
T
A
= -40°C to +125°C 50 180
Gain Nonlinearity
(Note 2)
G
NL
MAX4208,
G = 100V/V
T
A
= +25°C to +85°C 210
ppm
T
A
= -40°C to +125°C 700
MAX4209H,
G = 100V/V
T
A
= +25°C to +85°C 210
T
A
= -40°C to +125°C 700
Input Common-Mode
Range
V
CM
Guaranteed by CMRR test,
T
A
= -40°C to +125°C
V
SS
- 0.1 V
DD
- 1.6 V
Input Common-Mode
Rejection Ratio
CMRR
(V
SS
- 0.1V) ≤ V
CM
≤
(V
DD
- 1.6V)
T
A
= +25°C to +85°C 96
dB
T
A
= -40°C to +125°C 90
Power-Supply Rejection
Ratio
PSRR
V
DD
= 2.85V to 5.5V,
V
REF
= V
CM
= V
SS
+
0.5V
T
A
= +25°C to +85°C 96
dB
T
A
= -40°C to +125°C 90
REFIN/MODE AND REF DC CHARACTERISTICS
REFIN/MODE Buffer Input
Offset Voltage
T
A
= +25°C to +85°C 100
µV
T
A
= -40°C to +125°C 100
REFIN/MODE Buffered
Reference Input Range
V
REFIN/MODE
Reference buffer is ON, guaranteed by REFIN/
MODE CMRR test
V
SS
+ 0.2 V
DD
- 1.6 V
REFIN/MODE Input
Voltage Low
V
IL
Reference buffer is OFF V
SS
+ 0.05 V
MAX4208/MAX4209 Ultra-Low Offset/Drift, Precision
Instrumentation Ampliers with REF Buffer
www.maximintegrated.com
Maxim Integrated │ 5
Electrical Characteristics (continued)