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MAX479EPD

P1-P3P4-P6P7-P9P10-P12P13-P13
MAX478/MAX479
17µA Max, Dual/Quad, Single-Supply,
Precision Op Amps
_________________________________________________________________________________________________
9
__________________________________________Typical Operating Characteristics
20
-50 75
SUPPLY CURRENT
vs. TEMPERATURE
14
TEMPERATURE (°C)
SUPPLY CURRENT PER AMPLIFIER (µA)
16
-25 25
18
500
V
S
= ±15V
V
S
= 5V, 0V
V
S
= ±1.5V
12
10
100
100
-500
0
MINIMUM SUPPLY VOLTAGE
-400
0
POSITIVE SUPPLY VOLTAGE (V)
OFFSET-VOLTAGE SHIFT (µV)
3
-200
-300
12
-100
+25°C
+85°C
-40°C
NON-FUNCTIONAL
140
-20
0.001 100k
VOLTAGE GAIN
vs. FREQUENCY
20
FREQUENCY (Hz)
VOLTAGE GAIN (dB)
1k
60
0.1 10
100
T
A
= +25°C
V
S
= ±15V
V
S
= 5V, 0V
120
80
40
0
30
10k
GAIN, PHASE
vs. FREQUENCY
20
FREQUENCY (Hz)
VOLTAGE GAIN (dB)
0
-10
100k 1M
10
T
A
= +25°C
PHASE SHIFT (DEGREES)
80
120
200
240
160
PHASE ±15V
PHASE 5V, 0V
GAIN ±15V
GAIN 5V, 0V
120
1 100k
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
0
FREQUENCY (Hz)
CMRR (dB)
40
10 1k
80
T
A
= +25°C
V
S
= 5V, 0V
10k
100
V
S
= ±15V
120
0.1 100k
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
FREQUENCY (Hz)
PSRR (dB)
40
11k
80
10k
100
POSITIVE SUPPLY
NEGATIVE SUPPLY
V
S
= ±2.5V + 1V
p-p
SINE WAVE
T
A
= +25°C
10
120
0
100
40
CAPACITIVE LOAD (pF)
OVERSHOOT (%)
100010
80
10,000
CAPACITIVE LOAD HANDLING
V
S
= 5V, 0V
T
A
= +25°C
A
V
= +1
A
V
= +5
A
V
= +10
100
60
20
1000
0.1
0
OUTPUT SATURATION
vs. TEMPERATURE
10
TEMPERATURE (°C)
SATURATION VOLTAGE (mV)
50-50
100
100
1
I
SINK
= 1mA
I
SINK
= 100µA
I
SINK
= 1µA
NO LOAD
2kΩ TO GROUND
V
S
= 5V, 0V
-25 25 75
10kΩ TO GROUND
10M
10k
100k
VOLTAGE GAIN
vs. LOAD RESISTANCE
100k
LOAD RESISTANCE TO GROUND (Ω)
VOLTAGE GAIN (V/V)
1M10k
1M
10M
V
S
= ±15V, T
A
= +25°C
V
S
= 5V, 0V,
T
A
= +25°C
V
S
= 5V, 0V,
T
A
= +85°C
MAX478/MAX479
17µA Max, Dual/Quad, Single-Supply,
Precision Op Amps
10
_______________________________________________________________________________________________
1000
10
0.1 1 1k
NOISE SPECTRUM
100
FREQUENCY (Hz)
VOLTAGE NOISE DENSITY (nV/√
Hz
)
CURRENT NOISE DENSITY (fA/√
Hz
)
30
300
10 100
CURRENT NOISE
1/f CORNER
0.5Hz
VOLTAGE NOISE
V
S
= ±2.5V
T
A
= +25°C
20
-30
0
SHORT-CIRCUIT CURRENT
10
TIME FROM OUTPUT SHORT TO GROUND (MINUTES)
SHORT-CIRCUIT CURRENT (mA)
-10
-20
1
0
SINKING SOURCING
2
V
S
= 5V, 0V
V
S
= ±15V
V
S
= ±2.5V
V
S
= ±2.5V
V
S
= ±15V
100
-4.0
-50
INPUT BIAS AND OFFSET CURRENT
vs. TEMPERATURE
TEMPERATURE (°C)
INPUT BIAS
CURRENT (nA)
100
-2.5
-25 0
50
75
25
-3.0
-3.5
25
50
75
INPUT OFFSET
CURRENT (pA)
V
S
= 5V, 0V
I
OS
I
B
____________________________Typical Operating Characteristics (continued)
LARGE-SIGNAL TRANSIENT RESPONSE
V
S
= ±15V
TIME (500µs/div)
A
V
= +1, C
L
= 15pF
LARGE-SIGNAL TRANSIENT RESPONSE
V
S
= 5V, 0V
TIME (100µs/div)
A
V
= +1, C
L
= 15pF
SMALL-SIGNAL TRANSIENT RESPONSE
V
S
= ±2.5V
TIME (20µs/div)
A
V
= +1, C
L
= 15pF
SMALL-SIGNAL TRANSIENT RESPONSE
V
S
= ±15V
TIME (20µs/div)
A
V
= +1, C
L
= 15pF
SMALL-SIGNAL TRANSIENT RESPONSE
V
S
= 5V, 0V
TIME (20µs/div)
A
V
= +1, C
L
= 15pF
OUTPUT VOLTAGE (20mV/div)
OUTPUT VOLTAGE (20mV/div)
OUTPUT VOLTAGE (20mV/div)
OUTPUT VOLTAGE (1V/div)
100mV
OUTPUT VOLTAGE (5V/div)
0V
2V
0V
0V
________________________________________________________Package Information
MAX478/MAX479
17µA Max, Dual/Quad, Single-Supply,
Precision Op Amps
______________________________________________________________________________________ 11
IN+
IN-
R1
OUTPUT
LOW-POWER INSTRUMENTATION AMPLIFIER
1/4MAX479
1/4MAX479
GAIN = (1 +
2R1
)
(
R3
)
= 100 FOR VALUES SHOWN
RG R2
1/4MAX479
1M
RG
200k
R1
1M
R2
1M
R3
9.1M
R3
9.1M
R2
1M
________Typical Application Circuit ___________________Chip Topograqhy
OUTA
V+
0.111"
(2.82mm)
V- V+
OUTB
INA-
INA+
INB-
INB+
0.079"
(2.01mm)
SOICN.EPS
P1-P3P4-P6P7-P9P10-P12P13-P13

MAX479EPD

Mfr. #:
Buy MAX479EPD
Manufacturer:
Maxim Integrated
Description:
Precision Amplifiers
Lifecycle:
New from this manufacturer.
Delivery:
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