MAX4249ESD Просмотр технического описания (PDF) - Maxim Integrated
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MAX4249ESD Datasheet PDF : 16 Pages
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SOT23, Single-Supply, Low-Noise,
Low-Distortion, Rail-to-Rail Op Amps
Typical Operating Characteristics (continued)
(VDD = +5V, VSS = 0V, VCM = VOUT = VDD/2, input noise floor of test equipment = 10nV/√Hz for all distortion measurements,
TA = +25°C, unless otherwise noted.)
LARGE-SIGNAL VOLTAGE GAIN
vs. OUTPUT VOLTAGE SWING
150
RL = 200kΩ
140
130
RL = 20kΩ
120
110
RL = 2kΩ
100
90
80
70
VDD = 5V
60
RL REFERENCED TO VDD
50
0
50 100 150 200 250
VOUT SWING FROM EITHER SUPPLY (mV)
SUPPLY CURRENT AND SHUTDOWN
SUPPLY CURRENT vs. SUPPLY VOLTAGE
440
PER AMPLIFIER
0.6 MAX4249 TOC 13A
420
0.5
SHDN = VDD
400
0.4
SHDN = VSS
380
0.3
360
0.2
340
0.1
320
0
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3 5.5
SUPPLY VOLTAGE (V)
MAX4250–MAX4254
GAIN AND PHASE vs. FREQUENCY
60
180 MAX4249 TOC15
VDD = 3V, 5V
50
RL = 50kΩ 144
40
CL = 20pF
AV = 1000
108
30
72
GAIN
20
36
10
0
0
-36
-10
-72
-20
PHASE
-108
-30
-144
-40
100
1k
10k 100k 1M
FREQUENCY (Hz)
-180
10M
LARGE-SIGNAL VOLTAGE GAIN
vs. TEMPERATURE
125
120
RL REFERENCED T0 VDD/2
VDD = 5V
115
110
RL = 100kΩ
VOUT = 10mV
to 4.99V
105 RL = 1kΩ
VOUT = 150mV
to 4.75V
RL = 10kΩ
VOUT = 20mV
to 4.975V
100
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
SUPPLY CURRENT
vs. OUTPUT VOLTAGE
2000
1000
VDD = 5V
400
VDD = 3V
100
0.001
0.01
0.1
1
5
OUTPUT VOLTAGE (V)
MAX4249, MAX4255/MAX4256/MAX4257
GAIN AND PHASE vs. FREQUENCY
60
180 MAX4249 TOC16
50
VDD = 3V, 5V
RL = 50kΩ
40 CL = 20pF
30 AV = 1000
144
108
GAIN
72
20
36
10
0
0
-36
-10
PHASE
-72
-20
-108
-30
-144
-40
100
1k
10k 100k 1M
FREQUENCY (Hz)
-180
10M
SUPPLY CURRENT AND SHUTDOWN
SUPPLY CURRENT vs. TEMPERATURE
460
MAX4249 TOC12 0.376
PER AMPLIFIER
440
420
0.375
400
SHDN = VDD
380
0.374
SHDN = VSS
360
340
-40 -20
0 20 40 60
TEMPERATURE (°C)
INPUT OFFSET VOLTAGE
vs. SUPPLY VOLTAGE
180
VCM = 0V
160
VOUT = VDD/2
RL REFERENCED TO GND
140
0.373
80
120
RL = 10kΩ
100
RL = 1kΩ
80
60
RL = 100kΩ
40
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
SUPPLY VOLTAGE (V)
MAX4250–MAX4254
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
VDD = 3V, 5V
-10
MAX4249 TOC17
-20
-30
-40
-50
-60
PSRR+
-70
-80
PSRR-
-90
-100
-110
1 10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
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