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PDF MAX9914 Data sheet ( Hoja de datos )
| Número de pieza | MAX9914 | |
| Descripción | (MAX9914 - MAX9917) Rail-to-Rail I/O Op Amps | |
| Fabricantes | Maxim Integrated Products | |
| Logotipo |  |
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19-3407; Rev 1; 10/05
1MHz, 20µA, Rail-to-Rail
I/O Op Amps with Shutdown
General Description
The single MAX9914/MAX9915 and dual MAX9916/
MAX9917 operational amplifiers feature maximized ratio
of gain bandwidth to supply current and are ideal for
battery-powered applications such as portable instru-
mentation, portable medical equipment, and wireless
handsets. These CMOS op amps feature an ultra-low
1pA input bias current, rail-to-rail inputs and outputs,
low 20µA supply current, and operate from a single
1.8V to 5.5V supply. For additional power conservation,
the MAX9915/MAX9917 feature a low-power shutdown
mode that reduces supply current to 1nA, and puts the
amplifier outputs in a high-impedance state. These
devices are unity-gain stable with a 1MHz gain-band-
width product.
The MAX9914 and MAX9915 are available in 5-pin and
6-pin SC70 packages, respectively. The MAX9916 is
available in an 8-pin SOT23 package, and the
MAX9917 in a 10-pin µMAX® package. All devices are
specified over the -40°C to +85°C extended operating
temperature range.
Applications
Portable Medical Devices
Portable Test Equipment
RF Tags
Laptops
Data-Acquisition Equipment
Typical Operating Circuit
3V
VDD
MAX9916
INA+
IN+
OUTA
RG*
IN-
INB+
INA-
OUTB
INB-
VSS
OUT
R1
47kΩ
R2
10kΩ
GAIN
=
(R1
+ R2
(R2
+
+
R3 +
R3)
R4)
FOR R1 = R4 AND R2 = R3
GAIN = 1 + R4
R2
R3
10kΩ
R4
47kΩ
MICROPOWER, TWO-OP-AMP INSTRUMENTATION AMPLIFIER
*OPTIONAL INPUT RESISTOR RG, IS FOR GAIN ADJUSTMENT
µMAX is a registered trademark of Maxim Integrated Products, Inc.
Features
♦ High 1MHz GBW
♦ Ultra-Low 20µA Supply Current
♦ Single 1.8V to 5.5V Supply Voltage Range
♦ Ultra-Low 1pA Input Bias Current
♦ Rail-to-Rail Input and Output Voltage Ranges
♦ Low ±200µV Input Offset Voltage
♦ Low 0.001µA Shutdown Current
♦ High-Impedance Output During Shutdown
(MAX9915/MAX9917)
♦ Unity-Gain Stable
♦ Available in Tiny SC70, SOT23, and µMAX
Packages
Ordering Information
PART
TEMP RANGE
MAX9914EXK+T -40°C to +85°C
MAX9914EXK-T
MAX9915EXT+T
MAX9915EXT-T
MAX9916EKA+T
MAX9916EKA-T
MAX9917EUB
MAX9917EUB+
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
+Denotes lead-free package.
PIN-
PACKAGE
5 SC70-5
5 SC70-5
6 SC70-6
6 SC70-6
8 SOT23-8
8 SOT23-8
10 µMAX
10 µMAX
TOP
MARK
AGB
AGB
ACB
ACB
AEJZ
AEJZ
—
—
Selector Guide
PART
AMPLIFIERS
PER
PACKAGE
SHUTDOWN
MODE
PACKAGE
MAX9914EXK-T
MAX9915EXT-T
MAX9916EKA-T
MAX9917EUB
1
1
2
2
No 5 SC70-5
Yes 6 SC70-6
No 8 SOT23-8
Yes 10 µMAX
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1 page  
1MHz, 20µA, Rail-to-Rail I/O Op Amps
with Shutdown
Typical Operating Characteristics
(VDD = 3V, VSS = VCM = 0V, RL to VDD / 2, TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
50
45 TA = +25°C TA = -40°C TA = +85°C
40 DUAL
35
30 TA = +25°C TA = -40°C TA = +85°C
25
20
SINGLE
15
10
5
0
1.8 2.6 3.3 4.1 4.8 5.5
VSUPPLY (V)
0
-20
-40
-60
-80
-100
-120
-140
-160
-180
-200
-40
INPUT OFFSET VOLTAGE
vs. TEMPERATURE
-15 10 35 60
TEMPERATURE (°C)
85
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.1
1 10 100 1k
FREQUENCY (Hz)
10k
12
10
8
6
4
2
0
-2
-4
-6
-40
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
-15 10 35 60
TEMPERATURE (°C)
85
INPUT BIAS CURRENT
vs. TEMPERATURE
7
6
5
4
3 IB+
IB-
2
1
0
-1
-2
-3
-40
-15 10 35 60
TEMPERATURE (°C)
85
COMMON-MODE REJECTION RATIO
vs. TEMPERATURE
140
120
100
80
60
40
20
0
-40
-15 10 35 60
TEMPERATURE (°C)
85
INPUT OFFSET VOLTAGE
vs. INPUT COMMON-MODE VOLTAGE
1000
750
500
250 TA = +85°C
0
-250
TA = -40°C
-500
TA = +25°C
-750
-1000
0
0.5 1.0 1.5 2.0 2.5 3.0
VCM (V)
INPUT BIAS CURRENT
vs. INPUT COMMON-MODE VOLTAGE
5
4
3
2
1
0
-1
-2
-3
-4
-5
-0.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
VCM (V)
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
1
10 100 1k 10k
FREQUENCY (Hz)
100k
_______________________________________________________________________________________ 5
5 Page 
1MHz, 20µA, Rail-to-Rail I/O Op Amps
with Shutdown
Pin Configurations
TOP VIEW
MAX9914
IN+ 1
5 VDD
VSS 2
IN- 3
4 OUT
SC70
OUTA 1
INA- 2
MAX9916
8 VDD
7 OUTB
INA+ 3
6 INB-
VSS 4
5 INB+
SOT23
MAX9915
IN+ 1
SHDN
6 VDD
VSS 2
5 SHDN
IN- 3
4 OUT
SC70
MAX9917
OUTA 1
10 VDD
INA- 2
9 OUTB
INA+ 3
8 INB-
VSS 4 SHDNA
7 INB+
SHDNA 5
SHDNB 6 SHDNB
µMAX
Chip Information
MAX9914 TRANSISTOR COUNT: 180
MAX9915 TRANSISTOR COUNT: 180
MAX9916 TRANSISTOR COUNT: 292
MAX9917 TRANSISTOR COUNT: 292
PROCESS: BiCMOS
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet MAX9914.PDF ] | |
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