MAX9109 Maxim, MAX9109 Datasheet

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MAX9109

Manufacturer Part Number
MAX9109
Description
The MAX9107/MAX9108/MAX9109 dual/quad/single, high-speed, low-power voltage comparators are designed for use in systems powered from a single +5V supply
Manufacturer
Maxim
Datasheet

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19-2045; Rev. 2; 1/07
The MAX9107/MAX9108/MAX9109 dual/quad/single,
high-speed, low-power voltage comparators are
designed for use in systems powered from a single
+5V supply. Their 25ns propagation delay (with 10mV
input overdrive) is achieved with a power consumption
of only 1.75mW per comparator. The wide input com-
mon-mode range extends from 200mV below ground
to within 1.5V of the positive supply rail.
The MAX9107/MAX9108/MAX9109 outputs are TTL-
compatible, requiring no external pullup circuitry.
These easy-to-use comparators incorporate internal
hysteresis to ensure clean output switching even when
the devices are driven by a slow-moving input signal.
The MAX9107/MAX9108/MAX9109 are higher-speed,
lower-power, lower-cost upgrades to industry-standard
comparators MAX907/MAX908/MAX909. The MAX9109
features an output latch but does not have comple-
mentary outputs.
The dual MAX9107 is available in both 8-pin SO and
SOT23 packages. The quad MAX9108 is available in
14-pin TSSOP and SO packages while the single
MAX9109 is available in an ultra-small 6-pin SC70
package, a space-saving 6-pin SOT23 package and
an 8-pin SO package.
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.
Battery-Powered Systems
A/D Converters
Line Receivers
TOP VIEW
OUTA
INA+
INA-
GND
1
2
3
4
SOT23/SO
________________________________________________________________ Maxim Integrated Products
MAX9107
General Description
8
7
6
5
25ns, Dual/Quad/Single, Low-Power,
Threshold Detectors/
Discriminators
Sampling Circuits
Zero-Crossing Detectors
V
OUTB
INB-
INB+
CC
OUTA
OUTB
Applications
INA+
INB+
INA-
INB-
V
CC
1
4
5
6
7
2
3
B
TSSOP/SO
A
MAX9108
D
C
14
13
12
11
10
9
8
OUTD
IND-
IND+
GND
INC+
INC-
OUTC
♦ 25ns Propagation Delay
♦ 350µA (1.75mW) Supply Current Per Comparator
♦ Single 4.5V to 5.5V Supply Operation
♦ Wide Input Range Includes Ground
♦ Low 500µV Offset Voltage
♦ Internal Hysteresis Provides Clean Switching
♦ TTL-Compatible Outputs
♦ Internal Latch (MAX9109 only)
♦ Space-Saving Packages:
Note: All devices are specified over the -40°C to +85°C operat-
ing temperature range.
MAX9107EKA-T
MAX9107ESA
MAX9108EUD
MAX9108ESD
MAX9109EXT-T
MAX9109EUT-T
MAX9109ESA
(2mV)
GND
OUT
IN+
6-Pin SC70 (MAX9109)
8-Pin SOT23 (MAX9107)
14-Pin TSSOP (MAX9108)
PART
1
2
3
SC70/SOT23
MAX9109
TTL Comparators
PIN-
PACKAGE
8 SOT23-8
8 SO
14 TSSOP
14 SO
6 SC70-6
6 SOT23-6
8 SO
6
5
4
Ordering Information
V
LE
IN-
CC
Pin Configurations
N.C.
V
IN+
IN-
CC
1
2
3
4
MARK
AARU
MAX9109
AAIB
TOP
AAU
SO
Features
8
7
6
5
CODE
U14-1
S14-1
X6S-1
PKG
U6-1
K8-5
S8-2
S8-2
N.C.
OUT
GND
LE
1

Related parts for MAX9109

MAX9109 Summary of contents

Page 1

... The dual MAX9107 is available in both 8-pin SO and SOT23 packages. The quad MAX9108 is available in 14-pin TSSOP and SO packages while the single MAX9109 is available in an ultra-small 6-pin SC70 package, a space-saving 6-pin SOT23 package and an 8-pin SO package. Battery-Powered Systems Threshold Detectors/ ...

Page 2

... Stresses beyond those listed under “Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ELECTRICAL CHARACTERISTICS (V = +5V (MAX9109 only PARAMETER SYMBOL V ...

Page 3

... Note 7: Propagation Delay Skew is specified as the difference between any single channel’s output low-to-high transition (t and high-to-low transition (t PD Note 8: Latch specifications apply to MAX9109 only. See Figure 2. _______________________________________________________________________________________ = unless otherwise noted. Typical values are ...

Page 4

Dual/Quad/Single, Low-Power, TTL Comparators __________________________________________Typical Operating Characteristics ( 15pF +25°C, unless otherwise noted SUPPLY CURRENT vs. SUPPLY VOLTAGE (OUTPUTS 0 ...

Page 5

Dual/Quad/Single, Low-Power, ____________________________Typical Operating Characteristics (continued 5V 15pF +25°C, unless otherwise noted PROPAGATION DELAY (t INPUT 50mV/div OVERDRIVE 10mV OUTPUT 1V/div 10ns/div SINUSOID 2MHz RESPONSE INPUT ...

Page 6

... Figure 1 illustrates the case where IN- is fixed and IN+ is varied. If the inputs were reversed, the figure would look the same, except the output would be inverted. The MAX9109 includes an internal latch, allowing the result of a comparison to be stored low, the latch is transparent (i.e., the comparator operates as though the latch is not present) ...

Page 7

... The MAX4400 converts the photodiode current to a voltage, and the MAX9109 determines whether the amplifier output is high enough to be called a “1.” The current consumption of this circuit is minimal: the MAX4400 and MAX9109 require typically 410µA and 350µA, respectively. _______________________________________________________________________________________ V ...

Page 8

... Dual/Quad/Single, Low-Power, TTL Comparators Chip Information MAX9107 TRANSISTOR COUNT: 262 MAX9108 TRANSISTOR COUNT: 536 MAX9109 TRANSISTOR COUNT: 140 PROCESS: Bipolar (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) 8 ...

Page 9

... Dual/Quad/Single, Low-Power, (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) _______________________________________________________________________________________ TTL Comparators Package Information (continued) 9 ...

Page 10

... Dual/Quad/Single, Low-Power, TTL Comparators (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) 10 ______________________________________________________________________________________ Package Information (continued) PACKAGE OUTLINE, 6L SC70 21-0077 ...

Page 11

... Dual/Quad/Single, Low-Power, (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) ______________________________________________________________________________________ TTL Comparators Package Information (continued) 11 ...

Page 12

... Dual/Quad/Single, Low-Power, TTL Comparators (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) 12 ______________________________________________________________________________________ Package Information (continued) ...

Page 13

... Revision History Pages revised at Rev 9–13 Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. ...

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