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PDF MAX14595 Data sheet ( Hoja de datos )
| Número de pieza | MAX14595 | |
| Descripción | Low-Power Dual-Channel Logic-Level Translator | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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EVALUATION KIT AVAILABLE
MAX14595
Low-Power Dual-Channel Logic-Level Translator
General Description
The MAX14595 is a dual-channel, bidirectional logic-
level translator designed specifically for low power
consumption making it suitable for portable and battery-
powered equipment. Externally applied voltages, VCC
and VL, set the logic levels on either side of the device. A
logic signal present on the VL side of the device appears
as the same logic signal on the VCC side of the device,
and vice-versa.
The device is optimized for the I2C bus as well as the
management data input/output (MDIO) bus where often
high-speed, open-drain operation is required. When TS
is high, the device allows the pullup to be connected to
the I/O port that has the power. This allows continuous
I2C operation on the powered side without any disruption
while the level translation function is off.
The part is specified over the extended -40NC to +85NC
temperature range, and is available in 8-bump WLP and
8-pin TDFN packages.
Applications
Portable and Battery-Powered Electronics
Devices with I2C Communication
Devices with MDIO Communication
General Logic-Level Translation
Benefits and Features
S Meets Industry Standards
I2C Requirements for Standard, Fast, and High*
Speeds
MDIO Open Drain Above 4MHz*
S Allows Greater Design Flexibility
Down to 0.9V Operation on VL Side
Supports Above 8MHz Push-Pull Operation
S Ultra-Low Power Consumption
7µA VCC Supply Current
3µA VL Supply Current
S Provides High Level of Integration
Pullup Resistor Enabled with One Side Power
Supply when TS Is High
12kI (max) Internal Pullup
Low Transmission Gate RON: 17I (max)
S Saves Space
8-Bump, 0.4mm Pitch, 0.8mm x 1.6mm WLP
Package
8-Pin, 2mm x 2mm TDFN Package
*Requires external pullups.
Ordering Information appears at end of data sheet.
For related parts and recommended products to use with this part,
refer to www.maximintegrated.com/MAX14595.related.
Typical Operating Circuit
VL = +1.2V
+1.2V
SYSTEM
CONTROLLER
EN
SDA
0.1µF
TS VL
VCC
VL
* MAX14595
1µF
VCC
*
IOVL1
VL
*
IOVCC1
VCC
*
VCC = +3.0V
+3V
SYSTEM
SDA
GND SLK
IOVL2
GND IOVCC2
* PULLUPS ARE OPTIONAL FOR HIGH-SPEED, OPEN-DRAIN OPERATION.
SLK GND
For pricing, delivery, and ordering information, please contact Maxim Direct at
1-888-629-4642, or visit Maxim Integrated’s website at www.maximintegrated.com.
19-6170; Rev 0; 12/11
1 page  
MAX14595
Low-Power Dual-Channel Logic-Level Translator
VL VCC
VL VCC
RS TS MAX14595
50I
IOVL_
IOVCC_
GND
CL
20pF
tRCC tFCC
90% 90%
50% 50%
50% 50%
10% 10%
tPD_LCC
tPD_LCC
Figure 1. Push-Pull Driving IOVL_
VL VCC
VL VCC
1kI TS MAX14595
RDSON
5I
IOVL_
IOVCC_
GND
1kI
CL
20pF
VL VCC
VL VCC
TS MAX14595
IOVL_
IOVCC_
RS
50I
CL
20pF
GND
tRL tFL
50%
90% 50%
90%
50% 50%
10% 10%
tPD_CCL
tPD_CCL
Figure 3. Push-Pull Driving IOVCC_
VL VCC
1kI
CL
20pF
VL VCC
TS MAX14595
IOVL_
IOVCC_
GND
1kI
RDSON
5I
tRCC tFCC
90% 90%
50%
50%
10% 10%
tPD_LCC
Figure 2. Open-Drain Driving IOVL_
tPD_LCC
Maxim Integrated
tRL tFL
90%
10%
tPD_CCL
50% 90%
50%
10%
tPD_CCL
Figure 4. Open-Drain Driving IOVCC_
5
5 Page 
MAX14595
Low-Power Dual-Channel Logic-Level Translator
REVISION
NUMBER
0
REVISION
DATE
12/11
Initial release
DESCRIPTION
Revision History
PAGES
CHANGED
—
Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent
licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametric values (min and
max limits) shown in the Electrical Characteristics table are guaranteed. Other parametric values quoted in this data sheet are provided for guidance.
Maxim Integrated 160 Rio Robles, San Jose, CA 95134 USA 1-408-601-1000
11
© 2011 Maxim Integrated Products, Inc.
Maxim Integrated and the Maxim Integrated logo are trademarks of Maxim Integrated Products, Inc.
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet MAX14595.PDF ] | |
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