TDK 73M2901/5V manual Parameter Test Condition MIN NOM MAX Units

Page 8

73M2901/5V Advanced Single Chip Modem

ELECTRICAL SPECIFICATIONS (continued)

RECEIVER (continued)

 

PARAMETER

 

TEST CONDITION

 

 

 

MIN

NOM

MAX

 

UNITS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input Impedance

 

RXA

 

 

 

 

 

150

---

 

---

 

kΩ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Receive Gain

 

SFR 96h bit 2 (Rxgain) = 1

 

 

2.7

3.0

 

3.3

 

dB

 

Boost

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Maximum Input

 

VREF=1.25V

 

 

 

 

 

 

 

 

0.587

 

Vpk

 

Level at RXA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VREF=2.25V

 

 

 

 

 

 

 

 

1.069

 

Vpk

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total Harmonic

 

1kHz 450mV-pk on RXA

 

 

 

 

 

-70

 

-50

 

dB

 

Distortion (THD)

 

nd

rd

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THD = 2

and 3 harmonic.

 

 

 

 

 

 

 

 

 

 

 

DC CHARACTERISTICS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PARAMETER

 

 

SYMBOL

 

CONDITION

MIN

 

NOM

 

 

MAX

 

UNIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input Low Voltage

 

 

VIL

 

 

-0.5

 

 

 

 

 

0.2Vcc

 

V

 

(Except OSCIN,RESET)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input Low Voltage

 

 

VIL

 

 

-0.5

 

 

 

 

 

0.2 Vcc

 

V

 

OSCIN,RESET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input High Voltage

 

 

VIH

 

 

0.5 Vcc

 

 

 

 

Vcc + 0.5

 

V

 

(Except OSCIN,RESET)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input High Voltage

 

 

VIH

 

 

0.7 Vcc

 

 

 

 

Vcc + 0.5

 

V

 

OSCIN,RESET

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Output Low Voltage

 

 

VOL

 

IOL = 4mA

 

 

 

 

 

 

0.45

 

V

 

(Except OSCOUT)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Output Low Voltage

 

 

VOLOSC

 

IOL = 3.0mA

 

 

 

 

 

 

0.7

 

V

 

OSCOUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Output High Voltage

 

 

VOH

 

IOH = -4mA

Vcc – 0.45

 

 

 

 

 

 

 

V

 

(Except OSCOUT)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Output High Voltage

 

 

VOHOSC

 

IOH =-3.0mA

Vcc – 0.9

 

 

 

 

 

 

 

V

 

OSCOUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input Leakage Current

 

IIH

 

Vss < Vin < Vcc

 

 

 

 

 

 

1

 

μA

 

(Except OSCIN)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input Leakage Current

 

IIH

 

Vss < Vin < Vcc

1

 

 

 

 

 

30

 

μA

 

OSCIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

Image 8
Contents Features Block DiagramTDK Semiconductor Corp DescriptionHardware Description PIN Descriptions Oscillator PIN Description PIN Name Digital Interface PIN Description PIN NameElectrical Specifications Absolute Maximum RatingsParameter Rating Recommended Operating Conditions Parameter RatingElectrical Specifications Maximum Transmit LevelsReceiver Parameter Conditions MIN NOM MAX Unit Parameter Test Condition MIN NOM MAX Units DC Characteristics Parameter Condition MIN NOM MAX Unit 5V OperationsFirmware Requirements Firmware Features Firmware DESCRIPTION2Modem Performance Characteristics Design ConsiderationsRecommended Schematics Arrangement Typical USA Application Schematics 22bis 3002A Line, 5.0V, 25C BER VS SNRPIN Plcc PIN-OUT PIN Name PIN Tqfp PIN-OUT PIN NameMechanical Drawings Mechanical Drawings Pin Tqfp Jedec Lqfp Part Description Order Number Packaging Mark Ordering InformationPackage PIN Designations 73M2901/5V

73M2901/5V specifications

The TDK 73M2901/5V is a compact and versatile power management IC designed for a wide array of applications, particularly in portable electronic devices. This chip is part of TDK's extensive lineup of power management solutions, showcasing advanced technologies and features that cater to the evolving needs of modern electronics.

One of the standout characteristics of the TDK 73M2901/5V is its ability to support a broad input voltage range. This flexibility allows the device to operate efficiently with various power supply configurations, making it suitable for battery-operated devices, USB-powered systems, and more. Its robust design ensures that it can maintain stable performance even under fluctuating voltage conditions, a critical attribute for portable applications.

The 73M2901/5V integrates several key power management features, including voltage regulation, power distribution, and battery management functionalities. The integrated voltage regulator provides precise output voltage control, helping to preserve battery life by managing power consumption effectively. This feature is particularly essential for devices that rely on rechargeable batteries, as it enhances overall efficiency and prolongs usage times between charges.

In addition to voltage regulation, the TDK 73M2901/5V boasts advanced power distribution capabilities. The chip can intelligently manage power routing among multiple components within a device, ensuring optimal performance without unnecessary power loss. This is crucial for devices that incorporate various subsystems, needing coordinated power management to function seamlessly.

Furthermore, the 73M2901/5V includes built-in battery management capabilities that facilitate safe charging and discharging processes. This feature not only guards against overcharging and overheating but also extends the lifespan of lithium-ion and lithium-polymer batteries commonly found in consumer devices.

From a technological standpoint, the TDK 73M2901/5V utilizes cutting-edge semiconductor processes that enhance its efficiency and thermal performance. This results in reduced heat generation, allowing for compact designs without the risk of overheating. The chip is also designed for low quiescent current, which minimizes power draw during standby or idle states, further enhancing energy efficiency.

Overall, the TDK 73M2901/5V is a highly capable power management IC that combines robustness, efficiency, and advanced features. Its adaptability to various power configurations, integrated management capabilities, and modern semiconductor technologies make it an ideal choice for developers seeking reliable solutions for their portable electronic designs. As technology continues to advance, solutions like the TDK 73M2901/5V will play an increasingly vital role in powering the next generation of electronic devices.