Automotive: Body Computer



		Overview
		Suggested Components
		Application Notes

Maxim > Solutions > Automotive: Body Computer

Access Control

Challenges: Requires highest sensitivity to allow for flexibility in mounting the receiver.

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Title/Parts

Key Advantages

QV PDF

30mA Inverting Charge Pump in SOT23 for EMI-Sensitive Automotive Applications
MAX16945

Low-EMI, Automotive-Qualified Charge Pump in SOT23 Package that Operates at 105°C

QV PDF

315MHz/434MHz ASK Superheterodyne Receiver
MAX7034

The MAX7033 is the best performing receiver in the 300-450MHz band.

QV PDF

315MHz/433MHz ASK Superheterodyne Receiver with AGC Lock
MAX7033

The MAX7033 is the best performing receiver in the 300-450MHz band.

Key Specifications: Charge Pumps

Part Number

Topology

V_IN
(V)

I_CC
(mA)

Unadj. V_OUT
(V)

I_OUT
(A)

Oper. Freq.
(kHz)

Features

Package/Pins

Smallest Available Pckg.
(mm²)

Oper. Temp.
(°C)

min

max

typ

max w/pins

MAX16945

Inverter

1.4

5.5

1.7

-2xV_IN

0.03

125

Shutdown

SOT/6

-55 to +125

-40 to +105

See All Charge Pumps (48)

Key Specifications: ISM RF Receivers

Part Number

I_SUPPLY
(mA)

Applications

Solutions

Band/ Freq.
(MHz)

Features

Footprint
(mm x mm)

Package/Pins

Smallest Available Pckg.
(mm²)

RoHS Available

max w/pins

MAX7034

6.7

Garage Door Openers

Peripherals

Remote Controls

Remote Keyless Entry

Security Systems

Wireless Computer

Wireless Sensors

250us Startup Time

Built-In 44dB RF Image Rejection

Excellent Receive Sensitivity Over Temperature

TSSOP/28

Yes

MAX7033

5.2

ISM

300MHz to 450MHz

400MHz

300 to 450

-40C to 105C operation

1ms AGC Release Time

5.2mA Operating Supply Current

44dB RF Image_Rejection

<3.5uA Power_down mode

AGC Lock feature

Better than -114dBm Receive Sensitivity

On-Chip PLL, VCO and Loop Filter

Operates from Single 3.3V or 5.0V Supplies

5.0 x 5.0

6.3 x 9.7

TQFN/32

TSSOP/28

See All ISM RF Receivers (7)