STA680M

Automotive HD Radio™ baseband receiver - MRC enabled

Data brief



IIS serial audio interface with programmable

sample rate converter



Primary and secondary serial interfaces for

host micro communication based on industry

standard IIC and SPI



Several General purpose IOs



One Internal clock oscillator and two internal

PLLs



External clock input



1.2 V core supply; 3.3 V I/O supply

LFBGA168

TFBGA289

Features



AEC-Q100 qualified



IBOC (in-band on-channel) digital audio

broadcast signal decoding for AM/FM hybrid

and all-digital modes



Dual-channel HD 1.5 for background scanning

and data services or FM Maximum Ratio

Combining (MRC) Diversity algorithm



HD codec (HDC) audio decompression



Metadata support for HD Radio reception



MPS (main program service), SPS

(supplemental program service) and PAD

(program associated data) data decoding



Advanced HD Radio feature support:

– Apple ID3 tag

– Multicasting

– Electronic program guide (EPG)

– Real-time traffic



Automatic Audio Alignment (AAA) algorithm

support



Variable input base-band data-rate I2S-like

interface supporting 650, 675, 744.1875,

912 kS/s data rates



Secondary RF base-band interface for dual

tuner applications



Glueless interface to Synchronous SDRAM

addressing up to 512 Mbit of SDRAM in x16

configuration



Optional Serial Flash memory SPI interface for

application code storage

Description

The STA680M is an HD-radio base-band

processor for car-radio applications. The

STA680M functionality includes audio

decompression and data processing, while

multiple interfaces ensure flexible integration into

the system.

The STA680M takes full advantage of HD 1.5

Radio benefits including CD-like audio quality

from HD Radio FM broadcasts and FM-like audio

quality using HD Radio AM, while program

associated data or traffic information is received

from the second channel or, alternatively, it

features FM Maximum Ratio Combining Diversity

for superior reception performance.

STA680M supports FM/AM analog/digital AAA

algorithm by mean of specific FW.

Table 1. Device summary

Order code

STA680M

STA680MTR

STA680MD

STA680MDTR

Package

(1)

LFBGA 168 balls

(12x12x1.4 mm)

TFBGA 289 balls

(15x15x1.2 mm)

Packing

Tray

Tape & Reel

Tray

Tape & Reel

1. ECOPACK

®

compliant.

February 2019

DB3855 Rev 2

1/9

www.st.com

For further information contact your local STMicroelectronics sales office.

Block diagram and pin description

STA680M

1

1.1

Block diagram and pin description

Block diagram

Figure 1. Functional block diagram

1.2

Ball-out description

The STA680M is available in two different packages. It comes in a 12x12 mm LFBGA with

168 balls with 0.8 mm pitch and in 15x15 mm TFBGA with 289 balls with 0.8 mm pitch.

TFBGA289 package option offers ball-to-ball compatibility with STA660 DAB/DRM digital

decoder.

2/9

DB3855 Rev 2

STA680M

Electrical specifications

2

2.1

Symbol

VDD

Electrical specifications

Absolute maximum ratings

Table 2. Absolute maximum ratings

Parameter

Core supply voltage

Generic IO supply voltage

Flash IO supply voltage

SDRAM IO supply voltage

Osc 1V8 supply voltage

PLL analog supply voltage

PLL digital supply voltage

SAF core supply voltage

Voltage on input pin

Voltage on output pin

-

R = 1.5 kΩ; C = 1.5 pF

Human Body Model,

LFBGA package

Charged device mode,

LFBGA package

Test condition

Min

-

-0.5

Typ

1.47

3.6

1.95

2.75

1.47

-

Max

-

VDDIO+0.5

Units

V

VDD_GEN_IO

VDD_FSH_IO

VDD_RAM_IO

VDD_OSC

VDD_PLL_ANA

VDD_PLL_DIG

VDD_SAF

V

i

V

o

V

ESD

ESD absolute minimum

withstand voltage

>|±1000|

V

>|±500|

2.2

Symbol

R

th j-amb

T

stg

T

amb

T

j, max

Thermal data

Table 3. Thermal data

Parameter

Thermal resistance junction-to-ambient

Storage temperature

Operating ambient temperature

Maximum junction temperature

Test condition

BGA package,

JEDEC 2s2p PCB, free air

-

Value

44

-55 to 150

-40 to 85

125

Unit

°C/W

°C

DB3855 Rev 2

3/9

8

Package information

STA680M

3

Package information

In order to meet environmental requirements, ST offers these devices in different grades of

ECOPACK

®

packages, depending on their level of environmental compliance. ECOPACK

®

specifications, grade definitions and product status are available at:

www.st.com.

ECOPACK

®

is an ST trademark.

3.1

LFBGA168 (12x12x1.4 mm) package information

Figure 2. LFBGA168 (12x12x1.4 mm) package outline

4/9

DB3855 Rev 2

STA680M

Package information

Table 4. LFBGA168 (12x12x1.4 mm) package mechanical data

Dimensions

Ref

Min.

A

A1

A2

A4

b

D

D1

E

E1

e

Z

ddd

eee

fff

-

0.210

-

0.350

11.850

-

11.850

-

Millimeters

Typ.

-

0.200

-

0.400

12.000

10.400

12.000

10.400

0.800

-

Max.

1.400

-

0.800

0.450

12.150

-

12.150

-

0.100

0.150

0.080

Min.

-

0.0083

-

0.0138

0.4665

-

0.4665

-

Inches

(1)

Typ.

-

0.0078

-

0.0157

0.4724

0.4094

0.4724

0.4094

0.0315

-

Max.

0.0551

-

0.0315

0.0177

0.4783

-

0.4783

-

0.0039

0.0059

0.0031

1. Values in inches are converted from mm and rounded to 4 decimal digits.

DB3855 Rev 2

5/9

8

参数名称	属性值
Brand Name	STMicroelectronics
是否Rohs认证	符合
Reach Compliance Code	compliant
Base Number Matches	1

	STA680MTR	STA680M	STA680MD	STA680MDTR
描述	HD-Radio MRC base-band receiver	HD-Radio MRC base-band receiver	HD-Radio MRC base-band receiver	HD-Radio MRC base-band receiver
Brand Name	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
是否Rohs认证	符合	符合	符合	符合
Reach Compliance Code	compliant	compliant	compliant	compliant
Base Number Matches	1	1	1	1

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