SB3231 datasheet(3/18 Pages) ONSEMI

Part #	SB3231

Description	Pre-configured DSP System

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Manufacturer	ONSEMI [ON Semiconductor]

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RHYTHM SB3231

www.onsemi.com

3

SPECIFICATIONS

Table 1. ABSOLUTE MAXIMUM RATINGS

Parameter

Value

Units

Operating Temperature Range

0 to 40

°C

Storage Temperature Range

−20 to +70

°C

Absolute Maximum Power Dissipation

25

mW

Maximum Operating Supply Voltage

1.65

VDC

Absolute Maximum Supply Voltage

1.8

VDC

Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality

should not be assumed, damage may occur and reliability may be affected.

WARNING:

Electrostatic Sensitive Device − Do not open packages or handle except at a static−free workstation.

WARNING:

Moisture Sensitive Device − RoHS Compliant; Level 4 MSL. Do not open packages except under controlled conditions.

Table 2. ELECTRICAL CHARACTERISTICS (Supply Voltage VB = 1.25 V; Temperature = 25°C)

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Hybrid Current

IAMP

All functions, 32 kHz sampling rate

−

770

−

mA

All functions, 16 kHz sampling rate

−

600

−

Minimum Operating Supply Voltage

VBOFF

Ramp down, audio path

0.93

0.95

0.97

V

Ramp down, control logic

0.77

0.80

0.83

Supply Voltage Turn On Threshold

VBON

Ramp up

1.06

1.10

1.16

V

EEPROM Burn Cycles

−

100 k

−

cycles

Low Frequency System Limit

−

125

−

Hz

High Frequency System Limit

−

16

−

kHz

Total Harmonic Distortion

THD

VIN = −40 dBV

−

1

%

THD at Maximum Input

THDM

VIN = −15 dBV, HRX − ON

−

3

%

Clock Frequency

fCLK

−

3.973

4.096

4.218

MHz

Audio Path Latency

−

8 kHz bandwidth

−

4.2

−

ms

−

16 kHz bandwidth

−

4.0

−

System Power On Time (Note 1)

−

SB3231

−

1600

−

ms

REGULATOR

Regulator Voltage

VREG

−

0.87

0.90

0.93

V

System PSRR

PSRRSYS

1 kHz, Input referred, HRX enabled

−

70

−

dB

INPUT

Input Referred Noise

IRN

Bandwidth 100 Hz − 8 kHz, HRX on

−

−108

−106

dBV

Input Impedance

ZIN

1 kHz

−

3

−

M

W

Anti−aliasing Filter Rejection

−

f = fCLK/2 − 8 kHz, VIN = −40 dBV

−

80

−

dB

Crosstalk

−

Between both A/D and Mux

−

60

−

dB

Maximum Input Level

−

−15

−13

−

dBV

Analogue Input Voltage Range

VAN_IN

VIN1, VIN2, Al

0

−

800

mV

VAN_TIN

TIN

−100

−

800

Input Dynamic Range

−

HRX − ON Bandwidth

100 Hz − 8 kHz

−

95

96

dB

1. Times do not include additional programmable startup delay.

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