MSP58C20

AUDIO-BAND CONVERTER

SPSS015B – DECEMBER 1993 – REVISED JULY 1996

5

POST OFFICE BOX 655303

electrical characteristics over recommended ranges of supply voltage and operating free-air

temperature, ADCLK input frequency = 1.024 MHz, PWDA = L and PWAD = L (power-up mode)

(unless otherwise noted)

supply current characteristics

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

PWAD =H,

PWDA = H,

I

Supply current

,,

Digital inputs = VDD or VSS,

50

µA

IDD

Supply current

Digital output = no load

µ

PWAD = L,

PWDA = L

6.5

9

16

mA

analog input characteristics

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Transmit dynamic range, maximum differential

input voltage (between AIP and AIM)

dc or ac voltage

±2.22 ±2.36

±2.5

V

VIO

Transmit differential input offset voltage

See Note 2

– 150

150

mV

VIC

Internal common-mode voltage at AIP and AIM

0.4

×

VDD

0.5

×

VDD

0.6

×

VDD

V

zi

Input impedance

AIP

Between AIP and internal common-mode

voltage source (AIM = VDD/2)

15

25

35

k

Ω

zi

Input impedance

AIM

Between AIM and internal common-mode

voltage source (AIP = VDD/2)

15

25

35

k

Ω

Input capacitance

AIP

Measured at 5 MHz between AIP and VSS

(AIM = VDD /2)

50

pF

Input capacitance

AIM

Measured at 5 MHz between AIM and VSS

(AIP = VDD /2)

50

pF

NOTE 2: Calculated by linear regression based on five dc measurements between –1 V and 1 V

digital output characteristics

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOH

Digital high-level output voltage versus VSS

IOH = 300 µA

2.4

V

VOL

Digital low-level output voltage versus VSS

IOL = 1 mA

0.4

V

analog output characteristics

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOD

Differential output voltage, dynamic range, AOP to AOM

Balanced loads,

dc measurement

±2.82

±3 ±3.18

V

VOO Differential output offset voltage

dc measurement

– 150

150

mV

VOC

Common-mode output voltage at AOP and AOM

0.4

×

VDD

0.5

×

VDD

0.6

×

VDD

V