OMAP3530-HiRel datasheet(124/239 Pages) TI

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5.2 Electrical Specifications Over Recommended Operating Conditions

OMAP3525-HiRel and OMAP3530-HiRel Applications Processors

SPRS599 – JUNE 2009

www.ti.com

(TMIN to TMAX, vdda_dac = 1.8 V, ROUT1/2 = 1650 Ω, RLOAD = 75 Ω, unless otherwise noted)

Table 5-2. DAC – Static Electrical Specification

PARAMETER

CONDITIONS/ASSUMPTIONS

MIN

TYP

MAX

UNIT

Resolution

Bits

DC ACCURACY

INL(1)

Integral nonlinearity

–1

LSB

DNL(2)

Differential nonlinearity

–1

LSB

ANALOG OUTPUT

Full-scale output voltage

RLOAD = 75 Ω

0,7

0.88

Output offset voltage

Output offset voltage drift

mV/

°C

Gain error

–17

% FS

RVOUT

Output impedance

67.5

82.5

Ω

REFERENCE

VREF

Reference voltage range

0.525

0.55

0.575

Reference noise density

100-kHz reference noise

129

bandwidth

RSET

Full-scale current adjust resistor

3700

4000

4200

Ω

PSRR

Reference PSRR(3) (Up to 6 MHz)

POWER CONSUMPTION

Ivdda-up

Analog Supply Current(4)

2 channels, no load

Analog supply driving a 75-

Ω load

2 channels

(RMS)

Ivdda-up (peak) Peak analog supply current:

Lasts less than 1 ns

Ivdd-up

Digital supply current(5)

Measured at fCLK = 54 MHz, fOUT

= 2 MHz sine wave, vdd = 1.3 V

Ivdd-up (peak)

Peak digital supply current(6)

Lasts less than 1 ns

2.5

Ivdda-down

Analog power at power-down

T = 30

°C, vdda = 1.8 V

1.5

Ivdd-down

Digital power at power-down

T = 30

°C, vdd = 1.3 V

(1)

The INL is measured at the output of the DAC (accessible at an external pin during bypass mode).

(2)

The DNL is measured at the output of the DAC (accessible at an external pin during bypass mode).

(3)

Assuming a capacitor of 0.1

µF at the tv_ref node.

(4)

The analog supply current Ivdda is directly proportional to the full-scale output current IFS and is insensitive to fCLK

(5)

The digital supply current IVDD is dependent on the digital input waveform, the DAC update rate fCLK, and the digital supply VDD.

(6)

The peak digital supply current occurs at full-scale transition for duration less than 1 ns.

VIDEO DAC SPECIFICATIONS

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