PCM1795DB datasheet(53/58 Pages) TI

部件名	PCM1795DB

功能描述	32-Bit, 192-kHz Sampling, Advanced Segment, Stereo Audio Digital-to-Analog Converter

PDF	58 Pages

Scroll/Zoom	100%

制造商	TI [Texas Instruments]

网页	http://www.ti.com

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53 / 58 page

ANALOG OUTPUT

OUTPUTCURRENTvsINPUTCODE

OUT

InputCode(Hex)

80000000( FS)

000000(BPZ)

7FFFFFFF(+FS)

PCM1795

www.ti.com ........................................................................................................................................................................................................ SLES248 – MAY 2009

Table 17 and Figure 75 show the relationship between the digital input code and analog output.

Table 17. Analog Output Current and Voltage(1)

PARAMETER

800000 (–FS)

000000 (BPZ)

7FFFFF (+FS)

IOUTN (mA)

–1.5

–3.5

–5.5

IOUTP (mA)

–5.5

3.5

–1.5

VOUTN (V)

–1.23

–2.87

–4.51

VOUTP (V)

–4.51

–2.87

–1.23

VOUT (V)

–2.91

2.91

(1)

VOUTN is the output of U1, VOUTP is the output of U2, and VOUT is the output of U3 in the measurement circuit of Figure 52.

Figure 75. Relationship Between Digital Input and Analog Output

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