PCM1794A-Q1

SLES276A – NOVEMBER 2015 – REVISED DECEMBER 2015

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Electrical Characteristics (continued)

data, unless otherwise noted

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

123

127

Signal-to-noise ratio

127

dB

127

120

123

Channel separation

122

dB

120

Level linearity error

±1

dB

0.0004%

0.0008%

0.0015%

129

Dynamic range

129

dB

129

129

Signal-to-noise ratio

129

dB

129

124

Channel separation

123

dB

121

0.0004%

0.0008%

0.0015%

132

Dynamic range

132

dB

132

132

Signal-to-noise ratio

132

dB

132

ANALOG OUTPUT

Gain error

–6

±2

6

% of FSR

Gain mismatch, channel-to-channel

–3

±0.5

3

% of FSR

Bipolar zero error

At BPZ

–2

±0.5

2

% of FSR

Output current

Full scale (0 dB)

7.8

mA p-p

Center current

At BPZ

–6.2

mA

DIGITAL FILTER PERFORMANCE

De-emphasis error

±0.004

dB

FILTER CHARACTERISTICS-1: SHARP ROLLOFF

±0.00001 dB

Pass band

–3 dB

Stop band

Pass-band ripple

±0.00001

dB

Stop-band attenuation

–130

dB

Delay time

s

FILTER CHARACTERISTICS-2: SLOW ROLLOFF

±0.04 dB

Pass band

–3 dB

(3)

Dynamic performance and dc accuracy are specified at the output of the postamplifier as shown in Figure 26.

6

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