CS5371/CS5372

DS255PP2

3

1. CHARACTERISTICS/SPECIFICATIONS

VD = 3 V ± 5%; DGND = 0 V; MCLK = 2.048 MHz; LPWR = 0; VREF+/- = 2.5V (VREF- = -2.5 V; VREF+ = 0 V);

Devices are connected as shown in Figure 3, the System Connection Diagram, unless otherwise specified.

Notes: 1. Dynamic Range defined as 20log( (RMS full scale) / (RMS idle noise) )

2. Tested with full scale input signal of 31.25 Hz; OWR = 1000 sps; OFST = 0 or OFST = 1.

3. Characterized with input signals of 31.25 Hz and 52.63 Hz, each 6 dB down from full scale, OWR =

1000 sps.

4. Specification is for the parameter over the specified temperature range and is for the CS5371/CS5372

devices only and does not include the effects of external components.

5. Specifications are guaranteed by design and/or characterization.

6. The offset after calibration specification applies to the effective offset voltage for a full scale input to the

CS5371/CS5372 modulator, but is measured from the output digital codes from the CS5376.

7. The CS5371/CS5372 offset calibration is performed digitally and includes full scale range. Calibration

offsets greater than ± 5% of full scale will begin to subtract from the dynamic range.

Parameter

Symbol

CS5371-BS / CS5372-BS

Unit

Min

Typ

Max

Specified Temperature Range

-40

-

+85

°C

Dynamic Performance

Dynamic Range

(Note 1)

OFST = 1

0 Hz to 1644 Hz

0 Hz to 822 Hz

0 Hz to 411 Hz

0 Hz to 206 Hz

0 Hz to 103 Hz

0 Hz to 51.5 Hz

0 Hz to 25.75 Hz

SNR

-

-

121

-

-

-

-

109

121

124

127

130

133

136

-

-

-

-

-

-

-

dB

dB

dB

dB

dB

dB

dB

Total Harmonic Distortion

(Note 2)

THD

-

-118

-112

dB

Intermodulation Distortion

(Note 3)

IMD

-

-115

-

dB

DC Accuracy

Channel to Channel Gain Variation

CGV

-

1

-

%

Full Scale Error

(Note 4)

FSE

-

1

-

%

Full Scale Drift

(Notes 4 and 5)

-

5

-

ppm/°C

Offset

(Notes 4)

-1

-

mV

Offset after Calibration

(Note 6)

-

±1

-

µV

Offset Calibration Range

(Note 7)

-

100

-

%F.S.

Offset Drift

(Notes 4 and 5)

-1

-

µV/°C