CS5550

DS630F1

5

2. CHARACTERISTICS/SPECIFICATIONS

•

Min / Max characteristics and specifications are guaranteed over all Operating Conditions.

•

•

DGND = 0 V. All voltages with respect to 0 V.

ANALOG CHARACTERISTICS

Notes: 1. Applies after system calibration

2. Effective Input Impedance (EII) is determined by clock frequency (DCLK) and Input Capacitance (IC).

EII = 1/(IC*DCLK/4). Note that DCLK = MCLK / K.

Parameter

Symbol

Min

Typ

Max

Unit

Accuracy (Both Channels)

Common Mode Rejection

(DC, 50, 60 Hz)

CMRR

80

-

-

dB

Offset Drift

-

5

-

nV/°C

Analog Inputs (AIN1

Differential Input Voltage Range

(Gain = 10)

{(AIN1+) - (AIN1-)}

(Gain = 50)

0

0

-

-

500

100

Total Harmonic Distortion

80

-

-

dB

Common Mode + Signal

Both Gain Ranges

-0.25

-

VA+

V

Crosstalk with AIN2± at Full Scale

(50, 60 Hz)

-

-

-115

dB

Input Capacitance

(Gain = 10)

(Gain = 50)

-

-

25

25

-

-

pF

pF

Effective Input Impedance

(Gain = 10)

(Note 2)

(Gain = 50)

30

30

-

-

-

-

k

Ω

k

Ω

Noise (Referred to Input)

(Gain = 10)

(Gain = 50)

-

-

-

-

22.5

4.5

Accuracy

Bipolar Offset Error

(Note 1)

VOS

-

-

±0.001

%F.S.

Full-Scale Error

(Note 1)

FSE

-

-

±0.001

%F.S.

Analog Inputs (AIN2

Differential Input Voltage Range

{(AIN2+) - (AIN2-)}

0-

500

Total Harmonic Distortion

65

-

-

dB

Common Mode + Signal

-0.25

-

VA+

V

Crosstalk with AIN1± at Full Scale

(50, 60 Hz)

-

-

-70

dB

Input Capacitance

(Gain = 10)

-0.2

-

pF

Effective Input Impedance (Note 2)

(Gain = 10)

5-

-

M

Ω

Noise (Referred to Input)

(Gain = 10)

--

150

Accuracy

Bipolar Offset Error

(Note 1)

VOS

-

-

±0.01

%F.S.

Full-Scale Error

(Note 1)

FSE

-

-

±0.01

%F.S.