CS5516 datasheet(4/41 Pages) CIRRUS

4 / 41 page

ANALOG CHARACTERISTICS (continued)

Parameter

Min

Typ

Max

Units

Specified Temperature Range

-40 to +85

°C

Analog Input

Analog Input Range

Unipolar

Bipolar

12.5, 25, 50, 100

±12.5, ±25, ±50, ±100

Common Mode Rejection

50, 60 Hz

165

200

Input Capacitance

Input Bias Current

(Note 1)

100

Instrumentation Amplifier

Gain

Bandwidth

200

kHz

Unity Gain Bandwidth

MHz

Output Slew Rate

1.5

µsec

Noise @ 10 Hz BW

100

nVrms

Power Supply Rejection @ 50/60 Hz

(Note 3)

120

Common Mode Range

(Note 4)

±3

-V

Chopping Frequency

XIN/128

Programmable Gain Amplifier

Gain Tracking

(Note 5)

±1

4-Bit Offset Trim DAC

Accuracy

±5

Voltage Reference Input

Range

(Note 6)

2.0

2.5

3.8

Common Mode Rejection:

50, 60 Hz

200

Input Capacitance

Input Bias Current

(Note 1)

Notes:

3. This includes the on-chip digital filtering.

4. The maximum magnitude of the differential input voltage, Vdiff(in) is determined by the following:

Vdiff(in) < 300 mV - |Vcm/12.5 | and should never exceed 300mV.

Vcm is the common mode voltage which is applied to the instrumentation amplifier inputs.

The above equation should be used to calculate the allowable common mode voltage for a given

differential voltage applied to the first gain stage inputs. This limit ensures

that the instrumentation amplifier does not saturate.

5. Gain tracking accuracy can be significantly improved by uploading a calibrated gain word to the

gain register for each PGA gain selection.

6. The common mode voltage on the Voltage Reference Input, plus the reference range,

[(VREF+) - (VREF-)]/2, must not exceed

±3 volts.

CS5516, CS5520

DS74F1

DS74F2

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