CS42406 datasheet(10/50 Pages) CIRRUS

10 / 50 page

CS42406

DS614PP5

DAC ANALOG CHARACTERISTICS (CS42406-CQZ) (Continued)

9. See Figure 1-2. RL and CL reflect the recommended minimum resistance and maximum capacitance

required for the internal op-amp's stability and signal integrity. In this circuit topology, CL will effectively

move the dominant pole of the two-pole amp in the output stage. Increasing this value beyond the

recommended 100 pF can cause the internal op-amp to become unstable.

Parameters

Symbol

Min

Typ

Max

Units

Dynamic Performance for All Modes

Interchannel Isolation

(1 kHz)

102

DC Accuracy

Interchannel Gain Mismatch

ICGM

0.1

Gain Drift

±100

ppm/°C

Analog Output Characteristics and Specifications

Full Scale Output Voltage

0.60•VA 0.66•VA 0.72•VA

Vpp

Output Impedance

Zout

100

Ω

Minimum AC-Load Resistance

(Note 7)

-3

Ω

Maximum Load Capacitance

(Note 7)

100

AOUTx

AGND

3.3 µF

out

Figure 1. Output Test Load

100

2.5

510

Safe Operating

Region

Resistive Load -- R

Ω )

125

Figure 2. Maximum Loading

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