CS43L36 datasheet(15/89 Pages) CIRRUS

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DS1081F3

CS43L36

3 Characteristics and Specifications

Table 3-8. DC Characteristics

Test conditions (unless specified otherwise): Fig. 2-1 shows CS43L36 connections; GNDA = GNDL = GNDCP = 0 V; voltages are with respect to ground;

VL = VCP = VA = 1.8 V, VP = 3.6 V; TA = +25°C.

Parameters

Minimum Typical Maximum Unit

VCP_FILT (No load

connected to HPOUTx.)

VP_CP Mode (ADPTPWR = 001)

+VCP_FILT

–VCP_FILT

—

2.6

–2.6

—

VCP Mode (ADPTPWR = 010)

+VCP_FILT

–VCP_FILT

—

VCP

–VCP

—

VCP/2 Mode (ADPTPWR = 011)

+VCP_FILT

–VCP_FILT

—

VCP/2

–VCP/2

—

VCP/3 Mode (ADPTPWR = 100)

+VCP_FILT

–VCP_FILT

—

VCP/3

–VCP/3

—

HS3 ground switch resistance (Typical values have ±25% tolerance.)

—0.5

—



Other DC filter

FILT+ voltage

—

HP output current limiter on threshold. See Section 4.3.4. 1

1.The HP output current limiter threshold spec is valid only while the Class H rails are in VCP Mode.

115

160

VD_FILT and VL power-on reset threshold (VPOR)Up

Down

—

0.777

0.628

—

HPOUT pull-down

resistance 2,3

2.Typical values have ±20% tolerance.

3.Clamp is disabled (HPOUT_CLAMP = 1) and channel is powered down (HPOUT_PDN = 1).

HPOUT_PULLDOWN = 0000–0111, 1100

HPOUT_PULLDOWN = 1001

HPOUT_PULLDOWN = 1010

—

0.9

9.3

5.8

—



Table 3-9. Power-Supply Rejection Ratio (PSRR) Characteristics

Test conditions (unless specified otherwise): Fig. 2-1 shows CS43L36 connections; input test signal held low (all zero data); GNDA = GNDL = GNDCP

= 0 V; voltages are with respect to ground; VL = VA = 1.8 V, VP = 3.6 V; TA = +25°C.

Parameters 1

1.PSRR test configuration: Typical PSRR can vary by approximately 6 dB below

the indicated values.

Minimum Typical Maximum Unit

HPOUTx (–6-dB analog gain)

PSRR with 100-mVpp signal AC coupled to VA supply 2

2.No load connected to any analog outputs.

217 Hz

1kHz

20 kHz

—

HPOUTx (–6-dB analog gain)

PSRR with 100-mVpp signal AC-coupled to VCP supply 2

217 Hz

1kHz

20 kHz

—

HPOUTx (0-dB analog gain)

PSRR with 100-mVpp signal AC coupled to VP supply

217 Hz

1kHz

20 kHz

—

Operational Amplifier

OUT

GND

Power DAC

OUT

GND

PWR

DUT

+5 V

+–

–

OUT

Analog Generator

Analog Analyzer

Analog Test Equipment

Analog Output PSRR

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