CS5374 查看數據表（PDF） - Cirrus Logic

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CS5374

Dual High-performance Amplifier & ΔΣ Modulator

Cirrus Logic 

CS5374

DS862F1

CS5374

Figure 24. Power Configuration Register PWRCFG

(MSB)7

adc_lpwr

R/W

0

6

5

4

3

---

amp_i1_1 amp_i1_0

rough

R/W

R/W

R/W

R/W

0

0

0

0

2

i1_tail

R/W

0

1

amp_i5_1

R/W

0

(LSB)0

amp_i5_0

R/W

0

Reset Condition : 0000_0000 (0x00) : Default value

Normal Operation : 1000_1111 (0x8F) : Reduced power

Power Down Operation : 0000_0000 (0x00) : Default value

Address: 0x04

---

Not defined

(read as 0)

R

Readable

W

Writable

R/W Readable

and Writable

Bits in bottom rows

are reset condition.

Bit definitions:

7 adc_lpwr Modulator Bias

1: reduced current

0: nominal current

6 ---

reserved

5:4 amp_i1

Amplifier i1 Bias

11: 2/3

10: 1/3

01: 4/3

00: nominal current

3 rough

Modulator Rough Phase

1: reduced current

0: nominal current

2

i1_tail

Amplifier i1 Tail Current

1: reduced current

0: nominal current

1:0 amp_i5

Amplifier i5 Bias

11: 7/11

10: 9/13

01: 15/13

00: nominal current

DS862F1

39

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