AFE5808 VCA_PDN_CH <7:0> register not found on table

Dylan Yao

Other Parts Discussed in Thread: AFE5808

Hi Team,

[1]. In AFE5808 datasheet Page 66 as below, i can't find VCA_PDN_CH <7:0> register description on register table.

[2] the second question: how much current of AVDD_ADC = 1.8V and DVDD =1.8V when entered into power down.(PDN_GLOBAL = high)

Best Regards
Dylan

over 9 years ago

0 Chuck Smyth over 9 years ago

TI__Expert 6320 points

Hi Dylan,

1. Yes, you make a good point as the datasheet is not clear with these names. I will get back to you with that answer.
2. I will have to measure this as it is not in the datasheet, but the total power under this condition is 0.6mW/ch, so it would be less than that.

Thanks,

Chuck Smyth

0 Dylan Yao over 9 years ago in reply to Chuck Smyth

TI__Genius 9140 points

Chuck,

Thanks. I would wait for your answer.

Best Regards
Dylan

0 Dylan Yao over 9 years ago in reply to Chuck Smyth

TI__Genius 9140 points

Hi Chuck,

Any update?

Dylan

0 Chuck Smyth over 9 years ago in reply to Dylan Yao

TI__Expert 6320 points

Hi Dylan,

1. This is referring to PDN_CH<7:0> which is address 53.
2. I will measure this today.

Chuck

0 Dylan Yao over 9 years ago in reply to Chuck Smyth

TI__Genius 9140 points

Hi Chuck,

Thanks.

I can't find this register from datasheet. Is it a internal hidden register? can you share some materials to me? my email is dylan-yao@ti.com

Best regards

Dylan

0 Chuck Smyth over 9 years ago in reply to Dylan Yao

TI__Expert 6320 points

Hi Dylan,

1. This is a typo in the datasheet. The reference to VCA_PDN_Ch is refering to register 53 called "PDN_CH[7:0]" on page 33.
2. I measured this today and the current consumption of these two supplies after PDN_Global is high, is ~0mA.

Chuck

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AFE5808 VCA_PDN_CH <7:0> register not found on table