End IC. AK5806 Datasheet

AK5806 IC. Datasheet pdf. Equivalent


AKM AK5806
[AK5806]
AK5806
8ch Analog Front End IC
1. General description
The AK5806 is an 8 channels analog baseband IC with third order HPF, whose cutoff frequency is
variable, and programmable gain amplifiers.
It is capable of adjusting the baseband signal gain and the frequency band widely.
2. Features
- Signal Processing: 8-channel Differential I/O
- Signal band width: up to 5MHz
- Programmable Gain Amplifier:
(Coarse) 0dB to 42dB, 6dB/step (Fine) 6dB to +5.625dB, 0.375dB/step
- 3rd-order HPF with Adjustable Cutoff Frequency: 25 kHz to 1MHz
- Offset Cancelling Function
- Operational Temperature: 40 to 125ºC
- Package: 64-pins HTQFP
3. Application
- Millimeter wave radar
- Laser rangefinder
- Ultrasonic sensor
- Signal conditioning before AD conversion
etc.
4. Block diagram
VDD
AIN1P
AIN1N
AINnP
AINnN
PGA1
HPF
&
Buffer
Ch.2 to Ch.8
PGA2
&
Fine gain
Offset
calibration
Output buffer
AOUT1P
AOUT1N
AOUTnP
AOUTnN
VCOM
IREF
Voltage
reference
016011439-E-00
Reset control
Diagnostic
function
VSS
Figure 1
-1-
SPI control
CSN
CCLK
CDTI
CDTO
RSTN
2016/09


AK5806 Datasheet
Recommendation AK5806 Datasheet
Part AK5806
Description 8ch Analog Front End IC
Feature AK5806; [AK5806] AK5806 8ch Analog Front End IC 1. General description The AK5806 is an 8 channels analog .
Manufacture AKM
Datasheet
Download AK5806 Datasheet




AKM AK5806
[AK5806]
5. Table of Contents
1. General description····························································································· 1
2. Features ············································································································ 1
3. Application ········································································································ 1
4. Block diagram ···································································································· 1
5. Table of Contents································································································ 2
6. Pin layout and functions ······················································································ 3
6.1. Pin layout ·················································································································· 3
6.2. Pin functions ············································································································· 4
7. Absolute Maximum Ratings·················································································· 5
8. Recommended Operating Conditions ···································································· 5
9. Electrical characteristics······················································································ 6
9.1. DC Characteristics······································································································ 6
9.2. AC Timing ················································································································· 6
9.2.1. Reset input··········································································································· 6
9.2.2. Power Up Sequence ······························································································ 6
9.2.3. Serial Communication Interface Timing···································································· 7
9.3. Analog Characteristics ································································································ 7
9.3.1. Analog Input Signal ······························································································· 7
9.3.2. Analog Output Signal ···························································································· 7
9.3.3. Input Referred Noise Density ·················································································· 8
9.3.4. Internal High Pass Filter························································································· 8
9.3.5. Coarse Gain Control······························································································ 8
9.3.6. Fine Gain Control·································································································· 8
9.3.7. Reference Voltage ································································································· 8
9.3.8. Detection Function································································································ 8
9.3.9. Current Consumption ···························································································· 9
9.3.10. Channel to channel mismatch ··············································································· 9
9.3.11. Others················································································································ 9
10. Functional Descriptions ····················································································· 9
10.1. Analog input ············································································································ 9
10.2. Internal High Pass Filter ···························································································10
10.3. Coarse Gain Control·································································································10
10.4. Fine Gain Control·····································································································10
10.5. Reference Voltage ····································································································10
10.6. Power Management··································································································10
10.7. Offset Cancellation ·································································································· 11
10.8. Serial Communication Interface (SPI) ·········································································12
10.8.1. Write format·······································································································12
10.8.2. Read Format ······································································································12
11. Register ········································································································· 13
11.1. Register Map ···········································································································13
11.2. Register Definitions··································································································13
Sub Address 0x00 ··········································································································13
Sub Address 0x01 ··········································································································13
Sub Address 0x02 ··········································································································14
Sub Address 0x03 ··········································································································14
Sub Address 0x04 ··········································································································14
Sub Address 0x05 ··········································································································14
Sub Address 0x06 ··········································································································14
016011439-E-00
-2-
2016/09



AKM AK5806
[AK5806]
Sub Address 0x07 ··········································································································14
Sub Address 0x08 ··········································································································15
Sub Address 0x09 Sub Address 0x10 ··············································································15
Sub Address 0x11 ··········································································································15
12. Example of External Connection Diagram··························································· 16
13. Package········································································································· 16
13.1. Outline Dimensions··································································································16
13.2. Foot Pattern ············································································································17
13.3. Marking ··················································································································17
IMPORTANT NOTICE ···························································································· 18
6. Pin layout and functions
6.1. Pin layout
AIN6P
AIN6N
NC
NC
AIN5P
AIN5N
NC
VCOM
IREF
NC
AIN4P
AIN4N
NC
NC
AIN3P
AIN3N
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
49 32
50 31
51 30
52 29
53 28
54 27
55 26
56 25
57 24
58 23
59 22
60 21
61 20
62 19
63 18
64 17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
VSS
VDD
AOUT6P
AOUT6N
AOUT5P
AOUT5N
VDD
VSS
VSS
VDD
AOUT4P
AOUT4N
AOUT3P
AOUT3N
VDD
VSS
016011439-E-00
TOP View
Figure 2
-3-
2016/09







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