AD7887ARZ Analog Devices Inc, AD7887ARZ Datasheet - Page 16
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AD7887ARZ
Manufacturer Part Number
AD7887ARZ
Description
IC ADC 12BIT 2CHAN SRL 8SOIC
Manufacturer
Analog Devices Inc
Datasheet
1.AD7887WARMZ.pdf
(24 pages)
Specifications of AD7887ARZ
Data Interface
DSP, MICROWIRE™, QSPI™, Serial, SPI™
Design Resources
Software Calibrated, 1 MHz to 8 GHz, 70 dB RF Power Measurement System Using AD8318 (CN0150)
Number Of Bits
12
Sampling Rate (per Second)
125k
Number Of Converters
1
Power Dissipation (max)
3.5mW
Voltage Supply Source
Single Supply
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width)
Resolution (bits)
12bit
Sampling Rate
125kSPS
Input Channel Type
Single Ended
Supply Voltage Range - Analog
2.7V To 5.25V
Supply Current
850µA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD7887ARZ
Manufacturer:
ADI
Quantity:
388
Company:
Part Number:
AD7887ARZ
Manufacturer:
Analog Devices Inc
Quantity:
135
Part Number:
AD7887ARZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
AD7887
DOUT
DOUT
SCLK
SCLK
DIN
DIN
CS
CS
DOUT
SCLK
DIN
THE FIRST EIGHT CLOCKS. PM1 = 1 AND PM0 = 0
CS
CONTROL REGISTER DATA IS LOADED ON
CONTROL REGISTER DATA IS LOADED ON THE
FIRST EIGHT CLOCKS. PM1 = 1 AND PM0 = 0
1
1
FOUR LEADING ZEROS + CONVERSION RESULT
FOUR LEADING ZEROS + CONVERSION RESULT
SHUTDOWN AT THE END
1
THE FIRST EIGHT CLOCKS. PM1 = 1 AND PM0 = 1
DATA IN
DATA IN
+ CONVERSION RESULT
OF CONVERSION AS
PM1 = 1 AND PM0 = 0
FOUR LEADING ZEROS
THE PART ENTERS
DATA IN
CONTROL REGISTER DATA IS LOADED ON
CONVERSION AS PM1 = 1 AND PM0 = 0
8
SHUTDOWN AT THE END OF
THE PART ENTERS
Figure 19. Mode 3 Operation (Microcontroller for High Speed SCLKs)
16
Figure 18. Mode 3 Operation (Microcontroller for Slow SCLKs)
STANDBY AT THE END OF
THE PART BEGINS TO POWER
PM1 = 1 AND PM0 = 1
THE PART ENTERS
CONVERSION AS
UP FROM SHUTDOWN
Figure 20. Mode 4 Operation
16
1
16
Rev. D | Page 16 of 24
DATA IN
PM1 = 0 AND PM0 = 1 TO PLACE
+ CONVERSION RESULT
THE PART IN NORMAL MODE
FOUR LEADING ZEROS
SHUTDOWN ON SCLK FALLING EDGE AS
8
THE PART POWERS UP FROM
THE PART REMAINS POWERED UP
PM1 = 1 AND PM0 = 0
AS PM1 = 0 AND PM0 = 1
FALLING EDGE AS PM1 = 1
FROM STANDBY ON SCLK
THE PART POWERS UP
PM1 = 1 AND PM0 = 0 TO KEEP THE
16
t
1
10
1
AND PM0 = 1
= 5µs
PART IN THIS MODE
FOUR LEADING ZEROS + CONVERSION RESULT
2
FOUR LEADING ZEROS + CONVERSION RESULT
DATA IN
DATA IN
PM1 = 1 AND PM0 = 1 TO KEEP
1
DATA IN
+ CONVERSION RESULT
PM1 = 1 AND PM0 = 0 TO PLACE
THE PART IN THIS MODE
FOUR LEADING ZEROS
THE PART BACK IN MODE 3
SHUTDOWN AT THE END OF
CONVERSION AS PM1 = 1
THE PART ENTERS
8
AND PM0 = 0
16
16
16