AD9834BRUZ-REEL Analog Devices Inc, AD9834BRUZ-REEL Datasheet - Page 24
![IC,Numeric-Controlled Oscillator,1-CHANNEL,CMOS,TSSOP,20PIN,PLASTIC](/photos/6/56/65613/ru-20_sml.jpg)
AD9834BRUZ-REEL
Manufacturer Part Number
AD9834BRUZ-REEL
Description
IC,Numeric-Controlled Oscillator,1-CHANNEL,CMOS,TSSOP,20PIN,PLASTIC
Manufacturer
Analog Devices Inc
Datasheet
1.AD9834BRUZ.pdf
(36 pages)
Specifications of AD9834BRUZ-REEL
Design Resources
Amplitude Control Circuit for AD9834 Waveform Generator (CN0156)
Resolution (bits)
10 b
Master Fclk
50MHz
Tuning Word Width (bits)
28 b
Voltage - Supply
2.3 V ~ 5.5 V
Operating Temperature
-40°C ~ 105°C
Mounting Type
Surface Mount
Package / Case
20-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
EVAL-AD9834EBZ - BOARD EVAL FOR AD9834
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD9834BRUZ-REEL
Manufacturer:
AD
Quantity:
1 045
Part Number:
AD9834BRUZ-REEL
Manufacturer:
ADI/亚德诺
Quantity:
20 000
AD9834
YES
FSEL = SELECTED FREQUENCY REGISTER
(SEE TABLE 11 FOR EXAMPLE)
TO A FREQUENCY REGISTER?
(CONTROL REGISTER WRITE)
WRITE A FULL 28-BIT WORD
PSEL = SELECTED PHASE REGISTER
WRITE TWO CONSECUTIVE
FREQUENCY REGISTER?
WRITE ANOTHER FULL
(CONTROL REGISTER WRITE)
USING CONTROL
16-BIT WORDS
DATA WRITE
B28 (D13) = 1
28-BIT TO A
USING CONTROL
(CONTROL REGISTER WRITE)
RESET BIT = 0
BIT
PIN/SW = 0
BIT
YES
NO
PIN/SW = 0
RESET = 1
PHASE0 AND PHASE1 REG = (PHASESHIFT × 2
WRITE TO FREQUENCY AND PHASE REGISTERS
SELECT FREQUENCY REGISTERS
FREQ0 REG = f
FREQ1 REG = f
SELECT PHASE REGISTERS
NO
(SEE FIGURE 33)
INITIALIZATION
SET RESET = 0
APPLY RESET
TO A FREQUENCY REGISTER?
(CONTROL REGISTER WRITE)
Figure 32. Initialization
WRITE 14 MSBs OR LSBs
WRITE 14 MSBs OR LSBs
FREQUENCY REGISTER?
Figure 33. Data Write
(SEE TABLES 12 AND 13
Rev. C | Page 24 of 36
WRITE A 16-BIT WORD
OUT0
OUT1
FOR EXAMPLES)
HLB (D12) = 0/1
B28 (D13) = 0
/f
/f
FSELECT = SELECTED FREQUENCY REGISTER
MCLK
MCLK
TO A
PSELECT = SELECTED PHASE REGISTER
(CONTROL REGISTER WRITE)
× 2
× 2
NO
YES
28
28
(APPLY SIGNALS AT PINS)
PIN/SW = 1
12
USING PIN
RESET PIN = 0
)/2π
USING PIN
YES
NO
D15, D14 = 11
D11 ... D0 = PHASE DATA
D13 = 0/1 (CHOOSE THE
D12 = X
WRITE TO ANOTHER
PHASE REGISTER?
WRITE TO PHASE
SET RESET PIN = 1
(16-BIT WRITE)
REGISTER?
PHASE REGISTER)
NO
YES
YES