AD1955ARSZ Analog Devices Inc, AD1955ARSZ Datasheet - Page 15

• Manufacturer Part Number: AD1955ARSZ
• Description: IC DAC AUDIO MULTIBIT 28-SSOP
• Manufacturer: Analog Devices Inc

Specifications of AD1955ARSZ

• Data Interface: Serial
• Number Of Bits: 16, 24
• Number Of Converters: 2
• Voltage Supply Source: Analog and Digital
• Power Dissipation (max): 210mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Resolution (bits): 24bit
• Sampling Rate: 192kSPS
• Input Channel Type: Serial
• Supply Voltage Range - Analog: 4.5V To 5.5V
• Supply Voltage Range - Digital: 4.5V To 5.5V
• Number Of Channels: 2
• Resolution: 24b
• Conversion Rate: 192KSPS
• Interface Type: Serial (3-Wire/SPI)
• Single Supply Voltage (typ): 5V
• Dual Supply Voltage (typ): Not RequiredV
• Architecture: Delta-Sigma
• Power Supply Requirement: Analog and Digital
• Output Type: Current
• Single Supply Voltage (min): 4.5V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 28
• Package Type: SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-AD1955EBZ - BOARD EVAL FOR AD1955
• Settling Time: -
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

REV. 0
SDATA
SDATA
SDATA
SDATA
LRCLK
LRCLK
LRCLK
LRCLK
BCLK
BCLK
BCLK
BCLK
RIGHT-JUSTIFIED
LEFT-JUSTIFIED
I
NOTES
1. DSP MODE DOES NOT IDENTIFY CHANNEL.
2. LRCLK NORMALLY OPERATES AT
3. BCLK FREQUENCY IS NORMALLY 64
2
S-JUSTIFIED
L/RCLK
SDATA
SDATA
SDATA
MODE
MODE
MSB
MODE
BCLK
MSB
MSB
t
DBH
MSB
t
t
DBL
t
DDS
DLS
12-BIT CLOCKS
16-BIT CLOCKS
8-BIT CLOCKS
(24-BIT DATA)
(20-BIT DATA)
(16-BIT DATA)
MSB
LEFT CHANNEL
LEFT CHANNEL
LEFT CHANNEL
f
t
S
DDH
EXCEPT FOR DSP MODE, WHICH IS 2
LRCLK BUT MAY BE OPERATED IN BURST MODE.
t
DBP
RIGHT-JUSTIFIED MODE – SELECT NUMBER OF BITS PER CHANNEL
t
Figure 1. Supported Serial Data Formats
DDS
MSB-1
LSB
MSB
LEFT-JUSTIFIED MODE – 16 TO 24 BITS PER CHANNEL
Figure 2. Serial Data Port Timing
t
DDH
DSP MODE – 16 TO 24 BITS PER CHANNEL
I
2
S MODE –16 TO 24 BITS PER CHANNEL
LSB
LSB
–15–
1/
f
S
f
S
.
MSB
t
DDS
MSB
MSB
MSB
t
DDH
MSB
RIGHT CHANNEL
RIGHT CHANNEL
RIGHT CHANNEL
LSB
t
DDS
LSB
t
DDH
LSB
LSB
AD1955
LSB