AD1819BJST-REEL Analog Devices Inc, AD1819BJST-REEL Datasheet - Page 6

• Manufacturer Part Number: AD1819BJST-REEL
• Description: IC CODEC AUD STEREO 16BIT 48LQFP
• Manufacturer: Analog Devices Inc
• Type: Audio Codec '97r

Specifications of AD1819BJST-REEL

• Rohs Status: RoHS non-compliant
• Data Interface: Serial
• Resolution (bits): 16 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 90 / 90
• Dynamic Range, Adcs / Dacs (db) Typ: 87 / 90
• Voltage - Supply, Analog: 4.5 V ~ 5.5 V
• Voltage - Supply, Digital: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP

AD1819B
TIMING PARAMETERS (GUARANTEED OVER OPERATING TEMPERATURE RANGE)
Parameter
RESET Active Low Pulsewidth
RESET Inactive to BIT_CLK Start-Up Delay
SYNC Active High Pulsewidth
SYNC Low Pulsewidth
SYNC Inactive to BIT_CLK Start-Up Delay
BIT_CLK Frequency
BIT_CLK Period
BIT_CLK Output Jitter*
BIT_CLK High Pulsewidth
BIT_CLK Low Pulsewidth
SYNC Frequency
SYNC Period
Setup to Falling Edge of BIT_CLK
Hold from Falling Edge of BIT_CLK
BIT_CLK Rise Time
BIT_CLK Fall Time
SYNC Rise Time
SYNC Fall Time
SDATA_IN Rise Time
SDATA_IN Fall Time
SDATA_OUT Rise Time
SDATA_OUT Fall Time
End of Slot 2 to BIT_CLK, SDATA_IN Low
Setup to Trailing Edge of RESET (Applies to
Rising Edge of RESET to HI-Z Delay
*Output Jitter is directly dependent on crystal input jitter.
SYNC, SDATA_OUT)
BIT_CLK
BIT_CLK
SYNC
RESET
BIT_CLK
SYNC
Figure 3. Clock Timing
Figure 2. Warm Reset
Figure 1. Cold Reset
t
SYNC_HIGH
t
RST_LOW
t
CLK_HIGH
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
RST_LOW
RST2CLK
SYNC_HIGH
SYNC_LOW
SYNC2CLK
CLK_PERIOD
CLK_HIGH
CLK_LOW
SYNC_PERIOD
SETUP
HOLD
RISE CLK
FALL CLK
RISE SYNC
FALL SYNC
RISE DIN
FALL DIN
RISE DOUT
FALL DOUT
S2_PDOWN
SETUP2RST
OFF
t
CLK_PERIOD
–6–
t
t
SYNC_PERIOD
SYNC_HIGH
t
CLK_LOW
t
t
RST2CLK
SYNC_LOW
t
RST2CLK
Min
1.0
162.8
0.0814
162.8
32.56
32.56
15.0
15.0
15
Typ
1.3
19.5
12.288
81.4
40.7
40.7
48.0
20.8
4
4
4
4
4
4
4
4
Max
750
48.84
48.84
1.0
25
Units
ns
ns
MHz
ns
ps
ns
ns
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
REV. 0
s
s
s
s
s