AD1888JCP-REEL Analog Devices Inc, AD1888JCP-REEL Datasheet - Page 6

• Manufacturer Part Number: AD1888JCP-REEL
• Description: IC CODEC AUDIO-PC AC'97 48LFCSP
• Manufacturer: Analog Devices Inc
• Series: SoundMAX®r
• Type: Audio Codec '97r

Specifications of AD1888JCP-REEL

• Data Interface: Serial
• Resolution (bits): 16, 20 b
• Number Of Adcs / Dacs: 2 / 6
• Sigma Delta: No
• Dynamic Range, Adcs / Dacs (db) Typ: 80 / 90
• Voltage - Supply, Analog: 4.75 V ~ 5.25 V
• Voltage - Supply, Digital: 3.15 V ~ 3.45 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-VFQFN, CSP Exposed Pad
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AD1888
TIMING PARAMETERS
Guaranteed over operating temperature range.
Table 2.
Parameter
RESET Active Low Pulse Width
RESET Inactive to BIT_CLK Startup Delay
SYNC Active High Pulse Width
SYNC Low Pulse Width
SYNC Inactive to BIT_CLK Startup Delay
BIT_CLK Frequency
BIT_CLK Frequency Accuracy
BIT_CLK Period
BIT_CLK Output Jitter
BIT_CLK High Pulse Width
BIT_CLK Low Pulse Width
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 RESET Inactive (SYNC, SDATA_OUT)
Rising Edge of RESET to Hi-Z Delay
Propagation Delay
RESET Rise Time
Output Valid Delay from BIT_CLK Rising
1
2
Guaranteed but not tested.
Output jitter directly dependent on crystal input jitter.
1, 2
SDATA_IN
BIT_CLK
RESET
BIT_CLK
SYNC
Figure 2. Cold Reset Timing (Codec is Supplying the Bit_CLK Signal)
t
Figure 3. Warm Reset Timing
SYNC_HIGH
t
RST_LOW
Rev. A | Page 6 of 32
t
Symbol
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
RISECLK
FALLCLK
RISESYNC
FALLSYNC
RISEDIN
FALLDIN
RISEDOUT
FALLDOUT
S2_PDOWN
SETUP2RST
OFF
t
t
TRI2ACTV
TRI2ACTV
t
SYNC2CLK
t
RST2CLK
Min
162.8
162.8
40
39.7
4
3
2
2
2
2
2
2
2
2
0
15
Typ
1.0
1.3
19.5
12.288
81.4
750
48.0
20.8
4
4
4
4
4
4
4
4
Max
400,000
±1.0
41.7
41.4
6
6
6
6
6
6
6
6
1.0
25
15
50
15
Unit
μs
ns
μs
μs
ns
MHz
ppm
ns
ps
ns
ns
kHz
μs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
μs
ns
ns
ns
ns
ns