ml7074-001ga Oki Semiconductor, ml7074-001ga Datasheet - Page 15

• Manufacturer Part Number: ml7074-001ga
• Description: Speech Codec
• Manufacturer: Oki Semiconductor

(Unless otherwise specified, AV
PCM I/F Mode
Ta = −20 to +60°C)
Oki Semiconductor
SYNC
Bit clock frequency
Bit clock duty ratio
Sync signal frequency
Sync signal duty ratio
Transmit/receive signal sync
timing
Input setup time
Input hold time
Digital output delay time
Digital output hold time
BCLK
SYNC
PCMI
BCLK
PCMI
Parameter
0
0
tBS
tBS
tSB
1
tSB
tWS
1
tWS
MSB
tDS
2
MSB
tDS
2
Figure 3 PCM I/F mode input timing (short frame)
Figure 2 PCM I/F mode input timing (long frame)
DD
tDH
tDH
= 3.0 to 3.6 V, DV
dSYNC1
dSYNC2
Symbol
dBCLK
fSYNC
3
fBCLK
tSDX
tXD1
tXD2
tXD3
tDH
tBS
tSB
tDS
3
4
Pull-up, pull-down resistors
RDL = 1 kΩ, CDL = 50 pF
4
G.726
LSB
CDL = 20pF(at output)
CDL = 20pF(at output)
CDL = 20pF(at output)
CDL = 20pF(at output)
CDL = 20pF(at output)
At 128 kHz output
DD
At 64 kHz output
BCLK to SYNC
SYNC to BCLK
5
G.726
0, 1, 2 = 3.0 to 3.6 V, AGND = DGND0, 1, 2 = 0.0 V,
LSB
Conditions
PCMO pin
(at output)
(at output)
5


6
6
7
7
−0.1%
−0.1%
Min.
12.4
6.24
100
100
100
100
8
45




8
G.711
LSB
Typ.
9
12.5
6.25
G.711
64
50
LSB








8
-
-
+0.1%
+0.1%
Max.
12.6
6.26
100
100
100
100
55


—
—
ML7074-001GA
16
16-bit
linear
LSB
17
16-bit
linear
LSB
Unit
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
%
%
%
11