Freelance Electronics Components Distributor
Closed Dec 25th-26th
800-300-1968
We Stock Hard to Find Parts

MT9126AS

Part # MT9126AS
Description ADPCM Voice Compression G.72616Kbps/24Kbps/32Kbps 5V 28-P
Category IC
Availability In Stock
Qty 14
Qty Price
1 - 2 $18.36817
3 - 5 $14.61104
6 - 8 $13.77613
9 - 11 $12.80206
12 + $11.41053
Manufacturer Available Qty
ZARLINK
  • Shipping Freelance Stock: 14
    Ships Immediately



Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

Preliminary Information MT9126
8-51
Timing is over recommended temperature & power supply voltages.
Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
AC Electrical Characteristics
- Serial PCM/ADPCM Interfaces (see Figure 14)
Voltages are with respect to ground (V
SS
) unless otherwise stated.
Characteristics Sym Min Typ
Max Units Test Conditions
1 BCLK Clock High t
BCH
80 ns
2 BCLK Clock Low t
BCL
80 ns
3 BCLK Period t
BCP
200 7900 ns
4 Data Output Delay (excluding first
bit) t
DD
60 ns C
L
=150pF//R
L
=1K
5 Output Active to High Z t
AHZ
60 ns C
L
=150pF//R
L
=1K
6 Strobe Signal Setup t
SSS
80 t
BCL
-
80
ns
7 Strobe Signal Hold t
SSH
80 t
BCL
-
80
ns
8 Data Input Setup t
DIS
50 ns
9 Data Input Hold t
DIH
50 ns
10 Strobe to Data Delay (first bit) t
SD
60 ns C
L
=150pF//R
L
=1K
11 F0i
Setup t
F0iS
50 122 150 ns
12 F0i
Hold t
F0iH
50 122 150 ns
13 MCLK (C4i
) duty cycle t
H
/t
L
x100
40 50 60 %
14 F0od
Delay t
DFD
60 ns C
L
=150pF//R
L
=1K
15 F0od
Pulse Width t
DFW
244 ns C
L
=150pF//R
L
=1K
16 MCLK (C4i
) period t
C4P
61 244.2 ns
17 Data Output delay t
DSD
95 ns C
L
=150pF//R
L
=1K
18 Data in Hold time t
DSH
50 ns
19 Data in Setup time t
DSS
50 ns
MT9126 Preliminary Information
8-52
Figure 14 - Serial Port Timing
Figure 15 - ST-BUS Timing for External Signal Generation
AC Electrical Characteristics
- ST-BUS C2o Conversion
Voltages are with respect to ground (V
SS
) unless otherwise stated.
Characteristics Sym Min Typ
Max Units Test Conditions
1 Delay MCLK falling to C2o rising t
D1
100 ns 150pF//1K Load
2 Delay MCLK falling to Enable t
D2
100 ns 150pF//1K Load
BCLK
ENB1
or
ENB2
PCMi/ADPCMi
PCMo/ADPCMo
MCLK
F0i
S
S
I
S
T
-
B
U
S
t
BCP
t
BCH
t
BCL
t
SSS
t
SSH
t
DIS
t
DIH
t
DSS
t
DSH
t
DD
t
AHZ
t
DSDt
H
t
F0iH
t
L
t
C4P
t
DFD
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
OH
V
OL
V
IHC
V
ILC
V
IH
V
IL
t
SD
V
OH
V
OL
t
F0iS
t
DFD
t
DFW
F0od
F0i
MCLK
(C4i
)
C2o
EN1
EN2
t
D1
t
D2
t
D2
V
IH
V
IL
V
IHC
V
ILC
V
OH
V
OL
V
OH
V
OL
Preliminary Information MT9126
8-53
Timing is over recommended temperature & power supply voltages.
Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
Figure 16 - SSI Mode Select Set-up and Hold Timing
Figure 17 - ST-BUS Mode Select Set-up and Hold Timing
AC Electrical Characteristics
- Mode Select Timing (see Figures 16 & 17)
Voltages are with respect to ground (V
SS
) unless otherwise stated.
Characteristics Sym Min Typ
Max Units Test Conditions
1 Mode Select Setup t
SU
500 ns MCLK=4096 kHz
2 Mode Select Hold t
HOLD
500 ns
t
SU
t
HOLD
ENB1 (input)
MS1
to
MS6
V
IH
V
IL
V
IH
t
SU
t
HOLD
MS1
to
MS6
MCLK
F0i
Refer to Figure 14 for ST-BUS F0i timing.
V
IH
V
IL
PREVIOUS12345678NEXT