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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
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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.

MT9126 Preliminary Information
8-48
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
20
19
18
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
20
19
18
17
VBias
VRef
PWRST
IC
A/µ/IRQ
VSSD
CS
SCLK
DATA1
DATA2
Dout
Din
STB/F0i
CLOCKin
VDD
HSPKR-
M+
M-
VSSA
HSPKR+
15
16
24
23
22
21
20
19
18
17
28
27
26
25
MT8972
MT8910
5V
5V
5V
5V
8
or
MT9126
MT9160
MT9160
MT9160
MT9160
5V
3
3
3
16
Serial Micro-port
Intel MCS-51
Motorola SPI
Nat Semi Microwire
Static Control:
SLIC Functions
Optional QADPCM
functional control
MicroController
1
DSTo
DSTi
F0b
C4b
-5V
5V
-24VDC
meter signal
I/P
meter signal
I/P
120VDC ring
voltage
120VDC ring
voltage
16 control/status lines are:
LR1/2, ESE1/2, SHK1/2
, RC1/2 - 8 x 2 SLIC’s
9 control lines for QADPCM, some optional
8 signals for microport are:
DATA1, DATA2, SCLK, IRQ
, CS1, CS2, CS3, CS4
D-Channel access through CODEC1 Microport as well as C-
Channel control of MT8910/MT8972
16
3
8
1
2
3
4
Reset
TIP1
RING1
DCRI
DCRI
VDD
VDD
VBAT
VEE
ESI2
GND
VEE
RING2
TIP2
VBAT
GND
VR2
VX1
VR1
VX2
ESTi
RF1
RF2
RF3
RG1
RG2
4
37
34
28
11
13
30
7
18
19
20
21
22
1
2
14
27
3
25
26
16
39
40
38
15
Pins
MH88622
5V
-5V
-24VDC
5,8,9,17,23,32,33,36
10.24 MHz
Pair Gain
SLIC 1
MH88622
Pair Gain
SLIC 2
PCMo1
BCLK
PCMi1
LINEAR
ENB2/F0od
VSS
C2o
MCLK
F0i
PCMi2
ENB1
PCMo2
EN1
SEL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
MS1
VDD
MS3
IC
MS4
FORMAT
MS2
PWRDN
ADPCMi
ADPCMo
MS6
EN2
A/µ
MS5
Figure 12 - Pair Gain Remote Terminal utilzing Mitel Components
Preliminary Information MT9126
8-49
Figure 13 - ST-BUS to DSP Platform
CLKR
CLKX
F
S
R
F
S
X
IR
Q
0
DR
DX
System Frame pulse
System 4.096MHz
S
T
P
A
2nd serial port
if available
STPA
port
ADPCM BUS
TI DSP
C2o F0i
MCLK (C4i)
PCMo1
PCMo2 ADPCMo
ADPCMi
PCMi1
PCMi2
LINEAR
EN1 ENB2/F0o
d
C2o F0i
MCLK (C4i)
PCMo1
PCMo2 ADPCMo
ADPCMi
PCMi1
PCmi2
LINEAR
EN1 ENB2/F0o
d
C2o F0i
MCLK (C4i)
PCMo1
PCmo2 ADPCMo
ADPCMi
PCMi1
PCMi2
LINEAR
EN1 ENB2/F0o
d
C2o F0i
MCLK (C4i)
PCMo1
PCMo2 ADPCMo
ADPCMi
PCMi1
PCMi2
LINEAR
EN1 ENB2/F0o
d
MT9126
MT9126
MT9126
MT9126
+5v
+5v
+5v
+5v
ST-BUS
MT8920
MT9126 Preliminary Information
8-50
* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
Typical figures are at 25°C and are for design aid only: not guaranteed and not subject to production testing.
* DC Electrical Characteristics are over recommended temperature and supply voltage.
Absolute Maximum Ratings*
Parameter Symbol Min Max Units
1 Supply Voltage V
DD
-V
SS
-0.3 7.0 V
2 Voltage on any I/O pin V
i
| V
o
V
SS
-0.3 V
DD
+ 0.3 V
3 Continuous Current on any I/O pin I
i
| I
o
±20 mA
4 Storage Temperature T
ST
-65 150 °C
5 Package Power Dissipation P
D
500 mW
Recommended Operating Conditions - Voltages are with respect to ground (V
SS
) unless otherwise stated.
Characteristics Sym Min Typ
Max Units Test Conditions
1 Supply Voltage V
DD
4.5 5.0 5.5 V
2 TTL Input High Voltage 2.4 V
DD
V 400mV noise margin
3 TTL Input Low Voltage V
SS
0.4 V 400mV noise margin
4 CMOS Input High Voltage 4.5 V
DD
V
5 CMOS Input Low Voltage V
SS
0.5 V
6 Operating Temperature T
A
-40 +85 °C
DC Electrical Characteristics - Voltages are with respect to ground (V
SS
) unless otherwise stated.
Characteristics Sym Min Typ
Max Units Test Conditions
1 Supply Current I
CC
I
DD
5
100 µA
mA
PWRDN
= 0
PWRDN
= 1, clocks active
2 Input HIGH voltage (TTL) V
IH
2.0 V
3 Input LOW voltage (TTL) V
IL
0.8 V
4
M
C
L
K
Input HIGH voltage (CMOS) V
IHC
3.5 V
5 Input LOW voltage (CMOS) V
ILC
1.5 V
6 Input leakage current I
IH
/I
IL
0.1 10 µAV
IN
=V
SS
to V
DD
7 High level output voltage V
OH
2.4 V I
OL
=5.0mA
8 Low level output voltage V
OL
0.4 V I
OL
=5.0mA
9 High impedance leakage I
OZ
110µAV
IN
=V
SS
to V
DD
10 Output capacitance C
o
10 pF
11 Input capacitance C
i
8pF
12
P
W
R
D
N
Positive Threshold Voltage
Hysteresis
Negative Threshold Voltage
V+
V
H
V-
3.7
1.0
1.3
V
V
V
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