TP3040AV PDF даташит
Спецификация TP3040AV изготовлена «National Semiconductor» и имеет функцию, называемую «TP3040/ TP3040A PCM Monolithic Filter». |
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Детали детали
Номер произв | TP3040AV |
Описание | TP3040/ TP3040A PCM Monolithic Filter |
Производители | National Semiconductor |
логотип |
10 Pages
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September 1994
TP3040 TP3040A PCM Monolithic Filter
General Description
The TP3040 TP3040A filter is a monolithic circuit contain-
ing both transmit and receive filters specifically designed for
PCM CODEC filtering applications in 8 kHz sampled sys-
tems
The filter is manufactured using microCMOS technology
and switched capacitor integrators are used to simulate
classical LC ladder filters which exhibit low component sen-
sitivity
TRANSMIT FILTER STAGE
The transmit filter is a fifth order elliptic low pass filter in
series with a fourth order Chebyshev high pass filter It pro-
vides a flat response in the passband and rejection of sig-
nals below 200 Hz and above 3 4 kHz
RECEIVE FILTER STAGE
The receive filter is a fifth order elliptic low pass filter de-
signed to reconstruct the voice signal from the decoded de-
multiplexed signal which as a result of the sampling pro-
cess is a stair-step signal having the inherent sin x x fre-
quency response The receive filter approximates the func-
tion required to compensate for the degraded frequency re-
sponse and restore the flat passband response
Features
Y Designed for D3 D4 and CCITT applications
Y a5V b5V power supplies
Y Low power consumption
45 mW (0 dBm0 into 600X)
30 mW (power amps disabled)
Y Power down mode 0 5 mW
Y 20 dB gain adjust range
Y No external anti-aliasing components
Y Sin x x correction in receive filter
Y 50 60 Hz rejection in transmit filter
Y TTL and CMOS compatible logic
Y All inputs protected against static discharge due to
handling
Block Diagram
FIGURE 1
C1995 National Semiconductor Corporation TL H 6660
TL H 6660 – 1
RRD-B30M115 Printed in U S A
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Absolute Maximum Ratings
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltages
g7V
Power Dissipation
1 W Package
Input Voltage
g7V
Voltage at Any Input
or Output
VCC a 0 3V to VBBV b 0 3V
Output Short-Circuit Duration
Continuous
Operating Temperature Range
b25 C to a125 C
Storage Temperature
b65 C to a150 C
Lead Temperature (Soldering 10 seconds)
300 C
ESD Rating to be determined
DC Electrical Characteristics Unless otherwise noted limits printed in BOLD characters are guaranteed for
VCC e a5 0V g5% VBB e b5 0V g5% TA e 0 C to 70 C by correlation with 100% electrical testing at TA e 25 C All other
limits are assured by correlation with other production tests and or product design and characterization Typicals specified at
VCC e a5 0V VBB e b5 0V TA e 25 C Clock frequency is 2 048 MHz Digital interface voltages measured with respect to
digital ground GNDD Analog voltages measured with respect to analog ground GNDA
Symbol
Parameter
Conditions
Min Typ Max Units
POWER DISSIPATION
ICC0
VCC Standby Current
VCC e 5 25V VBB e b5 25V
CLK0 and PWRI e b5 25V (Note 6)
All other pins at GND (0V)
TP3040 TP3040A
50 100
mA
IBB0 VBB Standby Current
VCC e 5 25V VBB e b5 25V
CLK0 and PWRI e b5 25V (Note 6)
All other pins at GND (0V)
TP3040 TP3040A
50 100
mA
ICC1
VCC Operating Current
IBB1 VBB Operating Current
ICC2
VCC Operating Current
IBB2 VBB Operating Current
DIGITAL INTERFACE
PWRI e VBB Power Amp Inactive
PWRI e VBB Power Amp Inactive
(Note 1)
(Note 1)
30 40
30 40
46 64
46 64
mA
mA
mA
mA
IINC Input Current CLK
IINP Input Current PDN
IIN0 Input Current CLK0
VIL Input Low Voltage CLK PDN
VIH Input High Voltage CLK PDN
VIL0 Input Low Voltage CLK0
VII0 Input Intermediate Voltage CLK0
VIH0
Input High Voltage CLK0
TRANSMIT INPUT OP AMP
VBB s VIN s VCC
VBB s VIN s VCC
VBB s VIN s VCC b 0 5V
b10
b100
b10
0
22
VBB
b0 8
VCCb0 5
10
b0 1
08
VCC
VBBa0 5
08
VCC
mA
mA
mA
V
V
V
V
V
IBxI
RIxI
VOSxI
VCM
CMRR
PSRR
ROL
RL
CL
VOxI
AVOL
Fc
Input Leakage Current VFxI
Input Resistance VFxI
Input Offset Voltage VFxI
Common-Mode Range VFxI
Common-Mode Rejection Ratio
Power Supply Rejection of VCC or VBB
Open Loop Output Resistance GSx
Minimum Load Resistance GSx
Maximum Load Capacitance GSx
Output Voltage Swing GSx
Open Loop Voltage Gain GSx
Open Loop Unity Gain Bandwidth GSx
b3 2V s VIN s a3 2V
VBB s VFxI s VCC
b2 5V s VIN s a2 5V
b2 5V s VIN s 2 5V
RL t 10k
RL t 10k
b100
10
b20
b2 5
60
60
10
1
g2 5
5 000
2
100
20
25
100
nA
MX
mV
V
dB
dB
kX
kX
pF
V
VV
MHz
2
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AC Electrical Characteristics
Unless otherwise specified TAe25 C All parameters are specified for a signal level of 0 dBm0 at 1 kHz The 0 dBm0 level is
assumed to be 1 54 Vrms measured at the output of the transmit or receive filter Limits printed in BOLD characters are
guaranteed for VCCe a5 0Vg5% VBB e b5 0Vg5% TA e 0 C to 70 C by correlation with 100% electrical testing at TA e
25 C All other limits are assured by correlation with other production tests and or product design and characterization Typicals
specified at VCC e a5 0V VBB e b5 0V TA e 25 C
Symbol
Parameter
Conditions
Min Typ Max Units
TRANSMIT FILTER (Transmit filter input op amp set to the non-inverting unity gain mode with VFxIe1 09 Vrms unless
otherwise noted )
RLx
CLx
ROx
PSRR1
PSRR2
GAx
Minimum Load Resistance VFxO
Load Capacitance VFxO
Output Resistance VFxO
VCC Power Supply Rejection VFxO
VBB Power Supply Rejection VFxO
Absolute Gain
b2 5VkVOUTk2 5V
b3 2VkVOUTk3 2V
fe1 kHz VFxIa e0 Vrms
Same as Above
fe1 kHz (TP3040A)
fe1 kHz (TP3040)
3
10
30
35
29
2 875
kX
kX
100 pF
13X
dB
dB
3 0 3 1 dB
3 0 3 125 dB
GRx Gain Relative to GAx
Below 50 Hz
50 Hz
60 Hz
200 Hz (TP3040A)
200 Hz (TP3040)
300 Hz to 3 kHz (TP3040A)
300 Hz to 3 kHz (TP3040)
3 3 kHz
3 4 kHz
4 0 kHz
4 6 kHz and Above
b1 5
b1 5
b0 125
b0 15
b0 35
b0 70
b41
b35
b15
b35
b35
b30
0
0 05
0 125
0 15
0 03
b0 1
b14
b32
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
DAx Absolute Delay at 1 kHz
DDx Differential Envelope Delay from
1 kHz to 2 6 kHz
250 ms
60 ms
DPx1
Single Frequency Distortion
Products
b48
dB
DPx2
NCx1
NCx2
Distortion at Maximum Signal
Level
Total C Message Noise at VFxO
Total C Message Noise at VFxO
0 16 Vrms 1 kHz Signal Applied to
VFxIa Gaine20 dB RLe10k
TP3040 TP3040A
Gain Setting Op Amp at 20 dB
Non-Inverting (Note 3)
TAe0 C to 70 C
TP3040 TP3040A
b45
dB
2 5 dBrnc0
3 6 dBrnc0
GAxT
Temperature Coefficient of
1 kHz Gain
0 0004
dB C
GAxS
CTRX
GRxL
Supply Voltage Coefficient of
1 kHz Gain
Crosstalk Receive to Transmit
20 log VFxO
VFRO
Gaintracking Relative to GAx
VCCe5 0Vg5%
VBBeb5 0Vg5%
0 01 dB V
Receive Filter Outpute2 2 Vrms
VFxIa e0 Vrms fe0 2 kHz to 3 4 kHz
Measure VFxO
b70
dB
Output Levele a3 dBm0
a2 dBm0 to b40 dBm0
b40 dBm0 to b55 dBm0
b0 1
b0 05
b0 1
0 1 dB
0 05 dB
0 1 dB
3
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Номер в каталоге | Описание | Производители |
TP3040AJ | TP3040/ TP3040A PCM Monolithic Filter | National Semiconductor |
TP3040AJ | TP3040/ TP3040A PCM Monolithic Filter | National Semiconductor |
TP3040AJ | TP3040/ TP3040A PCM Monolithic Filter | National Semiconductor |
TP3040AN | TP3040/ TP3040A PCM Monolithic Filter | National Semiconductor |
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