TLC04CD/MF4A-50CD [TI]

IC SWITCHED CAPACITOR FILTER, BUTTERWORTH, LOWPASS, PDSO8, SOIC-8, Active Filter;
TLC04CD/MF4A-50CD
型号: TLC04CD/MF4A-50CD
厂家: TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
描述:

IC SWITCHED CAPACITOR FILTER, BUTTERWORTH, LOWPASS, PDSO8, SOIC-8, Active Filter

LTE 光电二极管 有源滤波器
文件: 总14页 (文件大小:356K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
TLC04/MF4A-50, TLC14/MF4A-100  
BUTTERWORTH FOURTH-ORDER LOW-PASS  
SWITCHED-CAPACITOR FILTERS  
SLAS021A – NOVEMBER 1986 – REVISED MARCH 1995  
D OR P PACKAGE  
(TOP VIEW)  
Low Clock-to-Cutoff-Frequency Ratio Error  
TLC04/MF4A-50 . . . ±0.8%  
TLC14/MF4A-100 . . . ±1%  
CLKIN  
CLKR  
LS  
FILTER IN  
1
2
3
4
8
7
6
5
Filter Cutoff Frequency Dependent Only on  
External-Clock Frequency Stability  
V
CC+  
AGND  
FILTER OUT  
Minimum Filter Response Deviation Due to  
External Component Variations Over Time  
and Temperature  
V
CC–  
Cutoff Frequency Range From 0.1 Hz  
to 30 kHz, V  
= ±2.5 V  
CC±  
5-V to 12-V Operation  
Self Clocking or TTL-Compatible and  
CMOS-Compatible Clock Inputs  
Low Supply-Voltage Sensitivity  
Designed to be Interchangeable With  
National MF4-50 and MF4-100  
description  
The TLC04/MF4A-50 and TLC14/MF4A-100 are monolithic Butterworth low-pass switched-capacitor filters.  
Each is designed as a low-cost, easy-to-use device providing accurate fourth-order low-pass filter functions in  
circuit design configurations.  
Eachfilter features cutoff frequency stability that is dependent only on the external-clock frequency stability. The  
cutoff frequency is clock tunable and has a clock-to-cutoff frequency ratio of 50:1 with less than ±0. 8% error  
for the TLC04/MF4A-50 and a clock-to-cutoff frequency ratio of 100:1 with less than ±1% error for the  
TLC14/MF4A-100. The input clock features self-clocking or TTL- or CMOS-compatible options in conjunction  
with the level shift (LS) terminal.  
The TLC04C/MF4A-50C and TLC14C/MF4A-100C are characterized for operation from 0°C to 70°C. The  
TLC04I/MF4A-50I and TLC14I/MF4A-100I are characterized for operation from 40°C to 85°C. The  
TLC04M/MF4A-50M and TLC14M/MF4A-100M are characterized over the full military temperature range of  
55°C to 125°C.  
AVAILABLE OPTIONS  
PACKAGE  
CLOCK-TO-CUTOFF  
FREQUENCY RATIO  
T
A
SMALL OUTLINE  
(D)  
PLASTIC DIP  
(P)  
50:1  
100:1  
TLC04CD/MF4A-50CD  
TLC14CD/MF4A-100CD  
TLC04CP/MF4A-50CP  
TLC14CP/MF4A-100CP  
0°C to 70°C  
40°C to 85°C  
55°C to 125°C  
50:1  
100:1  
TLC04ID/MF4A-50ID  
TLC14ID/MF4A-100ID  
TLC04IP/MF4A-50IP  
TLC14IP/MF4A-100IP  
50:1  
100:1  
TLC04MP/MF4A-50MP  
TLC14MP/MF4A-100MP  
The D package is available taped and reeled. Add the suffix R to the device type (e.g., TLC04CDR/MF4A-50CDR).  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 1995, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLC04/MF4A-50, TLC14/MF4A-100  
BUTTERWORTH FOURTH-ORDER LOW-PASS  
SWITCHED-CAPACITOR FILTERS  
SLAS021A – NOVEMBER 1986 – REVISED MARCH 1995  
functional block diagram  
Level Shift  
3
LS  
1
CLKIN  
2
Nonoverlapping  
Clock Generator  
CLKR  
φ1  
φ2  
8
Butterworth  
Fourth-Order  
Low-Pass Filter  
FILTER IN  
5
FILTER OUT  
6
AGND  
Terminal Functions  
TERMINAL  
NAME  
I/O  
DESCRIPTION  
NO.  
6
AGND  
I
I
Analogground. The noninverting input to the operational amplifiers of the Butterworth fourth-order low-pass filter.  
Clock in. CLKIN is the clock input terminal for CMOS-compatible clock or self-clocking options. For either option,  
CLKIN  
1
LS is at V  
from CLKIN to ground.  
. For self-clocking, a resistor is connected between CLKIN and CLKR and a capacitor is connected  
CC–  
CLKR  
2
I
Clock R. CLKR is the clock input for a TTL-compatible clock. For a TTL clock, LS is connected to midsupply and  
CLKIN can be left open, but it is recommended that it be connected to either V  
or V  
.
CC–  
CC+  
FILTER IN  
FILTER OUT  
LS  
8
5
3
I
O
I
Filter input  
Butterworth fourth-order low-pass filter output  
Level shift. LS accommodates the various input clocking options. For CMOS-compatible clocks or self-clocking,  
LS is at V and for TTL-compatible clocks, LS is at midsupply.  
CC–  
V
V
7
4
I
I
Positive supply voltage terminal  
Negative supply voltage terminal  
CC+  
CC–  
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLC04/MF4A-50, TLC14/MF4A-100  
BUTTERWORTH FOURTH-ORDER LOW-PASS  
SWITCHED-CAPACITOR FILTERS  
SLAS021A – NOVEMBER 1986 – REVISED MARCH 1995  
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)  
Supply voltage range, V  
(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±7 V  
CC±  
Operating free-air temperature range, T : TLC04C/MF4A-50C, TLC14C/MF4A-100C . . . . . . 0°C to 70°C  
A
TLC04I/MF4A-50I, TLC14I/MF4A-100I . . . . . . . . 40°C to 85°C  
TLC04M/MF4A-50M, TLC14M/MF4A-100M . . . 55°C to 125°C  
Storage temperature range, T  
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C  
stg  
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and  
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not  
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.  
NOTE 1: All voltage values are with respect to the AGND terminal.  
recommended operating conditions  
TLC04/MF4A-50  
TLC14/MF4A-100  
UNIT  
MIN  
2.25  
2.25  
2
MAX  
6
MIN  
2.25  
2.25  
2
MAX  
6
Positive supply voltage, V  
V
V
V
V
CC+  
Negative supply voltage, V  
–6  
–6  
CC–  
High-level input voltage, V  
Low-level input voltage, V  
IH  
0.8  
0.8  
IL  
(see Note 2)  
6
6
V
V
= ±2.5 V  
= ±5 V  
5
5
1.5x10  
5
5
1.5x10  
CC±  
Clock frequency, f  
Hz  
Hz  
clock  
6
6
2x10  
2x10  
CC±  
3
3
Cutoff frequency, f (see Note 3)  
co  
0.1 40x10  
0.05 20x10  
TLC04C/MF4A-50C, TLC14C/MF4A-100C  
TLC04I/MF4A-50I, TLC14I/MF4A-100I  
TLC04M/MF4A-50M, TLC14M/MF4A-100M  
0
40  
55  
70  
0
40  
55  
70  
Operating free-air temperature, T  
85  
85  
°C  
A
125  
125  
NOTES: 2. Above 250 kHz, the input clock duty cycle should be 50% to allow the operational amplifiers the maximum time to settle while  
processing analog samples.  
3. The cutoff frequency is defined as the frequency where the response is 3.01 dB less than the dc gain of the filter.  
electrical characteristics over recommended operating free-air temperature range, V  
= 2.5 V,  
CC+  
V
= 2.5 V, f  
250 kHz (unless otherwise noted)  
CC–  
clock  
filter section  
TLC04/MF4A-50  
TLC14/MF4A-100  
PARAMETER  
Output offset voltage  
TEST CONDITIONS  
UNIT  
mV  
V
TYP  
TYP  
MIN  
MAX  
MIN  
MAX  
V
V
25  
2
50  
2
OO  
V
V
1.8  
1.8  
OM+  
Peak output voltage  
R
= 10 k  
OM  
L
1.25  
1.7  
0.5  
4
1.25  
1.7  
0.5  
4
OM–  
Source  
Sink  
I
I
Short-circuit output current  
Supply current  
T
= 25°C, See Note 4  
mA  
mA  
OS  
A
f
= 250 kHz  
1.2  
2.25  
1.2  
2.25  
CC  
clock  
All typical values are at T = 25°C.  
A
NOTE 4:  
I
I
is measured by forcing the output to its maximum positive voltage and then shorting the output to the V  
is measured by forcing the output to its maximum negative voltage and then shorting the output to the V  
terminal  
CC–  
terminal.  
CC+  
OS(source)  
OS(sink)  
3
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLC04/MF4A-50, TLC14/MF4A-100  
BUTTERWORTH FOURTH-ORDER LOW-PASS  
SWITCHED-CAPACITOR FILTERS  
SLAS021A – NOVEMBER 1986 – REVISED MARCH 1995  
electrical characteristics over recommended operating free-air temperature range, V  
= 5 V,  
CC+  
V
= 5 V, f  
250 kHz (unless otherwise noted)  
CC–  
clock  
filter section  
TLC04/MF4A-50  
TLC14/MF4A-100  
TEST  
CONDITIONS  
PARAMETER  
Output offset voltage  
UNIT  
mV  
V
MIN TYP  
MAX  
MIN TYP  
MAX  
V
V
150  
200  
4.5  
4.1  
–2  
OO  
V
V
3.75  
4.3  
4.1  
–2  
3.75  
OM+  
Peak output voltage  
R
= 10 kΩ  
= 25°C,  
OM  
L
3.75  
3.75  
OM–  
Source  
Sink  
T
A
I
I
Short-circuit output current  
Supply current  
mA  
OS  
See Note 4  
5
5
f
= 250 kHz  
1.8  
30  
3
1.8  
30  
3
mA  
dB  
CC  
clock  
k
Supply voltage sensitivity (see Figures 1 and 2)  
SVS  
All typical values are at T = 25°C.  
A
NOTE 4:  
I
ismeasuredbyforcingtheoutputtoitsmaximumpositivevoltageandthenshortingtheoutputtotheV  
terminal.I  
terminal.  
OS(source)  
is measured by forcing the output to its maximum negative voltage and then shorting the output to the V  
CC–  
OS(sink)  
CC+  
clocking section  
PARAMETER  
TEST CONDITIONS  
MIN TYP  
MAX  
8.9  
4.4  
3.8  
1.9  
7.6  
3.8  
UNIT  
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
= 10 V,  
= 5 V,  
= 10 V,  
= 5 V,  
= 10 V,  
= 5 V,  
V
CC–  
V
CC–  
V
CC–  
V
CC–  
V
CC–  
V
CC–  
= 0  
= 0  
= 0  
= 0  
= 0  
= 0  
6.1  
7
CC+  
CC+  
CC+  
CC+  
CC+  
CC+  
V
IT+  
V
IT–  
V
hys  
V
OH  
V
OL  
Positive-going input threshold voltage  
Negative-going input threshold voltage  
V
3.1  
1.3  
0.6  
2.3  
1.2  
9
3.5  
3
CLKIN  
V
V
1.5  
4
Hysteresis voltage (V  
– V  
)
IT–  
IT+  
2
= 10 V  
= 5 V  
CC  
CC  
CC  
CC  
CC  
CC  
CC  
CC  
CC  
CC  
High-level output voltage  
Low-level output voltage  
Input leakage current  
I
= 10 µA  
= 10 µA  
V
O
O
4.5  
= 10 V  
= 5 V  
1
0.5  
2
I
V
= 10 V  
= 5 V  
LS at midsupply,  
= 25°C  
CLKR  
µA  
mA  
mA  
T
2
A
= 10 V  
= 5 V  
– 3  
0.75  
3
–7  
–2  
7
CLKR and CLKIN  
shortened to V  
CC–  
I
O
Output current  
= 10 V  
= 5 V  
CLKR and CLKIN  
shortened to V  
CC+  
0.75  
2
All typical values are at T = 25°C.  
A
4
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLC04/MF4A-50, TLC14/MF4A-100  
BUTTERWORTH FOURTH-ORDER LOW-PASS  
SWITCHED-CAPACITOR FILTERS  
SLAS021A – NOVEMBER 1986 – REVISED MARCH 1995  
operating characteristics over recommended operating free-air temperature range, V  
= 2.5 V,  
CC+  
V
= 2.5 V (unless otherwise noted)  
CC–  
TLC04/MF4A-50  
TLC14/MF4A-100  
PARAMETER  
TEST CONDITIONS  
UNIT  
MIN TYP  
MAX  
MIN TYP  
MAX  
Maximum clock frequency, f  
See Note 2  
1.5  
3
1.5  
3
MHz  
max  
Clock-to-cutoff-frequency ratio (f  
/f  
)
f
f
250 kHz,  
250 kHz  
T
A
= 25°C  
49.27 50.07 50.87  
99  
100  
101 Hz/Hz  
clock co  
clock  
Temperature coefficient of clock-to-cutoff  
frequency ratio  
±25  
±25  
ppm/°C  
clock  
f
f
T
= 5 kHz,  
f = 6 kHz  
7.9 7.57  
1.7 1.46  
7.1  
1.3  
co  
dB  
= 250 kHz,  
= 25°C  
clock  
f = 4.5 kHz  
f = 3 kHz  
A
Frequency response above and below  
cutoff frequency (see Note 5)  
f
f
T
= 5 kHz,  
= 250 kHz,  
7.9 7.42  
7.1  
dB  
co  
clock  
= 25°C  
f = 2.25 kHz  
1.7 –1.51  
78  
1.3  
A
Dynamic range (see Note 6)  
T
= 25°C  
80  
dB  
dB  
A
Stop-band frequency attentuation at 2 f  
Voltage amplification, dc  
f
f
250 kHz  
24  
25  
0
24  
0.15 0.15  
25  
0
co  
clock  
250 kHz, RS 2 kΩ  
0.15  
0.15  
dB  
clock  
Peak-to-peak clock feedthrough voltage  
T
A
= 25°C  
5
5
mV  
All typical values are at T = 25°C.  
A
NOTES: 2. Above 250 kHz, the input clock duty cycle should be 50% to allow the operational amplifiers the maximum time to settle while  
processing analog samples.  
5. The frequency responses at f are referenced to a dc gain of 0 dB.  
6. The dynamic range is referenced to 1.06 V rms (1.5 V peak) where the wideband noise over a 30-kHz bandwidth is typically  
106 µV rms for the TLC04/MF4A-50 and 135 µV rms for the TLC14/MF4A-100.  
operating characteristics over recommended operating free-air temperature range, V  
= 5 V,  
CC+  
V
= 5 V (unless otherwise noted)  
CC–  
TLC04/MF4A-50  
TLC14/MF4A-100  
PARAMETER  
TEST CONDITIONS  
UNIT  
MIN TYP  
MAX  
MIN TYP  
MAX  
Maximum clock frequency, f  
See Note 2  
2
4
2
4
MHz  
max  
Clock-to-cutoff-frequency ratio (f  
/f  
)
f
f
250 kHz,  
250 kHz  
T
A
= 25°C  
49.58 49.98 50.38  
99  
100  
101 Hz/Hz  
clock co  
clock  
Temperature coefficient of clock-to-cutoff  
frequency ratio  
±15  
±15  
ppm/°C  
clock  
f
f
T
= 5 kHz,  
f = 6 kHz  
7.9 7.57  
1.7 1.44  
7.1  
1.3  
co  
dB  
= 250 kHz,  
= 25°C  
clock  
f = 4.5 kHz  
f = 3 kHz  
A
Frequency response above and below  
cutoff frequency (see Note 5)  
f
f
T
= 5 kHz,  
= 250 kHz,  
7.9 7.42  
7.1  
dB  
co  
clock  
= 25°C  
f = 2.25 kHz  
1.7 –1.51  
84  
1.3  
A
Dynamic range (see Note 6)  
T
= 25°C  
86  
dB  
dB  
A
Stop-band frequency attentuation at 2 f  
Voltage amplification, dc  
f
f
250 kHz  
24  
25  
0
24  
0.15 0.15  
25  
0
co  
clock  
250 kHz, RS 2 kΩ  
0.15  
0.15  
dB  
clock  
Peak-to-peak clock feedthrough voltage  
T
A
= 25°C  
7
7
mV  
All typical values are at T = 25°C.  
A
NOTES: 2. Above 250 kHz, the input clock duty cycle should be 50% to allow the operational amplifiers the maximum time to settle while  
processing analog samples.  
5. The frequency responses at f are referenced to a dc gain of 0 dB.  
6. Thedynamicrangeisreferencedto2.82Vrms(4Vpeak)wherethewidebandnoiseovera30-kHzbandwidthistypically142µV rms  
for the TLC04/MF4A-50 and 178 µV rms for the TLC14/MF4A-100.  
5
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLC04/MF4A-50, TLC14/MF4A-100  
BUTTERWORTH FOURTH-ORDER LOW-PASS  
SWITCHED-CAPACITOR FILTERS  
SLAS021A – NOVEMBER 1986 – REVISED MARCH 1995  
TYPICAL CHARACTERISTICS  
FILTER OUTPUT  
vs  
SUPPLY VOLTAGE V  
RIPPLE FREQUENCY  
CC+  
0
V
CC+  
= 5 V + 50-mV Sine Wave  
(0 to 40 kHz)  
V
= 5 V  
CC–  
– 10  
– 20  
Filter in at 0 V  
= 250 kHz  
f
clock  
– 30  
– 40  
– 50  
– 60  
0
5
10  
15  
20  
25  
30  
35  
40  
Supply Voltage V  
Ripple Frequency – kHz  
CC+  
Figure 1  
FILTER OUTPUT  
vs  
SUPPLY VOLTAGE V  
RIPPLE FREQUENCY  
CC–  
0
V
CC+  
V
CC–  
= 5 V  
= 5 V + 50-mV Sine Wave  
(0 to 40 kHz)  
– 10  
Filter in at 0 V  
= 250 kHz  
f
clock  
– 20  
– 30  
– 40  
– 50  
– 60  
0
5
10  
15  
20  
25  
30  
35  
40  
Supply Voltage V  
Ripple Frequency – kHz  
CC–  
Figure 2  
6
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLC04/MF4A-50, TLC14/MF4A-100  
BUTTERWORTH FOURTH-ORDER LOW-PASS  
SWITCHED-CAPACITOR FILTERS  
SLAS021A – NOVEMBER 1986 – REVISED MARCH 1995  
APPLICATION INFORMATION  
5 V  
7
V
CC+  
Level Shift  
3
1
LS  
5 V  
CLKIN  
CMOS  
CLKIN  
–5 V  
2
CLKR  
Nonoverlapping  
Clock Generator  
φ1  
φ2  
8
6
FILTER IN  
AGND  
Butterworth  
Fourth-Order  
Low-Pass Filter  
5
FILTER  
OUT  
V
CC–  
4
–5 V  
Figure 3. CMOS-Clock-Driven Dual-Supply Operation  
5 V  
7
V
CC+  
Level Shift  
3
1
LS  
CLKIN  
–5 V  
0 V  
2
CLKR  
TTL  
CLKR  
Nonoverlapping  
Clock Generator  
φ1  
φ2  
8
6
FILTER IN  
AGND  
Butterworth  
Fourth-Order  
Low-Pass Filter  
5
FILTER  
OUT  
V
CC–  
4
–5 V  
Figure 4. TTL-Clock-Driven Dual-Supply Operation  
7
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLC04/MF4A-50, TLC14/MF4A-100  
BUTTERWORTH FOURTH-ORDER LOW-PASS  
SWITCHED-CAPACITOR FILTERS  
SLAS021A – NOVEMBER 1986 – REVISED MARCH 1995  
APPLICATION INFORMATION  
5 V  
7
V
CC+  
Level Shift  
3
1
LS  
CLKIN  
R
2
CLKR  
C
Nonoverlapping  
Clock Generator  
φ1  
φ2  
FILTER  
OUT  
8
6
Filter  
Input  
FILTER IN  
AGND  
Butterworth  
Fourth-Order  
Low-Pass Filter  
5
Filter  
Output  
V
CC–  
4
–5 V  
1
f
clock  
V
–V  
V
CC IT–  
IT  
RC In  
V
–V  
V
CC IT  
IT–  
For V  
= 10 V  
CC  
1
f
=
clock  
1.69 RC  
Figure 5. Self-Clocking Through Schmitt-Trigger Oscillator Dual-Supply Operation  
8
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLC04/MF4A-50, TLC14/MF4A-100  
BUTTERWORTH FOURTH-ORDER LOW-PASS  
SWITCHED-CAPACITOR FILTERS  
SLAS021A – NOVEMBER 1986 – REVISED MARCH 1995  
APPLICATION INFORMATION  
10 V  
7
V
CC+  
3
LS  
Level Shift  
10 V  
–5 V  
1
2
CLKIN  
CLKR  
CMOS  
CLKIN  
0 V  
0 V  
See Note A  
TTL  
CLKR  
Nonoverlapping  
Clock Generator  
10 kΩ  
φ1  
φ2  
FILTER IN  
(see Note B)  
5 VOC  
8
6
FILTER IN  
AGND  
Butterworth  
Fourth-Order  
Low-Pass Filter  
5
FILTER  
OUT  
V
CC–  
0.1 µF  
4
10 kΩ  
See Note C  
NOTES: A. The external clock used must be of CMOS level because the clock is input to a CMOS Schmitt trigger.  
B. The filter input signal should be dc-biased to midsupply or ac-coupled to the terminal.  
C. AGND must be biased to midsupply.  
Figure 6. External-Clock-Driven Single-Supply Operation  
9
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLC04/MF4A-50, TLC14/MF4A-100  
BUTTERWORTH FOURTH-ORDER LOW-PASS  
SWITCHED-CAPACITOR FILTERS  
SLAS021A – NOVEMBER 1986 – REVISED MARCH 1995  
APPLICATION INFORMATION  
10 V  
7
V
CC+  
3
LS  
Level Shift  
1
2
CLKIN  
CLKR  
R
C
Nonoverlapping  
Clock Generator  
10 kΩ  
φ2  
φ1  
8
6
FILTER IN  
AGND  
FILTER  
OUT  
Butterworth  
Fourth-Order  
Low-Pass Filter  
5
V
CC–  
4
10 kΩ  
0.1 µF  
See Note A  
1
f
clock  
V
–V  
V
CC IT–  
IT  
RC In  
V
–V  
V
CC IT  
IT–  
For V  
= 10 V  
CC  
1
f
=
clock  
1.69 RC  
NOTE A: AGND must be biased to midsupply.  
Figure 7. Self Clocking Through Schmitt-Trigger Oscillator Single-Supply Operation  
10  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLC04/MF4A-50, TLC14/MF4A-100  
BUTTERWORTH FOURTH-ORDER LOW-PASS  
SWITCHED-CAPACITOR FILTERS  
SLAS021A – NOVEMBER 1986 – REVISED MARCH 1995  
APPLICATION INFORMATION  
5 V  
7
V
CC+  
Level Shift  
3
LS  
1
2
CLKIN  
CLKR  
Clock Input  
Nonverlapping  
Clock Generator  
φ1  
φ2  
8
6
FILTER IN  
AGND  
Butterworth  
Fourth-Order  
Low-Pass Filter  
5
FILTER  
OUT  
10 kΩ  
V
CC–  
0.1 µF  
4
–5 V  
Figure 8. DC Offset Adjustment  
11  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
11-Mar-2008  
TAPE AND REEL INFORMATION  
*All dimensions are nominal  
Device  
Package Package Pins  
Type Drawing  
SPQ  
Reel  
Reel  
A0 (mm)  
B0 (mm)  
K0 (mm)  
P1  
W
Pin1  
Diameter Width  
(mm) W1 (mm)  
(mm) (mm) Quadrant  
TLC04IDR  
TLC14CDR  
SOIC  
SOIC  
D
D
8
8
2500  
2500  
330.0  
330.0  
12.4  
12.4  
6.4  
6.4  
5.2  
5.2  
2.1  
2.1  
8.0  
8.0  
12.0  
12.0  
Q1  
Q1  
Pack Materials-Page 1  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
11-Mar-2008  
*All dimensions are nominal  
Device  
Package Type Package Drawing Pins  
SPQ  
Length (mm) Width (mm) Height (mm)  
TLC04IDR  
TLC14CDR  
SOIC  
SOIC  
D
D
8
8
2500  
2500  
346.0  
346.0  
346.0  
346.0  
29.0  
29.0  
Pack Materials-Page 2  
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