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参数资料
| 型号： | TLC32047IFN |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | Wide-Band Analog Interface Circuit |
| 中文描述： | 宽带模拟接口电路 |
| 文件页数： | 36/61页 |
| 文件大小： | 303K |
| 代理商： | TLC32047IFN |
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3–2
3.2
Recommended Operating Conditions
MIN
NOM
MAX
UNIT
Supply voltage, VCC+ (see Note 2)
Supply voltage, VCC– (see Note 2)
Digital supply voltage, VDD (see Note 2)
Digital ground voltage with respect to ANLG GND, DGTL GND
4.75
5
5.25
V
–4.75
–5
–5.25
V
4.75
5
5.25
V
0
V
Reference input voltage, Vref(ext) (see Note 2)
High-level input voltage, VIH
Low-level input voltage, VIL (see Note 3)
Load resistance at OUT+ and/or OUT–, RL
Load capacitance at OUT+ and/or OUT–, CL
MSTR CLK frequency (see Note 4)
2
4
V
2
VDD
0.8
V
0
V
pF
300
100
5
10.368
±
1.5
MHz
Analog input amplifier common mode input voltage (see Note 5)
V
A/D or D/A conversion rate
25
kHz
Operating free air temperature range TA
Operating free-air temperature range, TA
TLC32047C
TLC32047I
0
70
85
°
C
–40
NOTES:
2. Voltages at analog inputs and outputs, REF, VCC+, and VCC– are with respect to ANLG GND. Voltages at
digital inputs and outputs and VDD are with respect to DGTL GND.
3. The algebraic convention, in which the least positive (most negative) value is designated minimum, is used
in this data manual for logic voltage levels only.
4. The band-pass switched-capacitor filter (SCF) specifications apply only when the low-pass section SCF
clock is 432 kHz and the high-pass section SCF clock is 24 kHz. If the low-pass SCF clock is shifted from
432 kHz, the low-pass roll-off frequency shifts by the ratio of the low-pass SCF clock to 432 kHz. If the
high-pass SCF clock is shifted from 24 kHz, the high-pass roll-off frequency shifts by the ratio of the
high-pass SCF clock to 24 kHz. Similarly, the low-pass switched-capacitor filter (SCF) specifications apply
only when the SCF clock is 432 kHz. If the SCF clock is shifted from 432 kHz, the low-pass roll-off frequency
shifts by the ratio of the SCF clock to 432 kHz.
5. This range applies when (IN+ – IN–) or (AUX IN+ – AUX IN–) equals
±
6 V.
3.3
Electrical Characteristics Over Recommended Operating Free-Air
Temperature Range, V
CC+
= 5 V, V
CC–
= –5 V, V
DD
= 5 V (Unless
Otherwise Noted)
3.3.1
Total Device, MSTR CLK Frequency = 5.184 MHz, Outputs Not Loaded
PARAMETER
TEST CONDITIONS
High-level output voltage
VDD = 4.75 V,
Low-level output voltage
VDD = 4.75 V,
Supply current from
TLC32047C
VCC+
TLC32047I
Supply current from
TLC32047C
VCC –
TLC32047I
Supply current from VDD
Internal reference output voltage
Temperature coefficient of
internal reference voltage
MIN
2.4
TYP
MAX
UNIT
V
V
VOH
VOL
IOH = –300
μ
A
IOL = 2 mA
0.4
35
40
–35
–40
ICC+
mA
ICC–
mA
IDD
Vref
7
mA
V
3
3.3
V f
α
Vref
250
ppm/
°
C
ro
Output resistance at REF
All typical values are at TA = 25
°
C.
100
k
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