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参数资料
| 型号： | TC94A14FB |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封装： | 12 X 12 MM, 0.65 MM PITCH, PLASTIC, QFP-64 |
| 文件页数： | 5/17页 |
| 文件大小： | 205K |
| 代理商： | TC94A14FB |
TC94A14F/FA/FB
2002-11-18
13
7.
Data Slicer Circuit
(1)
Comparator
Characteristics
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Input amplitude
VREF reference
0.6
1.2
2.0
Vpp
(2)
R-2R DAC (digital slicer DAC)
Characteristics
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Output conversion range
AVSS3
AVDD3
V
Output impedance
2.5
k
W
8.
Audio DAC Characteristics
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
THD
+ N (1)
1 kHz sine wave, full-scale input
-88
-80
Total harmonic distortion
+ noise
THD
+ N (2)
1
10 kHz sine wave, full-scale input
-80
-75
dB
S/N (1)
Internal Zero detect
= OFF
87
92
S/N ratio
S/N (2)
1
Internal Zero detect
= ON
95
100
dB
Dynamic range
DR
1
1 kHz sine wave,
-60dB input conversion
85
90
dB
Cross talk
CT
1
1 kHz sine wave, full-scale input
-90
-85
dB
Analog output amplitude
DAC out
1
1 kHz sine wave, full-scale input
790
820
850
mVrms
Test Circuit 1: Application circuit is used.
Application Circuit
LPF: Filter with built-in Shibasoku 725D
Distortion meter: Shibasoku 725D equivalent
TC94A14F/FA/FB
application circuit
20 kHz
ideal LPF
Distortion
meter
Lout
Rout
A-weight: IEC-A equivalent
Characteristic
Distortion Filter Setting
A-weight
THD
+ N, CT
OFF
S/N, DR
ON
DVDD3
RO
DVSS3
DVR
3.3
mF
270
W
LO
XO
XI
3.3 V
16.9344 MHz
DVSS3
10
k
9
3.3 V
22
mF
2200
pF
3.3
mF
270
W
10
k
9
2200
pF
R-ch analog output
L-ch analog output
1
M
9
TC94A14F/FA/FB
XVDD3
XVSS3
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