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參數(shù)資料
| 型號(hào)： | PCM3794RHBR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | SPECIALTY TELECOM CIRCUIT, PQCC32 |
| 封裝： | 5 X 5 MM, GREEN, PLASTIC, QFN-32 |
| 文件頁(yè)數(shù)： | 23/67頁(yè) |
| 文件大?。?/td> | 1417K |
| 代理商： | PCM3794RHBR |
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www.ti.com
ELECTRICAL CHARACTERISTICS
SLES193C – AUGUST 2006 – REVISED FEBRUARY 2007
All specifications at T
A = 25°C, VDD = VIO = VCC = VPA = 3.3 V, fS = 48 kHz, system clock = 256 fS, and 16-bit data (unless
otherwise noted).
PCM3793RHB, PCM3794RHB
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
Audio Data Characteristics
DATA FORMAT
Resolution
16
Bits
Audio data interface format
I2S, left-, right-justified, DSP
Audio data bit length
16
Bits
Audio data format
MSB first, 2s complement
Sampling frequency (fS)
5
50
kHz
VDD < 2 V
27
System clock
MHz
VDD > 2 V
40
Digital Input/Output
Logic family
CMOS compatible
VIH
0.7 VIO
VDC
Input logic level
VIL
0.3 VIO
VDC
IIH
VIN = 3.3 V
10
Input logic current
A
IIL
VIN = 0 V
–10
VOH
IOH = –2 mA
0.75 VIO
VDC
Output logic level
VOL
IOL = 2 mA
0.25 VIO
VDC
Digital Input to Line Output Through DAC (LOL, LOR, and MONO)
RL = 10 k, ALC = OFF, volume = 0 dB, speaker = powered down, analog mixing = disabled
DYNAMIC PERFORMANCE
0 dB
2.828
Vp-p
Full-scale output voltage
1
Vrms
Dynamic range
EIAJ, A-weighted
93
dB
SNR
Signal-to-noise ratio
EIAJ, A-weighted
86
93
dB
Channel separation
91
dB
THD+N
Total harmonic distortion + noise
0 dB
0.008%
Load resistance
10
k
Line Input to Line Output Through Mixing Path (LOL, LOR, and MONO)
RL = 10 k, ALC = OFF, volume = 0 dB, speaker = powered down, analog mixing = enabled
DYNAMIC PERFORMANCE
2.828
Vp-p
Full-scale input and output
0 dB
voltage
1
Vrms
SNR
Signal-to-noise ratio
EIAJ, A-weighted
84
93
dB
3
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