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参数资料
| 型号： | PCM3794RHBTG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 通信及网络 |
| 英文描述： | SPECIALTY TELECOM CIRCUIT, PQCC32 |
| 封装： | 5 X 5 MM, GREEN, PLASTIC, QFN-32 |
| 文件页数： | 34/67页 |
| 文件大小： | 1417K |
| 代理商： | PCM3794RHBTG4 |
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www.ti.com
SLES193C – AUGUST 2006 – REVISED FEBRUARY 2007
ELECTRICAL CHARACTERISTICS (continued)
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
Digital Input to Headphone Output Through DAC (HPOL and HPOR)
RL = 16 or 32 , ALC = OFF, volume = 0 dB, speaker = powered down, analog mixing = disabled, not capless mode
DYNAMIC PERFORMANCE
2.828
Vp-p
Full-scale output voltage
0 dB
1
Vrms
SNR
Signal-to-noise ratio
EIAJ, A-weighted
84
93
dB
30 mW, RL = 32 , volume = 0 dB
0.1%
THD+N
Total harmonic distortion + noise
40 mW, RL = 16 , volume = –1 dB
0.03%
Load resistance
16
200 Hz, 140 mVp-p
–40
PSRR
Power-supply rejection ratio
1 kHz, 140 mVp-p
–45
dB
20 kHz, 140 mVp-p
–32
Line Input to Headphone Output Through Mixing Path (HPOL and HPOR)
RL = 16 or 32 , ALC = OFF, volume = 0 dB, speaker = powered down, analog mixing = enabled, not capless mode
DYNAMIC PERFORMANCE
2.828
Vp-p
Full-scale output voltage
0 dB
1
Vrms
SNR
Signal-to-noise ratio
EIAJ, A-weighted
84
93
dB
Load resistance
16
Digital Input to Speaker Output Through DAC (SPOLP, SPOLN, SPORP, and SPORN): PCM3793
RL = 8 , ALC = OFF, volume = 0 dB, headphone = powered down, analog mixing = disabled
DYNAMIC PERFORMANCE
2.52
Vp-p
Full-scale output voltage
0 dB
0.9
Vrms
SNR
Signal-to-noise ratio
EIAJ, A-weighted
84
93
dB
THD+N
Total harmonic distortion + noise
400 mW, RL = 8, volume = 0 dB
0.3%
Load resistance
8
200 Hz, 140 mVp-p
–50
PSRR
Power-supply rejection ratio
1 kHz, 140 mVp-p
–45
dB
20 kHz, 140 mVp-p
–25
Line Input to Speaker Output Through Mixing Path (SPOLP, SPOLN, SPORP, and SPORN): PCM3793
RL = 8, ALC = OFF, volume = 0 dB, headphone = powered down, analog mixing = enabled
DYNAMIC PERFORMANCE
2.52
Vp-p
Full-scale output voltage
0 dB
0.9
Vrms
SNR
Signal-to-noise ratio
EIAJ, A-Weighted
84
93
dB
4
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