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PCM2706 参数 Datasheet PDF下载

PCM2706图片预览
型号: PCM2706
PDF下载: 下载PDF文件 查看货源
内容描述: 立体声音频, USB接口,单端耳机输出和S / PDF输出DAC [STEREO AUDIO DAC WITH USB INTERFACE, SINGLE-ENDED HEADPHONE OUTPUT AND S/PDF OUTPUT]
分类和应用: 光电二极管输出元件
文件页数/大小: 33 页 / 326 K
品牌: TI [ TEXAS INSTRUMENTS ]
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ꢉꢇ  
www.ti.com  
SLES081A − JUNE 2003 – REVISED MAY 2004  
ELECTRICAL CHARACTERISTICS (CONTINUED)  
all specifications at T = 25°C, V  
= 5 V, f = 44.1 kHz, f = 1 kHz,16-bit data, unless otherwise noted  
S IN  
A
BUS  
PCM2704DB, PCM2705DB,  
PCM2706PJT, PCM2707PJT  
PARAMETER  
TEST CONDITIONS  
UNIT  
MIN  
TYP  
MAX  
ANALOG OUTPUT  
Output voltage  
0.55 V  
, 0.55 V  
Vp-p  
V
CCL  
CCR  
Center voltage  
0.5 V  
CCP  
Line  
Headphone  
AC coupling  
10  
16  
kΩ  
Load impedance  
AC coupling  
–3 dB  
32  
140  
kHz  
dB  
LPF frequency  
response  
f = 20 kHz  
–0.1  
DIGITAL FILTER PERFORMANCE  
Pass band  
0.454 f  
Hz  
Hz  
dB  
dB  
s
s
Stop band  
0.546 f  
s
Pass-band ripple  
±0.04  
Stop-band attenuation  
Delay time  
–50  
20/f  
s
POWER SUPPLY REQUIREMENTS  
V
V
Bus-powered  
Self-powered  
DAC operation  
4.35  
3
5
3.3  
23  
5.25  
3.6  
BUS  
, V  
Voltage range  
VDC  
, V  
, V  
CCP CCL CCR DD  
Line  
30  
mA  
µA  
Headphone  
Line/headphone  
Line  
DAC operation (R = 32 )  
35  
46  
Supply current  
L
(1)  
Suspend mode  
150  
76  
190  
108  
166  
684  
158  
242  
998  
DAC operation  
mW  
µW  
Power dissipation  
(self-powered)  
Headphone  
Line/headphone  
Line  
DAC operation (R = 32 )  
116  
495  
115  
175  
750  
L
(1)  
Suspend mode  
DAC operation  
mW  
µW  
Power dissipation  
(bus-powered)  
Headphone  
Line/headphone  
DAC operation (R = 32 )  
L
(1)  
Suspend mode  
Internal power  
V
, V  
, V  
, V  
Bus-powered  
3.2  
3.35  
3.5  
VDC  
CCP CCL CCR DD  
(2)  
supply voltage  
TEMPERATURE RANGE  
Operating temperature  
–25  
85  
°C  
28-pin SSOP (PCM2704/5)  
32-pin TQFP (PCM2706/7)  
100  
80  
θ
Thermal resistance  
Under USB suspend state.  
°C/W  
JA  
(1)  
(2)  
V
, V . These pins work as output pins of internal power supply for bus-powered operation.  
, V  
, V  
DD CCP CCL CCR  
4
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