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參數(shù)資料
| 型號： | PCM4108PAPT |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | HIGH-PERFORMANCE, 24-BIT, 216kHz SAMPLING, EIGHT-CHANNEL AUDIO DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 高性能，24位，216kHz的最大采樣，八聲道音頻數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/39頁 |
| 文件大小： | 551K |
| 代理商： | PCM4108PAPT |
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SBAS354 JUNE 2005
www.ti.com
3
ELECTRICAL CHARACTERISTICS
All parameters are specified at TA = +25
°
C with VCC = +5V, VDD = +3.3V, and a measurement bandwidth from 10Hz to 20kHz, unless otherwise
noted. System clock frequency is equal to 256fS for Single and Dual Rate sampling modes, and 128fS for Quad Rate sampling mode.
PCM4108
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RESOLUTION
24
Bits
DATA FORMAT
Audio data formats
Left or Right Justified, I2S, and TDM
Audio data word length
16
24
Bits
Binary data format
Two’s Complement Binary, MSB First
CLOCK RATES AND TIMING
Single rate sampling mode
6.144
36.864
MHz
System clock frequency
fSCKI
Dual rate sampling mode
13.824
36.864
MHz
Quad rate sampling mode
13.824
36.864
MHz
Single rate sampling mode
24
54
kHz
Sampling frequency
fS
Dual rate sampling mode
54
108
kHz
Quad rate sampling mode
108
216
kHz
SPI port data clock
fCCLK
tCCLKH
24
MHz
SPI port data clock high time
15
ns
SPI port data clock low time
tCCLKL
15
ns
DIGITAL INPUT/OUTPUT
Input logic level
VIH
VIL
IIH
IIL
VOH
VOL
2.0
V
0.8
V
Input logic current
VIN = VDD
VIN = 0V
IOH = 2mA
IOH = +2mA
1
10
μ
A
1
10
μ
A
Output logic level
2.4
V
0.4
V
ANALOG OUTPUTS
Full-scale output voltage, differential
RL = 600
6.15
VPP
V
Bipolar zero voltage
2.5
Output impedance
5
Switched capacitor filter frequency response
f = 20kHz, all sampling modes
0.2
dB
Gain error
0.5
% FSR
Gain mismatch, channel-to-channel
0.6
% FSR
Bipolar zero error
1
mV
VCOM1 and VCOM2 output voltage
VCC = +5V
2.5
V
VCOM1 and VCOM2 output current
200
μ
A
P
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