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参数资料
型号： TLC320AD50CDW
厂商： TEXAS INSTRUMENTS INC
元件分类： 模拟信号调理
英文描述： SPECIALTY ANALOG CIRCUIT, PDSO28
封装： PLASTIC, SO-28
文件页数： 30/56页
文件大小： 555K
代理商： TLC320AD50CDW
4–3
4.3.4.2 ADC Signal-to-Distortion (see Note 5 and Figure 5-11)
PARAMETER
TEST CONDITIONS
TLC320AD50C/52C
TLC320AD50I
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VI = – 3 dB (4.25 V)
80
85
79
84
VI = – 9 dB (2.13 V)
79
90
78
89
Signal-to-total harmonic distortion (THD)
VI = – 40 dB (60 mV)
67
72
66
71
dB
VI = – 65 dB (3 mV)
43
48
42
47
VAUX = – 9 dB
79
90
78
89
NOTE 5. The test condition is a 1020-Hz input signal with an 8-kHz conversion rate. Input and output are referenced to VDD /2.
4.3.4.3 ADC Signal-to-Distortion + Noise (see Note 5 and Figure 5-12)
PARAMETER
TEST CONDITIONS
TLC320AD50C/52C
TLC320AD50I
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VI = – 3 dB (4.25 V)
78
82
76
80
VI = – 9 dB (2.13 V)
76
80
74
78
Signal-to-total harmonic distortion + noise (THD + N)
VI = – 40 dB (60 mV)
45
49
43
47
dB
VI = – 65 dB (3 mV)
20
24
19
22
VAUX = – 9 dB
76
80
74
78
NOTE 5. The test condition is a 1020-Hz input signal with an 8-kHz conversion rate. Input and output are referenced to VDD /2.
4.3.5
ADC Channel Characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI(PP)
Peak-to-peak input voltage
(differential (INP–INM) peak, for full scale operation)
6
V
Dynamic range
VI = – 1 dB (5.35 V)
88
dB
Interchannel isolation
100
dB
EG
Gain error
VI = – 1 dB at 1020 Hz
± 0.3
dB
EO(ADC) ADC converter offset error
5
15
mV
CMRR
Common-mode rejection ratio at INM, INP or AUXM, AUXP
VI = –1 dB at 1020 Hz
74
dB
Idle channel noise (on-chip reference)
VINP, INM = 2.5 V
75
V rms
Ri
Input resistance
TA = 25°C
35
k
Channel delay
17/fs
s
4.3.6
DAC Path Filter, MCLK = 8.192 MHz, fs = 8 kHz (see Note 6, Figures 5-8 and 5-9)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
0 to 300 Hz
– 0.5
0.2
300 Hz to 3 kHz
– 0.25
0.25
Filter gain relative to gain at 1020 Hz
3.3 kHz
– 0.35
0.3
dB
Filter gain relative to gain at 1020 Hz
3.6 kHz
–3
dB
4 kHz
–40
≥ 4.4 kHz
–74
NOTE 6: The filter gain outside of the pass band is measured with respect to the gain at 1020 Hz. The input signal is the digital equivalent of a
sine wave (digital full scale = 0 dB). The nominal differential DAC channel output with this input condition is 6 VI(PP). The pass band
is 0 to 3600 Hz for an 8-kHz sample rate. This pass band scales linearly with the conversion rate.
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相关代理商/技术参数
参数描述
TLC320AD50CDWR 功能描述:接口—CODEC SNGL CH Codec RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel
TLC320AD50C-I 制造商:TI 制造商全称:Texas Instruments 功能描述:SIGMA-DELTA ANALOG INTERFACE CIRCUITS WITH MASTER-SLAVE FUNCTION
TLC320AD50CPT 功能描述:接口—CODEC SNGL CH Codec RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel
TLC320AD50CPTR 功能描述:接口—CODEC SNGL CH Codec RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel
TLC320AD50I 制造商:TI 制造商全称:Texas Instruments 功能描述:SIGMA-DELTA ANALOG INTERFACE CIRCUITS WITH MASTER-SLAVE FUNCTION
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