參數(shù)資料
型號(hào): TLC320AD52C
廠商: Texas Instruments, Inc.
英文描述: Sigma-Delta Analog Interface Circuits With Master-Slave Function(帶主從功能的∑△模擬接口電路,高分辨率信號(hào)轉(zhuǎn)換)
中文描述: sigma - delta模擬接口電路的主從功能(帶主從功能的Σ△模擬接口電路,高分辨率信號(hào)轉(zhuǎn)換)
文件頁(yè)數(shù): 39/59頁(yè)
文件大小: 306K
代理商: TLC320AD52C
4–3
4.3.4
4.3.4.1
ADC Dynamic Performance, MCLK = 8.192 MHz, f
s
= 8 kHz
ADC Signal-to-Noise (see Note 4)
PARAMETER
TEST CONDITIONS
TLC320AD50C/52C
TLC320AD50I
UNIT
MIN
85
TYP
89
MAX
MIN
83
TYP
87
MAX
VI = –1 dB (5.35 V)
VI = –9 dB (2.13 V)
VI = –40 dB (60 mV)
VI = –65 dB (3 mV)
VAUX = –9 dB
77
81
75
79
Signal-to-noise ratio (SNR)
46
50
44
48
dB
21
77
25
81
19
75
23
79
NOTE 4: The test condition is a 1020-Hz input signal with an 8-kHz conversion rate. Input and output are referenced
to AVDD/2.
4.3.4.2
ADC Signal-to-Distortion (see Note 4)
PARAMETER
TEST CONDITIONS
TLC320AD50C/52C
MIN
TYP
80
TLC320AD50I
MIN
TYP
79
UNIT
MAX
MAX
VI = –3 dB (4.25 V)
VI = –9 dB (2.13 V)
VI = –40 dB (60 mV)
VI = –65 dB (3 mV)
VAUX = –9 dB
85
84
Signal t t t l h
distortion (THD)
i
79
90
78
89
67
72
66
71
dB
43
79
48
90
42
78
47
89
NOTE 4. 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 4)
PARAMETER
TEST CONDITIONS
TLC320AD50C/52C
MIN
TYP
78
TLC320AD50I
MIN
TYP
76
UNIT
MAX
MAX
VI = –3 dB (4.25 V)
VI = –9 dB (2.13 V)
VI = –40 dB (60 mV)
VI = –65 dB (3 mV)
VAUX = –9 dB
82
80
Signal t t t l h
distortion + noise (THD + N)
i
76
80
74
78
45
49
43
47
dB
20
76
24
80
19
74
22
78
NOTE 4. 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
6
V
Dynamic range
VI = –1 dB (5.35 V)
88
dB
Interchannel isolation
100
±
0.3
dB
EG
EO(ADC)
Gain error
VI = –1 dB at 1020 Hz
dB
ADC converter offset error
5
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
TA = 25
°
C
75
μ
V rms
k
Rj
Input resistance
35
Channel delay
17/fs
s
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