參數(shù)資料
型號: TLC320AD58C
廠商: Texas Instruments, Inc.
英文描述: Sigma-Delta Stereo Analog-to-Digital Converter
中文描述: Σ-Δ立體聲模擬數(shù)字轉換器
文件頁數(shù): 16/27頁
文件大?。?/td> 178K
代理商: TLC320AD58C
3–2
3.3
Electrical Characteristics
Digital Interface, T
A
= 25
°
C, AV
DD
= DV
DD
= 5 V
PARAMETER
3.3.1
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIH
VIL
VOH
VOL
IIH
IIL
Ci
Co
High-level input voltage
2
4.6
V
Low-level input voltage
0.2
0.8
V
High-level output voltage at DOUT
IOH = 2 mA
IOL = 2 mA
2.4
4.6
V
Low-level output voltage at DOUT
0.2
0.4
V
μ
A
μ
A
pF
High-level input current, any digital input
1
Low-level input current, any digital input
1
Input capacitance
5
Output capacitance
5
pF
3.3.2
Analog Interface
3.3.2.1
CMODE = 0, MODE(0–2) = 000
ADC Modulator, T
A
= 25
°
C, AV
DD
= DV
DD
= 5 V, f
s
= 48 kHz, Bandwidth = 24 kHz,
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Resolution
18
Bits
DYNAMIC PERFORMANCE
ANSI A-weighting filter
Signal to noise (EIAJ)
INLP = INRP = 2.5 V dc
INLM = INRM = 2.5 V dc
96
100
dB
Dynamic range
–1 dB down from
6-V differential input
6-V differential in ut
90
95
dB
Signal to noise + distortion (THD + N)
88
93
dB
Total harmonic distortion (THD)
0.0015%
Interchannel isolation
120
dB
DC ACCURACY
Absolute gain error
±
0.6
±
0.2
120
±
5
±
0.17
dB
Interchannel gain mismatch
dB
Offset error (18-bit resolution)
mV
Offset drift
LSB/
°
C
3.3.2.2
Inputs/Supplies, T
A
= 25
°
C, AV
DD
= DV
DD
= 5 V, f
s
= 48 kHz, Bandwidth = 24 kHz
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ANALOG INPUT
Input voltage range
(differential)
6.2
V
(0 to peak)
3.1
Input impedance
200
k
POWER SUPPLIES
IDD (analog), normal mode
IDD (digital), normal mode
IDD (analog), power down
IDD (digital), power down
24
32
mA
Power supply current
Power-supply current
26
32
mA
μ
A
μ
A
mW
250
150
Power dissipation
250
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