參數(shù)資料
型號: tlc320ad56c
廠商: Texas Instruments, Inc.
英文描述: Sigma-Delta Analog Interface Circuit(Sigma-Delta 模擬接口電路)
中文描述: sigma - delta模擬接口電路(Σ-Δ模擬接口電路)
文件頁數(shù): 30/38頁
文件大小: 253K
代理商: TLC320AD56C
4–7
4.3.10
Power-Supply Rejection (see Note 10)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD1
Supply-voltage rejection ratio, ADC channel,
DVDD
Supply-voltage rejection ratio, DAC channel,
DVDD
Supply-voltage rejection ratio, ADC channel,
AVDD
fi = 0 to 30 kHz
55
dB
VDD2
fi = 0 to 30 kHz
55
dB
VDD3
fi = 0 to 30 kHz
50
dB
VDD4
Supply-voltage rejection ratio, DAC channel,
Supply voltage rejection ratio, DAC channel,
AVDD
Single ended,
fi = 0 to 30 kHz
Differential,
fi = 0 to 30 kHz
50
dB
55
dB
All typical values are at 25
°
C.
NOTE 10: Power supply rejection measurements are made with both the ADC and the DAC channels idle and a 200-mV
peak-to-peak signal applied to the appropriate supply.
4.3.11
Timing Requirements (see Figure 3–1)
PARAMETER
Delay time, SCLK
to FS
Delay time, SCLK
to DOUT valid
DIN setup time before SCLK low
TEST CONDITIONS
MIN
TYP
MAX
UNIT
td1
td2
tsu
th
ten
tdis
td3
twH
twL
CL = 20 pF
20 F
20 F
20 F
0
20
20
DIN hold time after SCLK high
Enable time, FS
to DOUT valid
Disable time, FS
to DOUT Hi-Z
Delay time, MCLK
to SCLK
20
25
ns
20
50
Pulse duration, MCLK high
32
Pulse duration, MCLK low
20
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