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參數資料
型號： TLV2545IDRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
封裝： GREEN, PLASTIC, MS-012AA, SOIC-8
文件頁數： 3/27頁
文件大小： 553K
代理商： TLV2545IDRG4
TLV2541, TLV2542, TLV2545
2.7-V TO 5.5-V, LOW-POWER, 12-BIT, 140/200 KSPS,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTOPOWER DOWN
SLAS245D –MARCH 2000 – REVISED MAY 2003
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
ac specifications (fi = 20 kHz)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SINAD
Signal to noise ratio +distortion
200 KSPS, VDD = VREF = 5.5 V
70
72
dB
SINAD
Signal-to-noise ratio +distortion
150 KSPS, VDD = VREF = 2.7 V
68
71
dB
THD
Total harmonic distortion
200 KSPS, VDD = VREF = 5.5 V
–84
–80
dB
THD
Total harmonic distortion
150 KSPS, VDD = VREF = 2.7 V
–84
–80
dB
ENOB
Effective number of bits
200 KSPS, VDD = VREF = 5.5 V
11.8
Bits
ENOB
Effective number of bits
150 KSPS, VDD = VREF = 2.7 V
11.6
Bits
SFDR
Spurious free dynamic range
200 KSPS, VDD = VREF = 5.5 V
–84
–80
dB
SFDR
Spurious free dynamic range
150 KSPS, VDD = VREF = 2.7 V
–84
–80
dB
Analog Input
Full-power bandwidth, –3 dB
1
MHz
Full-power bandwidth, –1 dB
500
kHz
external reference specifications
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Reference input voltage
VDD = 2.7 V to 5.5 V
2
VDD
V
V5 5 V
CS = 1,
SCLK = 0
100
M
Reference input impedance
VDD = 5.5 V
CS = 0,
SCLK = 20 MHz
20
25
k
Reference input impedance
V2 7 V
CS = 1,
SCLK = 0
100
M
VDD = 2.7 V
CS = 0,
SCLK = 20 MHz
20
25
k
Reference current
VDD = VREF = 5.5 V,
CS = 0,
SCLK = 20 MHz
100
400
A
Reference current
VDD = VREF = 2.7 V,
CS = 0,
SCLK = 20 MHz
50
200
A
VV
5 5 V
CS = 1,
SCLK = 0
5
15
Reference input capacitance
VDD = VREF = 5.5 V
CS = 0,
SCLK = 20 MHz
20
45
50
pF
Reference input capacitance
VDD =VREF =2 7V
CS = 1,
SCLK = 0
5
15
pF
VDD = VREF = 2.7 V
CS = 0,
SCLK = 20 MHz
20
45
50
VREF
Reference voltage
VDD = 2.7 V to 5.5 V
VDD
V
dc specification, VDD = VREF = 2.7 V to 5.5 V, SCLK frequency = 20 MHz at 5 V, 15 MHz at 3 V (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INL
Integral linearity error (see Note 4)
±0.6
±1
LSB
DNL
Differential linearity error
See Note 3
±0.5
±1
LSB
E
Offset error (see Note 5)
See Note 3
TLV2541/42
±1.5
LSB
EO
Offset error (see Note 5)
See Note 3
TLV2545
±2.5
LSB
E
Gain error (see Note 5)
See Note 3
TLV2541/42
±2
LSB
EG
Gain error (see Note 5)
See Note 3
TLV2545
±5
LSB
E
Total unadjusted error (see Note 6)
See Note 3
TLV2541/42
±2
LSB
Et
Total unadjusted error (see Note 6)
See Note 3
TLV2545
±5
LSB
NOTES:
3. Analog input voltages greater than that applied to VREF convert as all ones (111111111111).
4. Linear error is the maximum deviation from the best straight line through the A/D transfer characteristics.
5. Zero error is the difference between 000000000000 and the converted output for zero input voltage: full-scale error is the difference
between 111111111111 and the converted output for full-scale input voltage.
6. Total unadjusted error comprises linearity, zero, and full-scale errors.
相關PDF資料
PDF描述
TLV2548CDWR 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
TLV2548CPW 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
TLV2548IDWR 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
TLV2548CPWR 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
TLV2548CPWRG4 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
相關代理商/技術參數
參數描述
TLV2548CDW 功能描述:模數轉換器 - ADC 12bit 200KSPS SAR RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
TLV2548CDWG4 功能描述:模數轉換器 - ADC 12-Bit 200 kSPS Serial Out RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
TLV2548CDWR 功能描述:模數轉換器 - ADC 12-Bit 200 kSPS Serial Out RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
TLV2548CDWRG4 功能描述:模數轉換器 - ADC 12-Bit 200 kSPS Serial Out RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
TLV2548CPW 功能描述:模數轉換器 - ADC 12bit 200kSPS ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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