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參數(shù)資料
| 型號： | ADS8406IPFBT |
| 英文描述： | 16-BIT, 1.25 MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICRO POWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE |
| 中文描述： | 16位，1.25 MSPS的，偽雙極，全差分輸入，微功耗采樣模擬到數(shù)字轉(zhuǎn)換并行接口 |
| 文件頁數(shù)： | 3/25頁 |
| 文件大?。?/td> | 536K |
| 代理商： | ADS8406IPFBT |
www.ti.com
SPECIFICATIONS
T
A
= –40
°
C to 85
°
C, +VA = 5 V, +VBD = 3 V or 5 V, V
ref
= 4.096 V, f
SAMPLE
= 1.25 MHz (unless otherwise noted)
ADS8406
SLAS426A–AUGUST 2004–REVISED DECEMBER 2004
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ANALOG INPUT
Full-scale input voltage
(1)
+IN – (–IN)
+IN
–IN
–V
ref
–0.2
–0.2
V
ref
V
V
ref
+ 0.2
V
ref
+ 0.2
Absolute input voltage
V
Input capacitance
Input leakage current
SYSTEM PERFORMANCE
Resolution
25
0.5
pF
nA
16
Bits
ADS8406I
ADS8406IB
ADS8406I
ADS8406IB
ADS8406I
ADS8406IB
ADS8406I
ADS8406IB
ADS8406I
ADS8406IB
15
16
–4
–2
–2
–1
No missing codes
Bits
±
2
±
1
±
1
4
2
2
INL
Integral linearity
(2)(3)
LSB
DNL
Differential linearity
LSB
±
0.5
±
1
±
0.5
1.25
2.5
1.5
0.12
0.098
–2.5
–1.5
–0.12
–0.098
mV
mV
E
O
Offset error
(4)
E
G
Gain error
(4)(5)
%FS
At dc (0.2 V around V
ref
/2)
+IN – (–IN) = 1 V
pp
at 1 MHz
At 7FFFh output code, +VA
= 4.75 V to 5.25 V, V
ref
=
4.096 V
(4)
80
80
CMRR
Common mode rejection ratio
dB
PSRR
DC Power supply rejection ratio
2
LSB
SAMPLING DYNAMICS
Conversion time
Acquisition time
Throughput rate
Aperture delay
Aperture jitter
Step response
Overvoltage recovery
DYNAMIC CHARACTERISTICS
500
150
650
ns
ns
MHz
ns
ps
ns
ns
1.25
2
25
100
100
V
IN
= 8 V
pp
at 100 kHz
V
IN
= 8 V
pp
at 500 kHz
V
IN
= 8 V
pp
at 100 kHz
V
IN
= 8 V
pp
at 100 kHz
V
IN
= 8 V
pp
at 100 kHz
V
IN
= 8 V
pp
at 500 kHz
–95
–90
90
88
95
93
THD
Total harmonic distortion
(6)
dB
SNR
SINAD
Signal-to-noise ratio
Signal-to-noise + distortion
dB
dB
SFDR
Spurious free dynamic range
dB
-3dB Small signal bandwidth
EXTERNAL VOLTAGE REFERENCE INPUT
Reference voltage at REFIN, V
ref
Reference resistance
(7)
5
MHz
2.5
4.096
500
4.2
V
k
(1)
(2)
(3)
(4)
(5)
(6)
(7)
Ideal input span, does not include gain or offset error.
LSB means least significant bit
This is endpoint INL, not best fit.
Measured relative to an ideal full-scale input [+IN – (–IN)] of 8.192 V
This specification does not include the internal reference voltage error and drift.
Calculated on the first nine harmonics of the input frequency
Can vary
±
20%
3
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相關代理商/技術參數(shù) |
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|---|---|
| ADS8406IPFBTG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 1.25 MSPS Pseudo Bipolar RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構:Sigma-Delta 轉(zhuǎn)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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