參數(shù)資料
型號(hào)： ADS2807
英文描述： Dual, 12-Bit, 50MHz Sampling ANALOG-TO-DIGITAL CONVERTER
中文描述： 雙通道，12位，50MHz的采樣模擬數(shù)字轉(zhuǎn)換器
文件頁數(shù)： 3/19頁
文件大?。?/td> 377K
代理商： ADS2807
ADS2807
SBAS169B
3
www.ti.com
ELECTRICAL CHARACTERISTICS
(Cont.)
At T
A
= full specified temperature range, V
S
= +5V, differential input range = 2V to 3V for each input, sampling rate = 50MHz, unless otherwise noted.
ADS2807Y
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DYNAMIC CHARACTERISTICS (Cont.)
Signal-to-(Noise + Distortion) (SINAD)
(4)
f = 1MHz (
–
1dBFS input)
f = 10MHz (
–
1dBFS input)
f = 20MHz (
–
1dBFS input)
f = 1MHz (
–
1dBFS input)
f = 10MHz (
–
1dBFS Input)
Channel-to-Channel Crosstalk
Output Noise
Aperture Delay Time
Aperture Jitter
Overvoltage Recovery Time
65
64
64
68
68
85
0.2
2
1.2
2
dBFS
dBFS
dBFS
dBFS
dBFS
dBFS
LSBs rms
ns
ps rms
ns
57
3Vp-p
3Vp-p
2Vp-p
Input Grounded
DIGITAL INPUTS
Logic Family
Convert Command
High Level Input Current
(5)
(V
= 5V)
Low Level Input Current (V
IN
= 0V)
High Level Input Voltage
Low Level Input Voltage
Input Capacitance
+3V/+5V CMOS Compatible
Rising Edge of Convert Clock
Start Conversion
+50
+10
μ
A
μ
A
V
V
pF
+2.4
+1.0
5
DIGITAL OUTPUTS
Logic Family
Logic Coding
Low Output Voltage (I
OL
= 50
μ
A)
Low Output Voltage, (I
OL
= 1.6mA)
High Output Voltage, (I
OH
= 50
μ
A)
High Output Voltage, (I
OH
= 0.5mA)
Low Output Voltage, (I
OL
= 50
μ
A)
High Output Voltage, (I
OH
= 50
μ
A)
3-State Enable Time
3-State Disable Time
Output Capacitance
CMOS
Straight Offset Binary
VDRV = 5V
VDRV = 5V
VDRV = 5V
VDRV = 5V
VDRV = 3V
VDRV = 3V
OE = L
(5)
OE = H
(5)
+0.1
+0.2
V
V
V
V
V
V
ns
ns
pF
+4.9
+4.8
+0.4
+2.4
20
2
5
40
10
ACCURACY (Internal Reference, 2Vp-p,
Unless Otherwise Noted)
Zero Error (Midscale)
Zero Error Drift (Midscale)
Gain Error
(6)
Gain Error Drift
(6)
Gain Error
(7)
Gain Error Drift
(7)
Power-Supply Rejection of Gain
REFT Tolerance
2V Full-Scale
3V Full-Scale
REFB Tolerance
2V Full-Scale
3V Full-Scale
External REFT Voltage Range
External REFB Voltage Range
Reference Input Resistance
at 25
°
C
±
1.0
16
±
1.5
66
±
1.0
23
70
%FS
ppm/
°
C
%FS
ppm/
°
C
%FS
ppm/
°
C
dB
at 25
°
C
at 25
°
C
V
S
=
±
5%
Deviation From Ideal 3.0V
Deviation From Ideal 3.25V
±
10
±
20
±
65
mV
mV
Deviation From Ideal 2.0V
Deviation From Ideal 1.75V
±
10
±
20
3
2
375
±
65
mV
mV
V
V
REFB + 0.4
1.70
V
S
–
1.70
REFT
–
0.4
POWER-SUPPLY REQUIREMENTS
Supply Voltage: +V
S
Supply Current: +I
S
Power Dissipation: VDRV = 5V
Operating
Operating
External Reference
External Reference
Internal Reference
Internal Reference
+4.75
+5.0
134
720
700
740
720
+5.25
V
mA
mW
mW
mW
mW
VDRV = 3V
VDRV = 5V
VDRV = 3V
760
Thermal Resistance,
θ
JA
TQFP-64
21.5
°
C/W
NOTES: (1) Spurious-Free Dynamic Range refers to the magnitude of the largest harmonic. (2) dBFS means dB relative to Full-Scale. (3) 2-tone intermodulation
distortion is referred to the largest fundamental tone. This number will be 6dB higher if it is referred to the magnitude of the 2-tone fundamental envelope.
(4) Effective number of bits (ENOB) is defined by as (SINAD
–
1.76)/6.02. (5) A 50k
pull-down resistor is inserted internally on
OE
pins. (6) Includes internal
reference. (7) Excludes internal reference.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS2807-EVM 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 ADS2807-EVM Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
ADS2807Y 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:12BIT ADC DUAL SMD 2807 HTQFP64
ADS2807Y/1K5 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 50 MSPS Dual Int/Ext Ref RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS2807Y/1K5G4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 50 MSPS Dual Int/Ext Ref RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS2807Y/250 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 50 MSPS Dual Int/Ext Ref RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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