參數(shù)資料
型號(hào): AD7667ASTZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 22/28頁(yè)
文件大小: 0K
描述: IC ADC 16BIT UNIPOLAR 48-LQFP
標(biāo)準(zhǔn)包裝: 1
系列: PulSAR®
位數(shù): 16
采樣率(每秒): 1M
數(shù)據(jù)接口: 串行,并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 145mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-LQFP(7x7)
包裝: 托盤
輸入數(shù)目和類型: 2 個(gè)偽差分,單極
產(chǎn)品目錄頁(yè)面: 778 (CN2011-ZH PDF)
配用: EVAL-AD7667CBZ-ND - BOARD EVALUATION FOR AD7667
AD7667
Rev. 0 | Page 3 of 28
SPECIFICATIONS
Table 2. –40°C to +85°C, AVDD = DVDD = 5 V, OVDD = 2.7 V to 5.25 V, unless otherwise noted.
Parameter
Conditions
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
VIN – VINGND
0
VREF
V
Operating Input Voltage
VIN
–0.1
+3
V
VINGND
–0.1
+0.5
V
Analog Input CMRR
fIN = 100 kHz
64
dB
Input Current
1 MSPS Throughput
19
A
Input Impedance1
THROUGHPUT SPEED
Complete Cycle
In Warp Mode
1
s
Throughput Rate
In Warp Mode
1
1000
kSPS
Time between Conversions
In Warp Mode
1
ms
Complete Cycle
In Normal Mode
1.25
s
Throughput Rate
In Normal Mode
0
800
kSPS
Complete Cycle
In Impulse Mode
1.5
s
Throughput Rate
In Impulse Mode
0
666
kSPS
DC ACCURACY
Integral Linearity Error
–2.0
+2.0
LSB2
No Missing Codes
16
Bits
Differential Linearity Error
–1.0
+1.5
LSB
Transition Noise
0.7
LSB
Unipolar Zero Error, TMIN to TMAX3
±25
LSB
Unipolar Zero Error Temperature Drift
±1.0
ppm/°C
Full-Scale Error, TMIN to TMAX3
REF = 2.5 V
±0.08
% of FSR
Full-Scale Error Temperature Drift
±1.0
ppm/°C
Power Supply Sensitivity
AVDD = 5 V ± 5%
±2
LSB
AC ACCURACY
Signal-to-Noise
fIN = 20 kHz
88
89.2
dB4
Spurious Free Dynamic Range
fIN = 20 kHz
96
105
dB
Total Harmonic Distortion
fIN = 20 kHz
–104
–96
dB
Signal-to-(Noise + Distortion)
fIN = 20 kHz
88
89
dB
–60 dB Input, fIN = 20 kHz
30
dB
–3 dB Input Bandwidth
13
MHz
SAMPLING DYNAMICS
Aperture Delay
2
ns
Aperture Jitter
5
ps rms
Transient Response
Full-Scale Step
250
ns
REFERENCE
Internal Reference Voltage
VREF @ 25°C
2.493
2.5
2.507
V
Internal Reference Temperature Drift
–40°C to +85°C
±3
±15
ppm/°C
Output Voltage Hysteresis
–40°C to +85°C
50
ppm
Long-Term Drift
100
ppm/1000 Hours
Line Regulation
AVDD = 5 V ± 5%
±15
ppm/V
Turn-On Settling Time
CREF = 10 F
5
ms
Temperature Pin
Voltage Output @ 25°C
300
mV
Temperature Sensitivity
1
mV/°C
Output Resistance
4
k
External Reference Voltage Range
2.3
2.5
AVDD – 1.85
V
External Reference Current Drain
1 MSPS Throughput
242
A
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