AVDD = DVDD = 2.5 V; OVDD = 2.3 V to 3.6 V; VREF
參數(shù)資料
型號: AD7622BSTZRL
廠商: Analog Devices Inc
文件頁數(shù): 22/28頁
文件大小: 0K
描述: IC ADC 16BIT DIFFERENTL 48-LQFP
標(biāo)準(zhǔn)包裝: 2,000
系列: PulSAR®
位數(shù): 16
采樣率(每秒): 2M
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): 85mW
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: 帶卷 (TR)
輸入數(shù)目和類型: 1 個(gè)差分,雙極
配用: EVAL-AD7622CBZ-ND - BOARD EVALUATION FOR AD7622
AD7622
Rev. 0 | Page 3 of 28
SPECIFICATIONS
AVDD = DVDD = 2.5 V; OVDD = 2.3 V to 3.6 V; VREF = 2.5 V; all specifications TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
Conditions
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
VIN+ VIN
VREF
+VREF
V
Operating Input Voltage
VIN+, VIN to AGND
0.1
AVDD1
V
Analog Input CMRR
fIN = 100 kHz
58
dB
Input Current
2 MSPS throughput
3.5
μA
Input Impedance2
THROUGHPUT SPEED
Complete Cycle
Wideband warp, warp modes
500
ns
Throughput Rate
Wideband warp, warp modes
0.001
2
MSPS
Time Between Conversions
Wideband warp, warp modes
1
ms
Complete Cycle
Normal mode
667
ns
Throughput Rate
Normal mode
0
1.5
MSPS
DC ACCURACY
Integral Linearity Error3
TMIN to TMAX = 40°C to +85°C
1.5
±0.5
+1.5
LSB4
No Missing Codes
16
Bits
Differential Linearity Error
1
+1.25
LSB
Transition Noise
VREF = 2.5 V
0.5
LSB
Transition Noise
VREF = 2.048 V
0.6
LSB
Zero Error, TMIN to TMAX5
10
+10
LSB
Zero Error Temperature Drift
±0.5
ppm/°C
Gain Error, TMIN to TMAX5
8
+8
LSB
Gain Error Temperature Drift
±0.5
ppm/°C
Power Supply Sensitivity
AVDD = 2.5 V ± 5%
±4
LSB
AC ACCURACY
Dynamic Range
VREF = 2.5 V
91.5
92.5
dB6
Signal-to-Noise
fIN = 20 kHz, VREF = 2.5 V
91
92
dB
fIN = 20 kHz, VREF = 2.048 V
89.5
90.5
dB
fIN = 100 kHz, VREF = 2.5 V
91
dB
Spurious-Free Dynamic Range
fIN = 20 kHz, VREF = 2.5 V
117
dB
fIN = 20 kHz, VREF = 2.048 V
110
dB
fIN = 100 kHz, VREF = 2.5 V
101
dB
Total Harmonic Distortion
fIN = 20 kHz, VREF = 2.5 V
115
dB
fIN = 20 kHz, VREF = 2.048 V
109
dB
fIN = 100 kHz, VREF = 2.5 V
100
dB
Signal-to-(Noise + Distortion)
fIN = 20 kHz, VREF = 2.5 V
91
92
dB
fIN = 20 kHz, VREF = 2.048 V
89.5
90.5
dB
fIN = 100 kHz, VREF = 2.5 V
91
dB
3 dB Input Bandwidth
50
MHz
SAMPLING DYNAMICS
Aperture Delay
1
ns
Aperture Jitter
5
ps rms
Transient Response
Full-scale step
140
ns
INTERNAL REFERENCE
PDREF = PDBUF = low
Output Voltage
REF @ 25°C
2.038
2.048
2.058
V
Temperature Drift
40°C to +85°C
±8
ppm/°C
Line Regulation
AVDD = 2.5 V ± 5%
±15
ppm/V
Turn-On Settling Time
CREF = 10 μF
5
ms
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