VDD1 = 5 V; VDD2 = 2.5 V; VIO = 2.5 V; REF = 4.096 V; all specifications T
參數(shù)資料
型號(hào): AD7625BCPZ
廠商: Analog Devices Inc
文件頁數(shù): 18/24頁
文件大?。?/td> 0K
描述: IC ADC 16BIT 6MSPS SAR 32LFCSP
設(shè)計(jì)資源: High Speed, Precision, Differential AC-Coupled Drive Circuit for AD7625 (CN0080)
特色產(chǎn)品: AD7625: 16-Bit, 6MSPS PulSAR Differential ADC
標(biāo)準(zhǔn)包裝: 1
系列: PulSAR®
位數(shù): 16
采樣率(每秒): 6M
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 190mW
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: 32-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 32-LFCSP-VQ(5x5)
包裝: 托盤
輸入數(shù)目和類型: 1 個(gè)差分,雙極
Data Sheet
AD7625
Rev. A | Page 3 of 24
SPECIFICATIONS
VDD1 = 5 V; VDD2 = 2.5 V; VIO = 2.5 V; REF = 4.096 V; all specifications TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
V
IN+ VIN
V
REF
+V
REF
V
Operating Input Voltage
V
IN+, VIN to GND
0.1
V
REF + 0.1
V
Common-Mode Input Range
V
REF/2 0.05
V
REF/2
V
REF/2 + 0.05
V
Common-Mode Rejection Ratio
f
IN = 1 MHz
60
dB
Input Current
Midscale input
77
A
THROUGHPUT
Complete Cycle
166
ns
Throughput Rate
0.1
6
MSPS
DC ACCURACY
Integral Linearity Error
1
±0.45
+1
LSB
No Missing Codes
16
Bits
Differential Linearity Error
0.5
±0.3
+0.5
LSB
Transition Noise
0.6
LSB
Zero Error
T
MIN to TMAX
4
±1.5
+4
LSB
Zero Error Drift
0.5
ppm/°C
Gain Error
T
MIN to TMAX
8
20
LSB
Gain Error Drift
0.4
ppm/°C
Power Supply Sensitivity1
VDD1 = 5 V ± 5%
0.4
LSB
VDD2 = 2.5 V ± 5%
0.2
LSB
AC ACCURACY
External Reference
f
IN = 20 kHz
Dynamic Range
92.5
93.2
dB
Signal-to-Noise Ratio
92
93
dB
Spurious-Free Dynamic Range
106
dB
Total Harmonic Distortion
105.5
dB
Signal-to-(Noise + Distortion)
91.5
92
dB
Internal Reference
f
IN = 20 kHz
Dynamic Range
92.5
93.2
dB
Signal-to-Noise Ratio
91.5
92.9
dB
Spurious-Free Dynamic Range
106
dB
Total Harmonic Distortion
105.5
dB
Signal-to-(Noise + Distortion)
91
92.5
dB
3 dB Input Bandwidth
100
MHz
Aperture Jitter
0.25
ps rms
INTERNAL REFERENCE
Output Voltage
REFIN @ 25°C
1.2
V
Temperature Drift
40°C to +85°C
±15
ppm/°C
REFERENCE BUFFER
REFIN Input Voltage Range
1.2
V
REF Output Voltage Range
4.076
4.096
4.116
V
Line Regulation
VDD1 ± 5%, VDD2 ± 5%
5
mV
EXTERNAL REFERENCE
Voltage Range
REF
4.096
V
VCM PIN
@ 25°C
Output Voltage
REF/2
V
Output Impedance
4
5
6
k
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