VDD = 2.3 V to 5.5 V, VIO = 2.3 V to VDD, VREF
參數(shù)資料
型號(hào)： AD7685CRMZRL7
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 22/28頁(yè)
文件大?。?/td> 0K
描述： IC ADC 16BIT PSEUDO-DIFF 10MSOP
產(chǎn)品培訓(xùn)模塊： Power Line Monitoring
Motor Control
設(shè)計(jì)資源： Parametric Measurement Unit and Supporting Components for PAD Appls Using AD5522 and AD7685 (CN0104)
Integrated Device Power Supply for PAD with Output Voltage Range 0 V to 25 V (CN0130)
標(biāo)準(zhǔn)包裝： 1,000
系列： PulSAR®
位數(shù)： 16
采樣率（每秒）： 250k
數(shù)據(jù)接口： DSP，MICROWIRE?，QSPI?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 15mW
電壓電源： 模擬和數(shù)字
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 10-TFSOP，10-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： 10-MSOP
包裝： 帶卷 (TR)
輸入數(shù)目和類(lèi)型： 1 個(gè)偽差分，單極
配用： EVAL-AD7685CBZ-ND - BOARD EVAL FOR AD7685
AD7685
Rev. C | Page 3 of 28
SPECIFICATIONS
VDD = 2.3 V to 5.5 V, VIO = 2.3 V to VDD, VREF = VDD, TA = –40°C to +85°C, unless otherwise noted.
Table 2.
A Grade
B Grade
C Grade
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
RESOLUTION
16
Bits
ANALOG INPUT
Voltage Range
IN+ IN
0
VREF
0
VREF
0
VREF
V
Absolute Input Voltage
IN+
0.1
VDD +
0.1
VDD +
0.1
VDD +
0.1
V
IN
0.1
+0.1
0.1
+0.1
0.1
+0.1
V
Analog Input CMRR
fIN = 250 kHz
65
dB
Leakage Current at 25°C
Acquisition phase
1
nA
Input Impedance
See the
See the
See the
ACCURACY
No Missing Codes
15
16
Bits
Differential Linearity Error
1
±0.7
1
±0.5
+1.5
Integral Linearity Error
6
+6
3
±1
+3
2
±0.6
+2
LSB
Transition Noise
REF = VDD = 5 V
0.5
0.45
LSB
Gain Error2, TMIN to TMAX
±2
±30
±2
±30
±2
±15
LSB
Gain Error Temperature Drift
±0.3
ppm/°C
Offset Error2, TMIN to TMAX
VDD = 4.5 V to 5.5 V
±0.1
±1.6
±0.1
±1.6
±0.1
±1.6
mV
VDD = 2.3 V to 4.5 V
±0.7
±3.5
±0.7
±3.5
±0.7
±3.5
mV
Offset Temperature Drift
±0.3
ppm/°C
Power Supply Sensitivity
VDD = 5 V ± 5%
±0.05
LSB
THROUGHPUT
Conversion Rate
VDD = 4.5 V to 5.5 V
0
250
0
250
0
250
kSPS
VDD = 2.3 V to 4.5 V
0
200
0
200
0
200
kSPS
Transient Response
Full-scale step
1.8
μs
AC ACCURACY
Signal-to-Noise Ratio
fIN = 20 kHz,
VREF = 5 V
90
92
91.5
93.5
dB3
fIN = 20 kHz,
VREF = 2.5 V
86
88
87.5
88.5
dB
Spurious-Free Dynamic
Range
fIN = 20 kHz
100
106
110
dB
Total Harmonic Distortion
fIN = 20 kHz
100
106
110
dB
Signal-to-(Noise + Distortion)
fIN = 20 kHz,
VREF = 5 V
89
90
92
91.5
93.5
dB
fIN = 20 kHz,
VREF = 5 V,
60 dB input
32
33.5
dB
fIN = 20 kHz,
VREF = 2.5 V
86
85.5
87.5
87
88.5
dB
Intermodulation Distortion4
110
115
dB
1 LSB means least significant bit. With the 5 V input range, 1 LSB is 76.3 μV.
2 See Terminology section. These specifications do include full temperature range variation but do not include the error contribution from the external reference.
3 All specifications in dB are referred to a full-scale input FS. Tested with an input signal at 0.5 dB below full-scale, unless otherwise specified.
4 fIN1 = 21.4 kHz, fIN2 = 18.9 kHz, each tone at 7 dB below full scale.
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