TA = TMIN
參數(shù)資料
型號(hào)： EVAL-AD7265EDZ
廠商： Analog Devices Inc
文件頁數(shù)： 24/29頁
文件大小： 0K
描述： BOARD EVAL FOR AD7265 A/D CONV
標(biāo)準(zhǔn)包裝： 1
ADC 的數(shù)量： 2
位數(shù)： 12
采樣率（每秒）： 1M
數(shù)據(jù)接口： SPI?、QSPI?、MICROWIRE? 和 DSP
輸入范圍： 0 ~ 5 V
在以下條件下的電源（標(biāo)準(zhǔn)）： 7mW @ 3V，17mW @ 5V
工作溫度： -40°C ~ 125°C
已用 IC / 零件： AD7265
已供物品： 板
AD7265
Rev. A | Page 3 of 28
SPECIFICATIONS
TA = TMIN to TMAX, VDD = 2.7 V to 5.25 V, fSCLK = 16 MHz, fS = 1 MSPS, VDRIVE = 2.7 V to 5.25 V; specifications apply using internal
reference or external reference = 2.5 V ± 1%, unless otherwise noted.1
Table 1.
Parameter
Specification
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE
Signal-to-Noise Ratio (SNR)2
71
dB min
fIN = 50 kHz sine wave; differential mode
69
dB min
fIN = 50 kHz sine wave; single-ended and
pseudo differential modes
Signal-to-Noise + Distortion Ratio (SINAD)2
70
dB min
fIN = 50 kHz sine wave; differential mode
68
dB min
fIN = 50 kHz sine wave; single-ended and
pseudo differential modes
Total Harmonic Distortion (THD)2
–77
dB max
fIN = 50 kHz sine wave; differential mode
–73
dB max
fIN = 50 kHz sine wave; single-ended and
pseudo differential modes
Spurious-Free Dynamic Range (SFDR)2
–75
dB max
fIN = 50 kHz sine wave
Intermodulation Distortion (IMD)2
fa = 30 kHz, fb = 50 kHz
Second-Order Terms
–88
dB typ
Third-Order Terms
–88
dB typ
Channel-to-Channel Isolation
–88
dB typ
SAMPLE AND HOLD
Aperture Delay3
11
ns max
Aperture Jitter3
50
ps typ
Aperture Delay Matching3
200
ps max
Full Power Bandwidth
33/26
MHz typ
@ 3 dB, VDD = 5 V/VDD = 3 V
3.5/3
MHz typ
@ 0.1 dB, VDD = 5 V/VDD = 3 V
DC ACCURACY
Resolution
12
Bits
Integral Nonlinearity2
±1
LSB max
±0.5 LSB typ; differential mode
±1.5
LSB max
±0.5 LSB typ; single-ended and pseudo
differential modes
Differential Nonlinearity2,4
±0.99
LSB max
Differential mode
0.99/+1.5
LSB max
Single-ended and pseudo differential modes
Straight Binary Output Coding
Offset Error
±6
LSB max
Offset Error Match
±2
LSB typ
Gain Error
±2.5
LSB max
Gain Error Match
±0.5
LSB typ
Twos Complement Output Coding
Positive Gain Error
±2
LSB max
Positive Gain Error Match
±0.5
LSB typ
Zero Code Error
±5
LSB max
Zero Code Error Match
±1
LSB typ
Negative Gain Error
±2
LSB max
Negative Gain Error Match
±0.5
LSB typ
ANALOG INPUT
T
Single-Ended Input Range
0 V to VREF
V
RANGE pin low
0 V to 2 × VREF
RANGE pin high
Pseudo Differential Input Range: VIN+ VIN6
0 to VREF
V
RANGE pin low
2 × VREF
V
RANGE pin high
Fully Differential Input Range: VIN+ and VIN
VCM ± VREF/2
V
VCM = common-mode voltage7 = VREF/2
VIN+ and VIN
VCM ± VREF
V
VCM = VREF
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