analog inpuT The
參數(shù)資料
型號(hào): LTC2258IUJ-12#PBF
廠商: Linear Technology
文件頁數(shù): 29/34頁
文件大?。?/td> 0K
描述: IC ADC 12BIT 65MSPS 1.8V 40-QFN
產(chǎn)品培訓(xùn)模塊: LTC2262 - Ultra Low Power High Speed ADCs
標(biāo)準(zhǔn)包裝: 61
位數(shù): 12
采樣率(每秒): 65M
數(shù)據(jù)接口: 并聯(lián),串行,SPI
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 89mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 40-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 40-QFN(6x6)
包裝: 管件
輸入數(shù)目和類型: 1 個(gè)差分
配用: DC718C-ND - DEMO QUIKEVAL-II DATA
LTC2258-12
LTC2257-12/LTC2256-12
4
225812fd
For more information www.linear.com/LTC2258-12
analog inpuT The
l
denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (AIN+ – AIN–)
1.7V < VDD < 1.9V
l
1 to 2
VP-P
VIN(CM)
Analog Input Common Mode (AIN+ + AIN–)/2 Differential Analog Input (Note 8) l VCM – 100mV
VCM
VCM + 100mV
V
VSENSE
External Voltage Reference Applied to SENSE External Reference Mode
l
0.625
1.250
1.300
V
IINCM
Analog Input Common Mode Current
Per Pin, 65Msps
Per Pin, 40Msps
Per Pin, 25Msps
81
50
31
A
IIN1
Analog Input Leakage Current
0 < AIN+, AIN– < VDD, No Encode
l
–1
1
A
IIN2
PAR/SER Input Leakage Current
0 < PAR/SER < VDD
l
–3
3
A
IIN3
SENSE Input Leakage Current
0.625V < SENSE < 1.3V
l
–6
6
A
tAP
Sample-and-Hold Acquisition Delay Time
0
ns
tJITTER
Sample-and-Hold Acquisition Delay Jitter
0.17
psRMS
CMRR
Analog Input Common Mode Rejection Ratio
80
dB
BW-3B
Full-Power Bandwidth
Figure 6 Test Circuit
800
MHz
DynaMic accuracy The
l
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. AIN = –1dBFS. (Note 5)
SYMBOL PARAMETER
CONDITIONS
LTC2258-12
LTC2257-12
LTC2256-12
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
SNR
Signal-to-Noise Ratio
5MHz Input
30MHz
70MHz Input
140MHz Input
l
69
71.1
71
70.9
70.7
69.6
70.8
70.7
70.6
70.4
69
70.5
70.1
69.9
dB
SFDR
Spurious Free Dynamic Range
2nd or 3rd Harmonic
5MHz Input
30MHz
70MHz Input
140MHz Input
l
78
90
84
79
90
84
79
90
84
dB
Spurious Free Dynamic Range
4th Harmonic or Higher
5MHz Input
30MHz
70MHz Input
140MHz Input
l
83
90
83
90
83
90
84
dB
S/(N+D)
Signal-to-Noise Plus
Distortion Ratio
5MHz Input
30MHz
70MHz Input
140MHz Input
l
69.1
71
70.9
70.3
68.9
70.7
70.6
70.2
68.3
70.5
70.4
70
69.5
dB
DB
dB
inTernal reFerence characTerisTics The
l
denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCM Output Voltage
IOUT = 0
0.5 VDD – 25mV
0.5 VDD
0.5 VDD + 25mV
V
VCM Output Temperature Drift
±25
ppm/°C
VCM Output Resistance
–600A < IOUT < 1mA
4
Ω
VREF Output Voltage
IOUT = 0
1.225
1.250
1.275
V
VREF Output Temperature Drift
±25
ppm/°C
VREF Output Resistance
–400A < IOUT < 1mA
7
Ω
VREF Line Regulation
1.7V < VDD < 1.9V
0.6
mV/V
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