Typical values at T
參數(shù)資料
型號: AFE7222IRGCT
廠商: Texas Instruments
文件頁數(shù): 11/106頁
文件大?。?/td> 0K
描述: IC AFE 12BIT 65/130MSPS 64VQFN
標準包裝: 1
位數(shù): 12
通道數(shù): 4
功率(瓦特): 610mW
電壓 - 電源,模擬: 2.85 V ~ 3.6 V
電壓 - 電源,數(shù)字: 1.7 V ~ 1.9 V
封裝/外殼: 64-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 64-VQFN 裸露焊盤(9x9)
包裝: 標準包裝
其它名稱: 296-30113-6
SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
3.6
RX ADC ELECTRICAL CHARACTERISTICS
Typical values at TA = 25°C, full temperature range is TMIN = –40°C to TMAX = 85°C, supplies at nominal voltages, 50% clock
duty cycle, LVDS output interface, –1dBFS differential input, unless otherwise noted.
AFE7222
AFE7225
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
Maximum Clock Rate
65
125 MSPS
Resolution
12
bits
ANALOG INPUTS
Differential input range
2
Vpp
VCM
Common mode output voltage
0.95
V
Input resistance (DC)
Differential
>1
M
Ω
Input capacitance
Differential
4
pF
Analog input bandwidth
550
MHz
CMRR Common mode rejection ratio
Fin = 10MHz
40
dB
DYNAMIC ACCURACY
No Missing Codes,
DNL
Differential linearity error
–0.95
±0.5
1.4
–0.95
±0.5
1.4
LSB
Fin =10MHz
INL
Integral linearity error
Fin = 10MHz
–1.7
±0.2
1.7
–1.7
±0.2
1.7
LSB
Offset error
–15
2
15
–15
3
15
mV
Offset temperature co-efficient
>0.005
mV/°C
Gain error as a result of internal reference
–2.5
2.5
–2.5
2.5
%FS
inaccuracy alone – EGREF
Gain error of channel alone – EGCHAN
±1
%FS
DYNAMIC AC CHARACTERISTICS
Fin = 10MHz
67.5
70.5
67
70.7
dBFS
SNR
Signal-to-noise ratio(1)
Fin = 70MHz
70
70.1
dBFS
Fin = 140MHz
68.7
69.5
dBFS
Fin = 10MHz
73
85
73
84
dBc
SFDR
Spurious free dynamic range(1)
Fin = 70MHz
81
79
dBc
Fin = 140MHz
77
76
dBc
(1)
Up to 65MSPS typical SNR and SFDR performance in CMOS interface is same as with LVDS interface.
12
ELECTRICAL SPECIFICATIONS
Copyright 2011–2012, Texas Instruments Incorporated
Product Folder Link(s): AFE7222 AFE7225
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