Typical values at T
參數(shù)資料
型號: AFE7222IRGC25
廠商: Texas Instruments
文件頁數(shù): 12/106頁
文件大小: 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: 296-30067-6
SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
3.7
TX DAC ELECTRICAL CHARACTERISTICS
Typical values at TA = 25°C, full temperature range is TMIN = –40°C to TMAX = 85°C, 50% clock duty cycle, supplies at nominal
voltages, IOUTFS = 20 mA, DAC output common mode voltage is AVDD3=3.0V, unless otherwise noted.
AFE7222
AFE7225
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
Maximum clock output rate
130
250
MSPS
Resolution
12
Bits
ANALOG OUTPUTS
Full scale output current, per DAC
2
20
2
20
mA
IOUTFS = 20 mA,
Output voltage compliance range
AVDD3_DAC –0.5
AVDD3_DAC+0.5
AVDD3_DAC –0.5
AVDD3_DAC+0.5
V
Current sink output
Output resistance
300
k
Ω
Output capacitance
5
pF
Offset error
Mid code offset
±0.03
%FS
(1)
Gain error
Internal reference
±1
%FS
(1)
Gain mismatch
Internal reference dual DAC
±0.5
%FS
(1)
DC PERFORMANCE
INL
Integral non-linearity
Fout = 10 MHz
–2
±1
2
–2
±1
2
LSB
DNL
Differential non-linearity
Fout = 10 MHz
±0.5
LSB
AC PERFORMANCE
Noise spectral density
Fout = 10 MHz, 0 dBFS
145.5
149
148.5
151
dBc/Hz
Fout = 10 MHz, 0 dBFS
70
76
70
76
dBc
SFDR
Spurious free dynamic range
Fout = 20 MHz, 0 dBFS
75
74
dBc
Fout = 5.1/6.1 MHz,
IMD
Inter-modulation distortion
73
dBc
–7 dBFS each
DAC clock = 122.88 MSPS,
75
Fout = 30.72 MHz
ACLR
Adjacent channel leakage ratio
dB
DAC clock = 245.76 MSPS,
73
Fout = 61.44 MHz
(1)
%FS = % Differential Full Scale
3.8
AUXILIARY ADC ELECTRICAL CHARACTERISTICS
Typical values at TA = 25°C, full temperature range is TMIN = –40°C to TMAX = 85°C, supplies at nominal voltages, unless
otherwise noted.
PARAMETER
TEST CONDITIONS
AFE7222 / AFE7225
UNIT
MIN
TYP
MAX
Maximum Clock Rate
100
kSPS
Resolution
12
Bits
ANALOG INPUTS
Input voltage range
1.5
V
Input capacitance
4
pF
Maximum input signal frequency
10
kHz
DC PERFORMANCE
INL
Integral non-linearity
Static conditions (near DC input)
–4.5
±2
4.5
LSB
Copyright 2011–2012, Texas Instruments Incorporated
ELECTRICAL SPECIFICATIONS
13
Product Folder Link(s): AFE7222 AFE7225
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