參數資料
型號: 5962-0720401VXC
廠商: TEXAS INSTRUMENTS INC
元件分類: DAC
英文描述: PARALLEL, WORD INPUT LOADING, 0.012 us SETTLING TIME, 14-BIT DAC, CQFP52
封裝: CERAMIC, QFP-52
文件頁數: 19/23頁
文件大?。?/td> 579K
代理商: 5962-0720401VXC
www.ti.com ..................................................................................................................................................... SGLS387D – JULY 2007 – REVISED OCTOBER 2009
AC Electrical Characteristics (Unchanged after 100 kRad)
over operating free-air temperature range, typical values at 25°C, AVDD = 3.3 V, DVDD = 3.3 V, IO(FS) = 20 mA, differential
transformer-coupled output, 50-
doubly-terminated load (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Analog Output
fCLK
Output update rate
400
MSPS
ts(DAC)
Output setting time to 0.1%
Transition: code x2000 to x23FF
12
ns
tPD
Output propagation delay
1
ns
tr(IOUT)
Output rise time, 10% to 90%
300
ps
tf(IOUT)
Output fall time, 90% to 10%
300
ps
IOUTFS = 20 mA
55
Output noise
pA/
√Hz
IOUTFS = 2 mA
30
AC Linearity
fCLK = 100 MSPS,
fOUT = 19.9 MHz
70
fCLK = 160 MSPS,
fOUT = 41 MHz
72
fCLK = 200 MSPS,
fOUT = 70 MHz
68
THD
Total harmonic distortion
fOUT = 20.0 MHz
60
68
dBc
fOUT = 20.0 MHz, for TMIN
57
fCLK = 400 MSPS
fOUT = 70 MHz
67
fOUT = 140 MHz
55
fCLK = 100 MSPS,
fOUT = 19.9 MHz
70
fCLK = 160 MSPS,
fOUT = 41 MHz
73
fCLK = 200 MSPS,
fOUT = 70 MHz
70
Spurious-free dynamic range
SFDR
fOUT = 20.0 MHz
62
68
dBc
to Nyquist
fOUT = 20.0 MHz, for TMIN
61
fCLK = 400 MSPS
fOUT = 70 MHz
69
fOUT = 140 MHz
56
fCLK = 100 MSPS,
fOUT = 19.9 MHz
82
fCLK = 160 MSPS,
fOUT = 41 MHz
77
fCLK = 200 MSPS,
fOUT = 70 MHz
82
Spurious-free dynamic range
SFDR
dBc
within a window, 5 MHz span
fOUT = 20.0 MHz
82
fCLK = 400 MSPS
fOUT = 70 MHz
82
fOUT = 140 MHz
75
SNR
Signal-to-noise ratio
fCLK = 400 MSPS
fOUT = 20.0 MHz
60
67
dBc
fCLK = 122.88 MSPS, IF = 30.72 MHz, See Figure 11
73
Adjacent channel power ratio
ACPR
WCDM A with 3.84 MHz BW,
fCLK = 245.76 MSPS, IF = 61.44 MHz,
71
dB
5 MHz channel spacing
fCLK = 399.36 MSPS, IF = 153.36 MHz, See Figure 13
65
Two-tone intermodulation
fCLK = 400 MSPS, fOUT1 = 70 MHz, fOUT2 = 71 MHz
73
to Nyquist (each tone at
fCLK = 400 MSPS, fOUT1 = 140 MHz, fOUT2 = 141 MHz
62
–6 dBfs)
IMD
dBc
Four-tone intermodulation,
fCLK = 156 MSPS, fOUT = 15.6, 15.8, 16.2, 16.4 MHz
82
15-MHz span, missing center
fCLK = 400 MSPS, fOUT = 68.1, 69.3, 71.2, 72 MHz
74
tone (each tone at –16 dBfs)
Copyright 2007–2009, Texas Instruments Incorporated
5
Product Folder Link(s): DAC5675A-SP
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