ADS5545_13 Datasheet, PDF (5/59 Pages) Texas Instruments – 14-BIT, 170 MSPS ADC WITH DDR LVDS/CMOS OUTPUTS

ADS5545
www.ti.com
SLWS180C – NOVEMBER 2005 – REVISED MAY 2007
ELECTRICAL CHARACTERISTICS
Typical values are at 25°C, min and max values are across the full temperature range T_MIN = –40°C to T_MAX = 85°C,
AVDD = DRVDD = 3.3 V, sampling rate = 170 MSPS, sine wave input clock, 1.5 V_PP differential clock amplitude, 50% clock
duty cycle, –1 dBFS differential analog input, internal reference mode, 0dB gain, DDR LVDS data output (unless otherwise
noted)
PARAMETER
AC CHARACTERISTICS
SNR Signal to noise ratio
RMS output noise
SFDR Spurious free dynamic range
SINAD Signal to noise and distortion ratio
HD2 Second harmonic
HD3 Third harmonic
TEST CONDITIONS
F_IN = 10 MHz
F_IN = 70 MHz
F_IN = 100 MHz
F_IN = 150 MHz
F_IN = 225 MHz
0 dB gain, 2 V_PP FS⁽¹⁾
3 dB gain, 1.4 V_PP FS
F_IN = 300 MHz
0 dB gain, 2 V_PP FS
3 dB gain, 1.4 V_PP FS
Inputs tied to common-mode
F_IN = 10 MHz
F_IN = 70 MHz
F_IN = 100 MHz
F_IN = 150 MHz
F_IN = 225 MHz
F_IN = 300 MHz
F_IN = 10 MHz
F_IN = 70 MHz
F_IN = 100 MHz
F_IN = 150 MHz
F_IN = 225 MHz
F_IN = 300 MHz
F_IN = 10 MHz
F_IN = 70 MHz
F_IN = 100 MHz
F_IN = 150 MHz
F_IN = 225 MHz
F_IN = 300 MHz
F_IN = 10 MHz
F_IN = 70 MHz
F_IN = 100 MHz
F_IN = 150 MHz
F_IN = 225 MHz
F_IN = 300 MHz
0 dB gain, 2 V_PP FS
3 dB gain, 1.4 V_PP FS
0 dB gain, 2 V_PP FS
3 dB gain, 1.4 V_PP FS
0 dB gain, 2 V_PP FS
3 dB gain, 1.4 V_PP FS
0 dB gain, 2 V_PP FS
3 dB gain, 1.4 V_PP FS
0 dB gain, 2 V_PP FS
3 dB gain, 1.4 V_PP FS
0 dB gain, 2 V_PP FS
3 dB gain, 1.4 V_PP FS
0 dB gain, 2 V_PP FS
3 dB gain, 1.4 V_PP FS
0 dB gain, 2 V_PP FS
3 dB gain, 1.4 V_PP FS
MIN TYP MAX UNIT
74.3
71.5
74
73.4
72.8
71.3
69.8
70
69
1.1
90
77
85
85
84
75
78
72
75
74.1
70.5
73
72.8
72.2
69
68.9
67.8
67.5
91
77
90
90
88
76
79
73
75
90
77
85
85
84
75
78
72
75
dBFS
LSB
dBc
dBFS
dBc
dBc
(1) FS = Full scale range
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