5962-0924001VXC Datasheet, PDF (4/46 Pages) Texas Instruments – 12-Bit, 1-GSPS Analog-to-Digital Converter

ADS5400-SP
SLAS669C – SEPTEMBER 2010 – REVISED AUGUST 2012
www.ti.com
ELECTRICAL CHARACTERISTICS
Typical values at T_A = 25°C, minimum and maximum values over full temperature range T_C,MIN = –55°C to T_C,MAX = 125°C,
sampling rate = 1 GSPS, 50% clock duty cycle, AVDD5 = 5 V, AVDD3 = 3.3 V, DVDD3 = 3.3 V, –1-dBFS differential input,
and 1.5 V_PP differential clock (unless otherwise noted)
PARAMETER
TEST CONDITIONS/NOTES
MIN
TYP
MAX UNIT
ANALOG INPUTS
Full-scale differential input range
Programmable
V_CM
Common-mode input
Self-biased to AVDD5 / 2
R_IN
Input resistance, differential (dc)
C_IN
Input capacitance
Estimated to ground from each AIN pin,
excluding soldered package
1.52
AVDD5/2
100
4.3
2
V_PP
V
Ω
pF
CMRR Common-mode rejection ratio
Common mode signal = 125 MHz
40
dB
INTERNAL REFERENCE VOLTAGE
V_REF
Reference voltage
DYNAMIC ACCURACY
1.98
2
2.02
V
Resolution
No missing codes
12
Bits
DNL
INL
Differential linearity error
Integral non- linearity error
Offset error
f_IN = 125 MHz
f_IN = 125 MHz
default is trimmed near 0mV
-1
±0.4
-4.5
±1.5
–2.5
0
2.5
LSB
4.5
LSB
2.5
mV
Offset temperature coefficient
0.02
mV/°C
Gain error
±5
%FS
Gain temperature coefficient
POWER SUPPLY⁽¹⁾
0.03
%FS/°C
I_(AVDD5)
5-V analog supply current (Bus A and
B active)
5-V analog supply current (Bus A
active)
220
245
mA
225
255
mA
I_(AVDD3)
I_(DVDD3)
3.3-V analog supply current (Bus A
and B active)
3.3-V analog supply current (Bus A
active)
3.3-V digital supply current
(Bus A and B active)
3.3-V digital supply current
(Bus A active)
f_IN = 125 MHz,
f_S = 1 GSPS
205
234
mA
226
242
mA
136
154
mA
72
85
mA
Total power dissipation
(BUS A and B active)
2.2
2.5
W
Total power dissipation
(Bus A active)
2
2.3
W
Total power dissipation
ENPWD = logic High (sleep enabled)
13
50
mW
Wake-up time from sleep
1.8
ms
PSRR Power-supply rejection ratio
1MHz injected to each supply,
measured without external decoupling
50
dB
DYNAMIC AC CHARACTERISTICS
SNR
Signal-to-noise ratio
f_IN = 125 MHz
f_IN = 600 MHz
f_IN = 850 MHz
f_IN = 1200 MHz
f_IN = 1700 MHz
54
58.5
53.5
58.3
53
58
57.6
55.7
dBFS
(1) All power values assume LVDS output current is set to 3.5mA.
4
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