ADS8320 Datasheet, PDF (2/13 Pages) Burr-Brown (TI) – 16-Bit, High-Speed, 2.7V to 5V microPower Sampling ANALOG-TO-DIGITAL CONVERTER

SPECIFICATIONS: +V_CC = +5V
At –40°C to +85°C, V_REF = +5V,–IN = GND, f_SAMPLE = 100kHz, and f_CLK = 24 • f_SAMPLE, unless otherwise specified.
ADS8320E
ADS8320EB
PARAMETER
CONDITIONS
MIN
TYP MAX MIN
TYP MAX UNITS
RESOLUTION
16
T
Bits
ANALOG INPUT
Full-Scale Input Span
Absolute Input Range
Capacitance
Leakage Current
+In – (–In)
+In
–In
0
–0.1
–0.1
V_REF
T
V_CC + 0.1
T
+1.0
T
T
V
T
V
T
V
45
T
pF
1
T
nA
SYSTEM PERFORMANCE
No Missing Codes
Integral Linearity Error
Offset Error
Offset Temperature Drift
Gain Error
Gain Temperature Drift
Noise
Power Supply Rejection Ratio
SAMPLING DYNAMICS
Conversion Time
Acquisition Time
Throughput Rate
Clock Frequency Range
+4.7V < V_CC < 5.25V
14
15
Bits
±0.008 ±0.018
±0.006 ±0.012 % of FSR
±1
±2
±0.5
±1
mV
±3
T
µV/°C
±0.05
±0.024
%
±0.3
T
ppm/°C
20
T
µVrms
3
T
LSB⁽¹⁾
4.5
0.024
16
T
100
2.9
T
T Clk Cycles
Clk Cycles
T
kHz
T
MHz
DYNAMIC CHARACTERISTICS
Total Harmonic Distortion
V_IN = 5Vp-p at 10kHz
–84
SINAD
V_IN = 5Vp-p at 10kHz
82
Spurious Free Dynamic Range
V_IN = 5Vp-p at 10kHz
84
SNR
90
–86
dB
84
dB
86
dB
92
dB
REFERENCE INPUT
Voltage Range
Resistance
Current Drain
DIGITAL INPUT/OUTPUT
Logic Family
Logic Levels:
V_IH
V_IL
V_OH
V_OL
Data Format
CS = GND, f_SAMPLE = 0Hz
CS = V_CC
f_SAMPLE = 10kHz
CS = V_CC
I_IH = +5µA
I_IL = +5µA
I_OH = –250µA
I_OL = 250µA
0.5
V_CC
T
T
V
5
T
GΩ
5
T
GΩ
40
80
T
T
µA
0.8
T
µA
0.1
3
T
µA
CMOS
T
3.0
–0.3
V_CC + 0.3 T
0.8
T
T
V
T
V
4.0
T
V
0.4
T
V
Straight Binary
T
POWER SUPPLY REQUIREMENTS
V_CC
V_CC Range⁽²⁾
Quiescent Current
Power Dissipation
Power Down
TEMPERATURE RANGE
Specified Performance
Specified Performance
f_SAMPLE = 10kHz^{(3, 4)}
CS = V_CC
4.75
5.25
T
T
V
2.0
5.25
T
T
V
900 1700
T
T
µA
200
T
µA
4.5
8.5
T
T
mW
0.3
3
T
T
µA
–40
+85
T
T
°C
T Specifications same as ADS8320E.
NOTES: (1) LSB means Least Significant Bit. (2) See Typical Performance Curves for more information. (3) f_CLK = 2.4MHz, CS = V_CC for 216 clock cycles out
of every 240. (4) See the Power Dissipation section for more information regarding lower sample rates.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN
assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject
to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not
authorize or warrant any BURR-BROWN product for use in life support devices and/or systems.
®
ADS8320
2