ELECTRICAL CHARACTERISTICS: +2.7V (Cont.)
At TA = –40°C to +85°C, +VDD = +2.7V, VREF = +2.5V, SCL Clock Frequency = 3.4MHz (High Speed Mode) unless otherwise noted.
ADS7823E
TYP
ADS7823EB
TYP
PARAMETER
CONDITIONS
MIN
MAX
MIN
MAX
UNITS
DIGITAL INPUT/OUTPUT
Logic Family
CMOS
ꢀ
Logic Levels: VIH
+VDD • 0.7
–0.3
+VDD + 0.5
+VDD • 0.3
0.4
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
V
V
V
µA
µA
VIL
VOL
At min 3mA Sink Current
VIH = +VDD +0.5
VIL = -0.3
Input Leakage: IIH
IIL
10
-10
ꢀ
Data Format
Straight
Binary
ꢀ
ꢀ
ADS7823 HARDWARE ADDRESS
10010
Binary
POWER SUPPLY REQUIREMENTS
Power Supply Voltage, +VDD
Quiescent Current
Specified Performance
High Speed Mode: SCL = 3.4MHz
Fast Mode: SCL = 400kHz
Standard Mode, SCL = 100kHz
High Speed Mode: SCL = 3.4MHz
Fast Mode: SCL = 400kHz
Standard Mode, SCL = 100kHz
High Speed Mode: SCL = 3.4MHz
Fast Mode: SCL = 400kHz
Standard Mode, SCL = 100kHz
SCL Pulled HIGH, SDA Pulled HIGH
2.7
3.6
370
ꢀ
ꢀ
ꢀ
V
250
137
109
680
370
290
60
23
5.4
2
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
µA
µA
µA
µW
µW
µW
µA
µA
µA
nA
Power Dissipation
1000
ꢀ
Powerdown Mode
w/Wrong Address Selected
Full Powerdown
3000
85
ꢀ
ꢀ
TEMPERATURE RANGE
Specified Performance
–40
ꢀ
°C
ꢀ Specifications same as ADS7823E.
NOTES: (1) LSB means Least Significant Bit. With VREF equal to 2.5V, 1LSB is 610µV. (2) THD measured out to the 9th-harmonic.
ELECTRICAL CHARACTERISTICS: +5V
At TA = –40°C to +85°C, +VDD = +5.0V, VREF = +5.0V, SCL Clock Frequency = 3.4MHz (High Speed Mode) unless otherwise noted.
ADS7823E
TYP
ADS7823EB
TYP
PARAMETER
RESOLUTION
CONDITIONS
MIN
MAX
MIN
MAX
UNITS
12
ꢀ
Bits
ANALOG INPUT
Full-Scale Input Range
Input Capacitance
Input Leakage Current
0
VREF
ꢀ
ꢀ
V
pF
µA
25
±1
ꢀ
ꢀ
SYSTEM PERFORMANCE
No Missing Codes
Integral Linearity Error
Differential Linearity Error
Offset Error
Gain Error
Noise
Power Supply Rejection
12
ꢀ
Bits
LSB(1)
LSB
LSB
LSB
±1.0
–0.5, +1.0
±1.0
±1.0
33
±2
–1, +3
±4
±0.5
±0.5
±0.75
±0.75
ꢀ
±1
ꢀ
±3
±3
±4
µVrms
dB
82
ꢀ
SAMPLING DYNAMICS
Throughput Frequency
High Speed Mode: SCL = 3.4MHz
Fast Mode: SCL = 400kHz
Standard Mode, SCL = 100kHz
50
8
2
ꢀ
ꢀ
ꢀ
kHz
kHz
kHz
µs
Conversion Time
8
ꢀ
AC ACCURACY
Total Harmonic Distortion
Signal-to-Ratio
Signal-to-(Noise+Distortion) Ratio
Spurious Free Dynamic Range
V
IN = 2.5VPP at 10kHz
–82
72
71
ꢀ
ꢀ
ꢀ
ꢀ
dB(2)
dB
dB
VIN = 2.5VPP at 10kHz
V
V
IN = 2.5VPP at 10kHz
IN = 2.5VPP at 10kHz
86
dB
VOLTAGE REFERENCE INPUT
Range
0.05
VDD
ꢀ
ꢀ
V
Resistance
Current Drain
All Modes
1.0
20
ꢀ
ꢀ
GΩ
µA
At Code 800H, HS Mode: SCL = 3.4MHz
ADS7823
SBAS180B
3
BB [ BURR-BROWN CORPORATION ]
