ADS7823 Datasheet, PDF (4/15 Pages) Burr-Brown (TI) – 12-Bit, Sampling A/D Converter with I2C INTERFACE

ELECTRICAL CHARACTERISTICS: +5V (Cont.)
At T_A = –40°C to +85°C, +V_DD = +5.0V, V_REF = +5.0V, SCL Clock Frequency = 3.4MHz (High Speed Mode) unless otherwise noted.
PARAMETER
DIGITAL INPUT/OUTPUT
Logic Family
Logic Levels: V_IH
V_IL
V_OL
Input Leakage: I
IH
I
IL
Data Format
ADS7823 HARDWARE ADDRESS
POWER SUPPLY REQUIREMENTS
Power Supply Voltage, +V_DD
Quiescent Current
Power Dissipation
Powerdown Mode
w/Wrong Address Selected
Full Powerdown
TEMPERATURE RANGE
Specified Performance
CONDITIONS
ADS7823E
MIN
TYP
MAX
ADS7823EB
MIN
TYP
At min 3mA Sink Current
CMOS
+V_DD • 0.7
–0.3
✻
+V_DD + 0.5
✻
+V_DD • 0.3
✻
0.4
V = +V +0.5
IH
DD
V = -0.3
IL
10
-10
✻
Straight
✻
Binary
10010
✻
Specified Performance
4.75
5
5.25
✻
High Speed Mode: SCL= 3.4MHz
0.72
1.0
✻
Fast Mode: SCL= 400kHz
380
✻
Standard Mode, SCL=100kHz
240
✻
High Speed Mode: SCL= 3.4MHz
3.6
5.0
✻
Fast Mode: SCL= 400kHz
1.9
✻
Standard Mode, SCL=100kHz
1.2
✻
High Speed Mode: SCL= 3.4MHz
346
✻
Fast Mode: SCL= 400kHz
136
✻
Standard Mode, SCL=100kHz
34
✻
SCL Pulled HIGH, SDA Pulled HIGH
3
3000
✻
–40
85
✻
✻ Specifications same as ADS7823E.
NOTES: (1) LSB means Least Significant Bit. With V_REF equal to 2.5V, 1LSB is 610µV. (2) THD measured out to the 9th-harmonic.
MAX
✻
✻
✻
✻
✻
✻
✻
✻
✻
PIN CONFIGURATION
PIN DESCRIPTIONS
Top View
MSOP
V_REF 1
A_IN 2
A0 3
GND 4
ADS7823
8 +V_DD
7 SCL
6 SDA
5 A1
TIMING DIAGRAM
PIN NAME DESCRIPTION
1
V_REF Reference Input, 2.5V Nominal
2
A_IN
Analog Input.
3
A0
Slave Address Bit 0
4
GND Ground
5
A1
Slave Address Bit 1
6
SDA Serial Data
7
SCL Serial Clock
8
+V_DD Power Supply, 3.3V Nominal
UNITS
V
V
V
µA
µA
Binary
V
mA
µA
µA
mW
mW
mW
µA
µA
µA
nA
°C
SDA
t_BUF
t_LOW
t_R
t_F
SCL
t_{HD; STA}
t_{HD; STA}
STOP START
t_{HD; DAT}
t_HIGH t_{SU; DAT}
t_{SU; STA}
REPEATED
START
4
t_SP
t_{SU; STO}
ADS7823
SBAS180B