SPECIFICATIONS
All specifications TMIN to TMAX, AVDD = DVDD = +5V, fXIN = 1MHz, programmable gain amplifier setting of 1, Turbo Mode Rate of 1, REFOUT disabled, VBIAS disabled,
and external 2.5V reference, unless otherwise specified.
ADS1212U, P/ADS1213U, P, E
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ANALOG INPUT
Input Voltage Range(1)
0
–10
+5
+10
V
V
MΩ
(2)
With VBIAS
Input Impedance
Programmable Gain Amplifier
Input Capacitance
G = Gain, TMR = Turbo Mode Rate
User Programmable: 1, 2, 4, 8, or 16
20/(G • TMR)(3)
1
16
5
5
pF
pA
nA
Input Leakage Current
At +25°C
TMIN to TMAX
50
1
SYSTEMS PERFORMANCE
No Missing Codes
fDATA = 10Hz
fDATA = 60Hz
22
19
21
20
20
18
Bits
Bits
Bits
Bits
Bits
fDATA = 100Hz, TMR of 4
fDATA = 250Hz, TMR of 8
fDATA = 500Hz, TMR of 16
fDATA = 1000Hz, TMR of 16
fDATA = 60Hz
Bits
Integral Linearity
±0.0015
±0.0015
%FSR
%FSR
%FSR
fDATA = 1000Hz, TMR of 16
Integral Linearity (Single-Ended)
Unipolar Offset Error(4)
Unipolar Offset Drift(6)
Gain Error(4)
Gain Error Drift(6)
Common-Mode Rejection(9)
0.01
See Note 5
1
ppm/°C
See Note 5
4
100
ppm/°C
dB
dB
dB
dB
At DC, TMIN to TMAX
50Hz, fDATA = 50Hz(7)
60Hz, fDATA = 60Hz(7)
50Hz, fDATA = 50Hz(7)
60Hz, fDATA = 60Hz(7)
90
160
160
100
100
Normal-Mode Rejection
dB
Output Noise
See Typical Performance Curves
Power Supply Rejection
DC, 50Hz, and 60Hz
60
dB
VOLTAGE REFERENCE
Internal Reference (REFOUT
Drift
Noise
Load Current
Output Impedance
)
2.4
2.5
25
50
2.6
1
V
ppm/°C
µVp-p
mA
Source or Sink
2
Ω
External Reference (REFIN
Load Current
VBIAS Output
Drift
Load Current
)
2.0
3.0
2.5
3.45
V
µA
V
Using Internal Reference
Source or Sink
3.15
3.3
50
ppm/°C
10mA
DIGITAL INPUT/OUTPUT
Logic Family
TTL Compatible CMOS
Logic Level: (all except XIN
)
VIH
VIL
VOH
IIH = +5µA
IIL = +5µA
IOH = 2 TTL Loads
IOL = 2 TTL Loads
2.0
–0.3
2.4
DVDD +0.3
0.8
V
V
V
V
V
VOL
XIN Input Levels: VIH
VIL
XIN Frequency Range (fXIN
Output Data Rate (fDATA
0.4
DVDD +0.3
0.8
3.5
–0.3
0.5
0.96
0.48
2.4
V
)
2.5
MHz
Hz
Hz
Hz
)
User Programmable and TMR = 1 to 16
fXIN = 500kHz
6,250
3,125
15,625
fXIN = 2.5MHz
Data Format
User Programmable
Two’s Complement
or Offset Binary
SYSTEM CALIBRATION
Offset and Full-Scale Limits
VFS – | VOS
VFS = Full-Scale Differential Voltage(8) 0.7 • (2 • REFIN)/G
VOS = Offset Differential Voltage(8)
|
1.3 • (2 • REFIN)/G
ADS1212, 1213
2
SBAS064A
BB [ BURR-BROWN CORPORATION ]
