Rainbow Electronics MAX1403 - Manual (Page 4)

+3V, 18-Bit, Low-Power, Multichannel,
Oversampling (Sigma-Delta) ADC
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V+ = +2.7V to +3.6V, V DD = +2.7V to +3.6V, V REFIN+ = +1.25V, REFIN- = AGND, f CLKIN = 2.4576MHz, T A = T MIN to T MAX , unless
otherwise noted. Typical values are at T A = +25°C.)
MAX1403
V DD - 0.3
Compliance Voltage Range V AGND V+ - 1.0
Drift Match 5
Match ±1 OUT1 to OUT2
Drift 100
Initial Tolerance 15
Current I EXC 200
V DD - 0.3 DOUT and INT, I SOURCE = 100µA
Output High Voltage (Note 15) V OH
0.4 CLKOUT, I SINK = 10µA
Drift ±0.05
Initial Tolerance ±10
Current I BO 0.1
Input High Voltage V IH V
mV
V
V
V
ppm/°C
%
ppm/°C
%
uA
%/°C
%
µA
pF
µA
CLKIN only
All inputs except CLKIN
2.4
2
REFIN+ - REFIN- Voltage
(Note 14)
1.25 V
µA
V
±5% for specified performance; functional
with lower V
REF
Input Low Voltage V IL
0.4
Floating-State Leakage Current I L -10 10
Floating-State Output
Capacitance
C O
DOUT and INT, I
SINK
= 100µA
9
Output Low Voltage (Note 15) V OL
Input Hysteresis V HYS All inputs except CLKIN
CLKIN only
200
Input Current I IN -10 +10
All inputs except CLKIN
0.4
0.4
PARAMETER SYMBOL MIN TYP MAX UNITS
AIN and REFIN Input Sampling
Frequency
f S (Table 15) Hz
CONDITIONS
CLKOUT, I SOURCE = 10µA
TRANSDUCER EXCITATION CURRENTS
TRANSDUCER BURN-OUT (Note 16)
LOGIC INPUTS
LOGIC OUTPUTS
Power-Supply Rejection V+
(Note 17)
PSR (Note 18)
V DD Voltage V DD 2.7 3.6
V+ Voltage V+ 2.7 3.6 For specified performance
dB
V
V
POWER REQUIREMENTS