MAX14001 Datasheet, PDF (8/34 Pages) Maxim Integrated Products – Configurable, Isolated 10-bit ADCs for Multi-Range Binary Inputs

MAX14001/MAX14002
Configurable, Isolated 10-bit ADCs for
Multi-Range Binary Inputs
Typical Operating Characteristics (continued)
(V_DDL = V_DD = +3.3V, R_ISET = 120kΩ, isolated GNDF and GNDL, high-voltage FET is IXTY08N100D2, with T_A = +25°C unless
otherwise noted.)
INPUT BIAS CURRENT
vs. TEMPERATURE
53.5
toc09
53
52.5
52
51.5
51
50.5
50
CFG: IBIAS = '0000'
49.5
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
1.5
1.495
1.49
1.485
1.48
1.475
1.47
0
INPUT BIAS CURRENT
vs. INPUT VOLTAGE
toc10
CFG:IBIAS = '0110' (DEFAULT)
50 100 150 200 250 300
INPUT VOLTAGE (V)
INPUT BIAS CURRENT ERROR
6
toc11
4
T_A = -40°C
T_A = +25°C
2
0
-2
T_A = +125°C
-4
-6
0.25 0.75 1.25 1.75 2.25 2.75 3.25 3.75
INPUT BIAS CURRENT (mA)
INRUSH CURRENT ERROR
5
toc12
4
3
2
T_A = +125°C
1
0
-1
-2
T_A = +25°C
T_A = -40°C
-3
-4
-5
7 21 35 49 63 77 91 105
INRUSH CURRENT (mA)
INRUSH CURRENT vs. TIME
toc14
V_IN
5V/div
I_IINR
20mA/div
TINR = '0001' (8ms)
IINR = '0111' (49mA)
IBIAS = '0001' (0.25mA)
INRT = 0x021 (9.68V)
VOLTAGE MODE
1ms/div
INRUSH CURRENT vs. TIME
toc13
V_IN
5V/div
I_IINR
20mA/div
TINR = '0001' (8ms)
IINR = '0111' (49mA)
IBIAS = '0001' (0.25mA)
FAST MODE
1ms/div
INRUSH CURRENT vs. TIME
toc15
V_IN
100V/div
I_IINR
20mA/div
TINR = '0001' (8ms)
IINR = '0111' (49mA)
IBIAS = '0001' (0.25mA)
INRT = 0x1FE (149.56V)
VOLTAGE MODE
1ms/div
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