AMC7812B Datasheet, PDF (6/92 Pages) TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS – 12-Bit Analog Monitoring and Control Solution with Multichannel ADC, DACs, and Temperature Sensors

AMC7812B
SBAS625A – SEPTEMBER 2013 – REVISED SEPTEMBER 2013
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ELECTRICAL CHARACTERISTICS (continued)
At T_A = –40°C to +105°C, AV_DD = DV_DD = 4.5 V to 5.5 V, AV_CC = +15 V, AGND = DGND = 0 V, IOV_DD = 2.7 V to 5.5 V,
internal 2.5-V reference, and the DAC output span = 0 V to 5 V, unless otherwise noted.
PARAMETER
TEST CONDITIONS
DIGITAL LOGIC: SDA, SCL (I²C-Compatible Interface)
V_IH
Input high voltage
V_IL
Input low voltage
Input current
IOV_DD = +5 V
T_A = –40°C to +125°C, IOV_DD = +3.3 V
IOV_DD = +5 V
T_A = –40°C to +125°C, IOV_DD = +3.3 V
Input capacitance
V_OL
Output low voltage
IOV_DD = +5 V, sinking 3 mA
T_A = –40°C to +125°C, IOV_DD = +3.3 V,
sinking 3 mA
High-impedance leakage
High-impedance output capacitance
TIMING REQUIREMENTS
Power-on delay
From AV_DD , DV_DD ≥ 2.7 V and AV_CC ≥ 4.5 V to
normal operation
Power-down recovery time
From CS rising edge
Reset delay
Delay to normal operation from any reset
Convert pulse width
Reset pulse width
POWER-SUPPLY REQUIREMENTS
AV_DD
AI_DD
IV_CC
Power dissipation
DV_DD
IOV_DD
TEMPERATURE RANGE
AV_DD must be ≥ (V_REF + 1.2 V)
T_A = –40°C to +125°C, AV_DD and DV_DD combined,
normal operation, no DAC load
AV_CC
AV_CC, no load, DACs at code 800h
T_A = –40°C to +125°C, normal operation⁽⁹⁾,
AV_DD = DV_DD = 5 V, AV_CC = 15 V
Specified performance
Operating range
MIN
2.1
2.2
–0.3
–0.3
0
0
20
20
+2.7
+4.5
+2.7
+2.7
–40
–40
TYP
MAX UNIT
0.3 + IOV_DD
V
0.3 + IOV_DD
V
0.8
V
0.7
V
±5
µA
5
pF
0.4
V
0.4
V
±5
µA
10
pF
100
250
µs
70
µs
100
250
µs
ns
ns
+5.5
V
7.9
12.5
mA
1.6
mA
+18
V
6.5
mA
95
120 mW
+5.5
V
+5.5
V
+105
°C
+125
°C
(9) No DAC load, all DACs at 800h and both ADCs at the fastest auto conversion rate.
6
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