AMC7812B_15 Datasheet, PDF (27/92 Pages) Texas Instruments – 12-Bit Analog Monitoring and Control Solution with Multichannel ADC, DACs, and Temperature Sensors

AMC7812B
www.ti.com
2.505
2.503
SBAS625A – SEPTEMBER 2013 – REVISED SEPTEMBER 2013
TYPICAL CHARACTERISTICS: INTERNAL REFERENCE
At +25°C, unless otherwise noted.
10 Units
2.501
2.5005
2.501
2.5
2.499
2.497
2.495
−40 −25 −10 5 20 35 50 65 80 95 110 125
T_A (°C )
Figure 69. OUTPUT VOLTAGE vs TEMPERATURE
2.4995
T_A = +25°C
2.499
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
AV_DD (V)
Figure 70. OUTPUT VOLTAGE vs SUPPLY
2.505
2.503
50
T_A = -40°C to +105°C
30 Units
40
2.501
30
2.499
20
2.497
T_A = +25°C
2.495
−10 −8 −6 −4 −2 0 2 4 6 8 10
I_LOAD (mA)
Figure 71. OUTPUT VOLTAGE vs OUTPUT CURRENT
1000
800
T_A = +25°C
Gain = 2
V_REF = 2.5V, Internal
600
400
200
0
100
1k
10k
100k
1M
Frequency (Hz)
Figure 73. INTERNAL REFERENCE NOISE vs FREQUENCY
10
0
Temperature Drift (ppm/°C ⁾
Figure 72. OUTPUT VOLTAGE DRIFT
20
T_A = +25°C
15
10
5
0
−5
−10
−15
−20
0
4
8
12
16
20
Time (s)
Figure 74. INTERNAL REFERENCE NOISE (0.1 Hz to 10 Hz)
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