MSC1202Y3RHHTG4 Datasheet, PDF (15/92 Pages) Texas Instruments –
Precision Analog-to-Digital Converter and Current-Output Digital-to-Analog Converter

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MSC1200
MSC1201
MSC1202
SBAS317E − APRIL 2004 − REVISED MAY 2006
TYPICAL CHARACTERISTICS: ALL DEVICES
AVDD = +5V, DVDD = +5V, fOSC = 8MHz, PGA = 1, fMOD = 15.625kHz, ADC Bipolar Mode, Buffer ON, and VREF ≡ (REF IN+) − (REF IN−) = +2.5V, unless
otherwise specified.
ADC INTEGRAL NONLINEARITY
vs INPUT VOLTAGE
15
AV_DD = 5V
10
V_REF = 2.5V
Buffer ON
−40_C
+25_ C
−55_ C
5
ADC INTEGRAL NONLINEARITY
vs INPUT VOLTAGE
15
AV_DD = 5V
10
V_REF = 2.5V
Buffer OFF
−40_C
+25_ C
5
0
0
+85_ C
−5
−5
−10
+85_C ^+125_C
−15
−2.5 −2.0 −1.5 −1.0 −0.5 0 0.5 1.0 1.5 2.0 2.5
ADC Input Voltage (V)
−10
−15
−2.5 −2.0 −1.5 −1.0 −0.5 0 0.5 1.0 1.5 2.0 2.5
ADC Input Voltage (V)
ADC INTEGRAL NONLINEARITY
vs INPUT SIGNAL
15
V_REF = AV_DD = 5V
Buffer OFF
10
5
0
−5
−10
−15
V_IN = −V_REF
0
V_IN (V)
V_IN = +V_REF
ADC INTEGRAL NONLINEARITY ERROR
vs PGA
50
45
AV_DD = 5V
V_REF = 2.5V
40
35
30
25
20
15
10
5
0
1
2
4
8
16
32
64 128
PGA Setting
ADC INTEGRAL NONLINEARITY
vs V_REF
30
V_IN = V_REF
Buffer OFF
25
20
15
AV_DD = 3V
10
AV_DD = 5V
5
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V_REF (V)
ADC OFFSET vs TEMPERATURE
(Offset Calibration at 25_ C Only)
15
AV_DD = 3V
10
5
AV_DD = 5V
0
−5
−10
−15
−60 −40 −20
0 20 40 60 80 100 120 140
Temperature (_C)
15