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71M6545/71M6545H Data Sheet
Note:
1. Guaranteed by design; not production tested.
2. Unless stated otherwise, the following test conditions apply to all the parameters provided in
this table: FIR_LEN[1:0] =1, VREF_DIS =0, PLL_FAST =1, ADC_DIV =0, MUX_DIV =6, LSB values
do not include the 9-bit left shift at CE input.
6.4.13 Pre-Amplifier for IADC0-IADC1
Table 92: Pre-Amplifier Performance Specifications
Differential Gain
PRE_E =1,
FIR_LEN =2,
DIFF0_E =1,
T A = -40 ? C, 85 ? C
Preamp+ADC THD
PRE_E =1,
FIR_LEN =2,
DIFF0_E =1,
PARAMETER CONDITION
T A = 5 ? C,
V3P3=3.3 V,
Vin=30mV differential
Vin=15mV differential (see note 1)
2520Hz sample rate
Gain Variation vs V3P3 V3P3 =
Vin=30mV differential (see note 1) 2.97 V, 3.63 V
Gain Variation vs Temp
Vin=30mV differential (see note 1)
Phase Shift, T A =25 ? C,
Vin=30mV differential (see note 1) V3P3=3.3 V
PRE_E =1,
Preamp input current FIR_LEN =10,
IADC0 DIFF0_E =1
IADC1 2520Hz sample rate,
IADC0=IADC1=V3P3
T A =25 ? C,
V3P3=3.3 V,
Vin=30mV differential
Vin=15mV differential
2520Hz sample rate.
Preamp Offset T A =25 ? C,
IADC0=IADC1=V3P3+30mV V3P3=3.3 V,
IADC0=IADC1= V3P3+15mV PRE_E =1,
IADC0=IADC1= V3P3 FIR_LEN =10,
IADC0=IADC1= V3P3-15mV DIFF0_E =1,
IADC0=IADC1= V3P3-30mV 2520Hz sample rate
Note:
1. Guaranteed by design; not production tested.
MIN
7.8
7.8
-100
10
-6
4
4
TYP
7.92
7.92
-25
9
9
-82
-86
-0.63
-0.57
-0.56
-0.56
-0.55
MAX
8.0
8.0
100
-80
6
16
16
UNIT
V/V
V/V
ppm/%
ppm/C
mo
uA
uA
dB
dB
mV
mV
mV
mV
mV
122
v2
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