Datasheet
71M6543F/71M6543G Data Sheet   
142    v2 
Parameter 
Condition 
Min 
Typ 
Max 
Unit 
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. 
6.4.16  Pre-Amplifier for IADC0-IADC1 
Table 104: Pre-Amplifier Performance Specifications 
PARAMETER 
CONDITION 
MIN 
TYP 
MAX 
UNIT 
Differential Gain 
Vin=30mV differential 
Vin=15mV differential (see note 1) 
T
A
= 5⁰C, 
V3P3=3.3 V, 
PRE_E=1, 
FIR_LEN=2, 
DIFF0_E=1, 
2520Hz sample rate 
7.8 
7.8 
7.92 
7.92 
8.0 
8.0 
V/V 
V/V 
Gain Variation vs V3P3 
Vin=30mV differential (see note 1) 
V3P3 = 
2.97 V, 3.63 V 
-100    100 
ppm/% 
Gain Variation vs Temp 
Vin=30mV differential (see note 1) 
T
A
 = -40⁰C, 85⁰C 
10  -25  -80  ppm/C 
Phase Shift, 
Vin=30mV differential (see note 1) 
T
A
=25⁰C, 
V3P3=3.3 V 
-6    6  mº 
Preamp input current 
IADC0 
IADC1 
PRE_E=1, 
FIR_LEN=10, 
DIFF0_E=1 
2520Hz sample rate,  
IADC0=IADC1=V3P3 
4 
4 
9 
9 
16 
16 
uA 
uA 
Preamp+ADC THD 
Vin=30mV differential 
Vin=15mV differential 
T
A
=25⁰C, 
V3P3=3.3 V, 
PRE_E=1, 
FIR_LEN=2, 
DIFF0_E=1, 
2520Hz sample rate. 
-82 
-86 
dB 
dB 
Preamp Offset 
IADC0=IADC1=V3P3+30mV 
IADC0=IADC1= V3P3+15mV 
IADC0=IADC1= V3P3 
IADC0=IADC1= V3P3-15mV 
IADC0=IADC1= V3P3-30mV 
T
A
=25⁰C, 
V3P3=3.3 V, 
PRE_E=1, 
FIR_LEN=10, 
DIFF0_E=1, 
2520Hz sample rate 
-0.63
-0.57
-0.56
-0.56
-0.55 
mV 
mV 
mV 
mV 
mV 
Note: 
1.  Guaranteed by design; not production tested. 










