Rainbow Electronics 71M6542G - Manual (Page 150)

150 © 2008–2011 Teridian Semiconductor Corporation v1.1
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 IAP-IAN
Table 111: Pre-Amplifier Performance Specifications
PARAMETER CONDITION MIN TYP MAX UNIT
Differential Gain
Vin=30mV differential
Vin=15mV differential (see note 1)
T
A
= +25
⁰C,
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
= -40
⁰C, 85⁰C
10 -25 -80 ppm/C
Phase Shift,
Vin=30mV differential (see note 1) T
A
=25
⁰C,
V3P3=3.3 V
-6 6 mº
Preamp input current
IADC0
IADC1
PRE_E=1,
FIR_LEN=2,
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
=25
⁰C,
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
=25
⁰C,
V3P3=3.3 V,
PRE_E=1,
FIR_LEN=2,
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.