12-Bit A/D Converter (Adc12A) Characteristics - Epson S1C17M20 Technical Manual

RFC reference/sensor oscillation frequency-
temperature characteristic
R /R = 100 kW, C = 1,000 pF, Typ. value
REF SEN REF
20
18
16
14
12
10
8
6
4
2
0
-50 -25 0

21.13 12-bit A/D Converter (ADC12A) Characteristics

Unless otherwise specified: V
DD
ADC12_nTRG.SMPCLK[2:0] bits = 0x3 (7cycles)
Item
VREFAn voltage range V
A/D conversion clock f
CLK_ADC12A
frequency
Sampling rate f
*1
SMP
Integral nonlinearity INL
*2
Differential nonlinearity DNL
Zero-scale error ZSE
Full-scale error FSE
Analog input resistance R
Analog input capacitance C
A/D converter circuit I
ADC
current
*1 The Max. value is the value when the A/D conversion clock frequency f
*2 Integral nonlinearity is measured at the end point line.
*3 The error will be increased according to the potential difference between V
S1C17M20/M21/M22/M23/M24/M25
TECHNICAL MANUAL (Rev. 1.0)
V = 5.5 V
DD
3.6 V
1.8 V
25 50 75 100
Ta [°C]
= 1.8 to 5.5 V, VREFAn = 1.8 to 5.5 V, V
Symbol Condition
REFA
V = VREFAn
*3
DD
V = VREFAn
*3
DD
V = VREFAn
*3
DD
V = VREFAn
*3
DD
ADIN
ADIN
ADC12_nCFG.VRANGE[1:0] bits = 0x3,
V = V , ADIN = V
DD REFA
Ta = 25°C
ADC12_nCFG.VRANGE[1:0] bits = 0x2,
V = V , ADIN = V
DD REFA
Ta = 25°C
ADC12_nCFG.VRANGE[1:0] bits = 0x1,
V = V , ADIN = V
DD REFA
Ta = 25°C
Seiko Epson Corporation
21 ELECTRICAL CHARACTERISTICS
RFC reference/sensor oscillation current
consumption-frequency characteristic
C = 1,000 pF, Ta = 25°C, Typ. value
REF
1,600
1,400
1,200
1,000
800
600
400
200
0
1
= 0 V, Ta = -40 to 85°C,
SS
V
3.6 V
/2, f = 100 ksps,
REFA SMP
4.8 V
/2, f = 100 ksps,
REFA SMP
5.5 V
/2, f = 100 ksps,
REFA SMP
= 2,000 kHz.
CLK_ADC12A
and VREFAn.
DD
V = 5.5 V
DD
10 100
f [kHz]
RFCLK
Min. Typ. Max.
DD
1.8 – V
DD
16 – 2,200
– – 100
– –
±3
– –
±3
– –
±5
– –
±5
– – 4
– – 30
– 380 670
– 230 390
– 210 350
3.6 V
1.8 V
1,000
Unit
V
kHz
ksps
LSB
LSB
LSB
LSB
kW
pF
µA
µA
µA
21-13