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參數(shù)資料
| 型號(hào)： | TDA9923AHW |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | ADC |
| 英文描述： | 4-CH 12-BIT RESISTANCE LADDER ADC, SERIAL ACCESS, PQFP48 |
| 封裝： | 7 X 7 MM, 1.00 MM HEIGHT, PLASTIC, MS-026, SOT545-3, QFP-48 |
| 文件頁數(shù)： | 18/20頁 |
| 文件大?。?/td> | 118K |
| 代理商： | TDA9923AHW |
9397 750 14207
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Objective data sheet
Rev. 01 — 6 February 2006
7 of 20
Philips Semiconductors
TDA9923A
Quad 12-bit, up to 40 Msample/s analog-to-digital converter
Digital inputs
Clock inputs: pins CLKI and CLKIN; see Figure 3
Ri(dif)
receiver differential input
resistance
[1] 10
-
k
Ci
input capacitance
-
4
-
pF
LVDS clock
Vi
input voltage
|Vgpd|<50mV
[2] 825
-
1575
mV
Vi(th)(dif)
differential threshold input
voltage
|Vgpd|<50mV
100
-
+100
mV
SLVS clock
Vi
input voltage
300
-
+1150
mV
Vi(th)(dif)
differential threshold input
voltage
100
-
+100
mV
Vix
cross-point input voltage
100
-
300
mV
Control inputs: pins STDBY, SST, SDAT and SCLK
VIL
LOW-level input voltage
0
-
0.8
V
VIH
HIGH-level input voltage
2.0
-
VCCA
V
Ii
input current
2.0
-
+2.0
A
Control inputs: pins SELDC1 and SELDC2
VIL
LOW-level input voltage
-
0.2VCCD V
VIH
HIGH-level input voltage
0.8VCCD --
V
ILI
input leakage current
-
<tbd>
A
Analog inputs
Input voltages: pins VInP and VInN
Vi(dif)(FS)(p-p)
full-scale differential input
voltage (peak-to-peak
value)
-
2.0
-
V
Vi(CM)
common mode input
voltage
<tbd>
0.5VCCA
<tbd>
V
Zi
input impedance
<tbd>
--
k
Ci
input capacitance
-
<tbd>
pF
Reference voltages: pins VRTn and VRBn
Vtop
top reference voltage
-
0.5VCCA + 0.5
-
V
Vbot
bottom reference voltage
-
0.5VCCA 0.5
-
V
Rlad
resistor ladder
one channel
-
2.1
-
k
Ilad
ladder current
one channel;
VVRT VVRB = 1.0 V
-
480
-
A
TCRlad
resistor ladder temperature
coefcient
-
330
-
m
/K
Table 6:
Characteristics…continued
VCCA = 3.0 V to 3.6 V; VCCD = 1.65 V to 1.95 V; VCCO = 0.75 V to 0.85 V; Tamb =0 °Cto70 °C; Vi(FS)(p-p) = 2 V; typical values
measured at VCCA = 3.3 V, VCCD = 1.8 V, VCCO = 0.8 V and Tamb =25 °C; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
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