參數(shù)資料
型號(hào): ZM407
元件分類: 參考電壓二極管
英文描述: Low Current Operation at 250 ,Low Reverse Leakage,Low Noise Zener Diode
中文描述: 250 的低電流運(yùn)算,低反向泄露,低噪聲穩(wěn)壓二極管
文件頁數(shù): 3/4頁
文件大?。?/td> 63K
代理商: ZM407
3
Pin Description
Pin
Name
IN/OU
T
Description
Pin
Name
IN/OUT
Description
Power Supply Connections
29
VDD
38
VDDA
Digital Outputs
8
31
Pos. supply voltage, digital
Pos. supply voltage, analog
PD
CPUCLK
O (ub)
O
Analog power-down
5 MHz clock (for proces-
sor)
RAM Write mode active
Trigger output
1.25 MHz clock
(Display data clock)
Display data serial
17
3
44
VSS
VSSA
AGND
Neg. supply voltage, digital
Neg. supply voltage, analog
Signal ground
30
36
32
WR_TEST
TRIG_OUT
DISP_CLK
O
O
O
Analog Inputs
43
42
41
33
Data I/Os
20
28...21
DISP_DATA O
A_IN
T_IN
Z_IN
I
I
I
Analog signal input
Trigger signal input
Zero-level input
PARITY
DIO_0...7
bid
bid
Bid. data pin (parity)
Bidirectional data inter-
face
Digital Inputs
1
2
Analog Outputs
6
5
OUT_10
OUT_100
I (puc)
I (puc)
Status 1 (10V area switch)
Status 2 (100V area switch)
REFT
REFB
O
O
Reference voltage (top)
Reference voltage
(bottom)
Internal base potential
10
9
34
35
19
SEL_AC
SEL_DC
N_MODE
TRIG_IN
EN_REC
I (pu)
I (pu)
I (pu)
I
I
Status 3 (AC operation)
Status 4 (DC operation)
Control 1 (operating mode)
Trigger input
Enable Record
4
External Components
12
XOUT
13
XIN
40
CF
VED
O
Crystal output
Qrystal input
Follower stage,
Connection to trim-C
Amplifier ,
Connection to trim-C
A/D converter
power bypass capacitor
18
LD_DISPL
I
Load Display
39
CZ
16
EXT_PWR
I
Control 2 (external power)
7
CW
15
BP_RAM
I
Bypass Ram Mode
Test Pins
11
14
TRESULT
TEST
O
I (pd)
Test mode output
Test mode input
pu = Internal Pull-Up
ub = Unbuffered output
puc = Internal Pull-Up Controlled
pd= Internal Pull-Down
Characteristics (Selection)
Maximum Ratings
General
Supply voltage (VDDA= VDD)
Oscillator frequency
Operating temperature
Current drain
Digital
Input H-level
Input L-level
Output H-level (2mA, pin32: 8mA))
Output L-level (-2mA, pin32 -8mA)
Analog Part
Input voltage
Input resistance
Input capacitance
A/D Converter
Resolution
Differential non-linearity
Integral non-linearity
Symbol
Min
Typ
Max
Unit
V
DD
f
q
T
I
S
4.75
5.0
5.25
20
70
100
V
MHz
o
C
mA
0
60
V
IH
V
IL
V
OH
V
OL
V
DD
-0.8
V
V
V
V
0.8
2.4
0.4
V
is
,V
it
R
is
,R
id
C
is
,C
it
-0.5
100
+ 0.5
V
M
pF
5
radc
DNL
INL
6
Bit
LSB
LSB
0.8
1
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